\n\n\n\n\n\n\n\n\n\n
\u547d\u4ee4\u53c2\u6570<\/th>\n \u8bf4\u660e<\/th>\n<\/tr>\n<\/thead>\n
-d<\/td>\n \u4ee5\u5b88\u62a4\u8fdb\u7a0b\uff08daemon\uff09\u65b9\u5f0f\u8fd0\u884c\u670d\u52a1<\/td>\n<\/tr>\n
-u<\/td>\n \u6307\u5b9a\u8fd0\u884cMemcached\u7684\u7528\u6237\uff0c\u5982\u679c\u5f53\u524d\u7528\u6237\u4e3aroot\uff0c\u9700\u8981\u4f7f\u7528\u6b64\u53c2\u6570\u6307\u5b9a\u7528\u6237<\/td>\n<\/tr>\n
-l<\/td>\n \u6307\u5b9aMemcached\u8fdb\u7a0b\u76d1\u542c\u7684\u670d\u52a1\u5668IP\u5730\u5740\uff0c\u53ef\u4ee5\u4e0d\u8bbe\u7f6e\u6b64\u53c2\u6570<\/td>\n<\/tr>\n
-p\uff08\u5c0f\u5199\uff09<\/td>\n \u6307\u5b9aMemcached\u670d\u52a1\u76d1\u542cTCP\u7aef\u53e3\u53f7\u3002\u9ed8\u8ba4\u4e3a11211<\/td>\n<\/tr>\n
-P\uff08\u5927\u5199\uff09<\/td>\n
\u8bbe\u7f6e\u4fdd\u5b58Memcached\u7684pid\u6587\u4ef6\uff08$$\uff09,\u4fdd\u5b58PID\u5230\u6307\u5b9a\u6587\u4ef6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\u5185\u5b58\u76f8\u5173\u8bbe\u7f6e\uff1a<\/p>\n
\n\n\n\n\n\n\n\n\n\n
\u547d\u4ee4\u53c2\u6570<\/th>\n \u8bf4\u660e<\/th>\n<\/tr>\n<\/thead>\n
-m<\/td>\n \u6307\u5b9aMemcached\u670d\u52a1\u53ef\u4ee5\u7f13\u5b58\u6570\u636e\u7684\u6700\u5927\u5185\u5b58\uff0c\u9ed8\u8ba4\u4e3a64MB<\/td>\n<\/tr>\n
-M<\/td>\n Memcached\u670d\u52a1\u5185\u5b58\u4e0d\u591f\u65f6\u7981\u6b62LRU\uff0c\u5982\u679c\u5185\u5b58\u6ee1\u4e86\u4f1a\u62a5\u9519<\/td>\n<\/tr>\n
-n<\/td>\n \u4e3akey+value\u2014\u2014flags\u5206\u914d\u7684\u6700\u5c0f\u5185\u5b58\u7a7a\u95f4\uff0c\u9ed8\u8ba4\u4e3a48\u5b57\u8282<\/td>\n<\/tr>\n
-f<\/td>\n chunk size\u589e\u957f\u56e0\u5b50\uff0c\u9ed8\u8ba4\u4e3a1.25<\/td>\n<\/tr>\n
-L<\/td>\n
\u542f\u7528\u5927\u5185\u5b58\u9875\uff0c\u53ef\u4ee5\u964d\u4f4e\u5185\u5b58\u6d6a\u8d39\uff0c\u6539\u8fdb\u6027\u80fd<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\u5e76\u53d1\u8fde\u63a5\u8bbe\u7f6e\uff1a<\/p>\n
\n\n\n\n\n\n\n\n\n
\u5e76\u53d1\u8fde\u63a5\u8bbe\u7f6e<\/th>\n \u8bf4\u660e<\/th>\n<\/tr>\n<\/thead>\n
-c<\/td>\n \u6700\u5927\u7684\u5e76\u53d1\u8fde\u63a5\u6570\uff0c\u9ed8\u8ba4\u662f1024<\/td>\n<\/tr>\n
-t<\/td>\n \u7ebf\u7a0b\u6570\uff0c\u9ed8\u8ba44.\u7531\u4e8eMemcached\u91c7\u7528\u7684\u662fNIO\uff0c\u6240\u4ee5\u592a\u591a\u7ebf\u7a0b\u4f5c\u7528\u4e0d\u5927<\/td>\n<\/tr>\n
-R<\/td>\n \u6bcf\u4e2aevent\u6700\u5927\u8bf7\u6c42\u6570\uff0c\u9ed8\u8ba4\u662f20<\/td>\n<\/tr>\n
-C<\/td>\n
\u7981\u7528CAS\uff08\u53ef\u4ee5\u7981\u6b62\u7248\u672c\u8ba1\u6570\uff0c\u51cf\u5c11\u5f00\u9500\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\u6d4b\u8bd5\u53c2\u6570\uff1a<\/p>\n
\n\n\n\n\n\n\n
-v<\/th>\n \u6253\u5370\u8f83\u5c11\u7684errors\/warnings<\/th>\n<\/tr>\n<\/thead>\n
-vv<\/td>\n \u6253\u5370\u975e\u5e38\u591a\u8c03\u8bd5\u4fe1\u606f\u548c\u9519\u8bef\u8f93\u51fa\u5230\u63a7\u5236\u53f0<\/td>\n<\/tr>\n
-vvv<\/td>\n
\u6253\u5370\u6781\u591a\u7684\u8c03\u8bd5\u4fe1\u606f\u548c\u9519\u8bef\u8f93\u51fa\uff0c\u4e5f\u6253\u5370\u5185\u90e8\u72b6\u6001\u8f6c\u53d8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\u5176\u4ed6\u9009\u9879\u53ef\u901a\u8fc7\u201cmemcached -h\u201d\u547d\u4ee4\u6765\u663e\u793a\u3002<\/p>\n
\u5411Memcached\u4e2d\u5199\u5165\u6570\u636e\u5e76\u68c0\u67e5
\n3.1 Memcached\u4e2d\u7684\u6570\u636e\u5f62\u5f0f\u53ca\u4e0eMySQL\u76f8\u5173\u8bed\u53e5\u5bf9\u6bd4
\n\u5411Memcached\u4e2d\u6dfb\u52a0\u6570\u636e\u65f6\uff0c\u6ce8\u610f\u6dfb\u52a0\u7684\u6570\u636e\u4e00\u822c\u4e3a\u952e\u503c\u5bf9\u7684\u5f62\u5f0f\uff0c\u4f8b\u5982\uff1akey1\u2013>values1,key2\u2013>values2<\/li>\n<\/ol>\n
\u8fd9\u91cc\u628aMemcached\u6dfb\u52a0\uff0c\u67e5\u8be2\uff0c\u5220\u9664\u7b49\u7684\u547d\u4ee4\u548cMySQL\u6570\u636e\u5e93\u505a\u4e00\u4e2a\u57fa\u672c\u7c7b\u6bd4\uff0c\u89c1\u4e0b\u8868\uff1a<\/p>\n
\n\n\n\n\n\n\n\n
MySQL\u6570\u636e\u5e93\u7ba1\u7406<\/th>\n Memcached\u7ba1\u7406<\/th>\n<\/tr>\n<\/thead>\n
MySQL\u7684insert\u8bed\u53e5<\/td>\n Memcached\u7684set\u547d\u4ee4<\/td>\n<\/tr>\n
MySQL\u7684select\u8bed\u53e5<\/td>\n Memcached\u7684get\u547d\u4ee4<\/td>\n<\/tr>\n
MySQL\u7684delete\u8bed\u53e5<\/td>\n
Memcached\u7684delete\u547d\u4ee4<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
3.2 \u5411Memcached\u4e2d\u5199\u5165\u6570\u636e\u5b9e\u8df5(\u6570\u636e\u6765\u81ea\u4e8e\u5f00\u53d1\u4eba\u5458)<\/p>\n
\uff081\uff09\u901a\u8fc7printf\u914d\u5408nc\u5411Memcached\u4e2d\u5199\u5165\u6570\u636e\uff0c\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n
[root@localhost ~]# printf \"set key1 0 0 5\\r\\nbenet\\r\\n\" | nc 127.0.0.1 11211\r\nSTORED #\u51fa\u73b0STORED\u8868\u793a\u6210\u529f\u6dfb\u52a0key1\u53ca\u5bf9\u5e94\u7684\u6570\u636e\r\n\r\n<\/code>#\u5982\u679cset\u547d\u4ee4\u7684\u5b57\u8282\u662f6\uff0c\u90a3\u4e48\u540e\u9762\u5c31\u89816\u4e2a\u5b57\u7b26\uff08\u5b57\u8282\uff09\u3002\u5426\u5219\u63d2\u5165\u6570\u636e\u5c31\u4f1a\u4e0d\u6210\u529f\u3002\u793a\u4f8b\u5982\u4e0b\uff1a [root@localhost ~]# printf \"set key1 0 0 4\\r\\nbenet\\r\\n\" | nc 127.0.0.1 11211\r\nCLIENT_ERROR bad data chunk\r\nERROR \r\n\r\n<\/code>#\u901a\u8fc7printf\u914d\u7f6enc\u4eceMemcached\u4e2d\u8bfb\u53d6\u6570\u636e\uff0c\u547d\u4ee4\u5982\u4e0b\uff1a \r\n[root@localhost ~]# printf \"get key1\\r\\n\" | nc 127.0.0.1 11211\r\nVALUE key1 0 5\r\nbenet #\u8fd9\u5c31\u662f\u8bfb\u53d6\u5230\u7684key1\u5bf9\u5e94\u989d\u503c\r\nEND\r\n\r\n<\/code>#\u901a\u8fc7printf\u914d\u5408nc\u4eceMemcached\u4e2d\u5220\u9664\u6570\u636e\uff0c\u547d\u4ee4\u5982\u4e0b\uff1a\r\n[root@localhost ~]# printf \"delete key1\\r\\n\" | nc 127.0.0.1 11211\r\nDELETED\r\n[root@localhost ~]# printf \"get key1\\r\\n\" | nc 127.0.0.1 11211\r\nEND\r\n\r\n<\/code><\/pre>\n\n<\/li>\n<\/ul>\n\u63d0\u793a\uff1a
\n\u63a8\u8350\u4f7f\u7528\u4e0a\u8ff0\u65b9\u6cd5\u6d4b\u8bd5\u64cd\u4f5cMemcached
\n\uff082\uff09\u901a\u8fc7telnet\u547d\u4ee4\u5199\u5165\u6570\u636e\u65f6\uff0c\u5177\u4f53\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n
#\u5b89\u88c5telnet\u5de5\u5177\r\n[root@localhost ~]# yum -y install telnet\r\n\r\n<\/code>#\u901a\u8fc7telnet\u5411Memcached\u4e2d\u5199\u5165\u6570\u636e\r\n[root@localhost ~]# which telnet\r\n\/usr\/bin\/telnet\r\n[root@localhost ~]# telnet 127.0.0.1 11211\r\nTrying 127.0.0.1...\r\nConnected to 127.0.0.1.\r\nEscape character is '^]'.\r\nset user01 0 0 7 #\u5199\u5165\u6570\u636e\uff0c7\u8868\u793a\u6570\u636e\u7684\u5927\u5c0f\r\nwelcome\r\nSTORED\r\nget user01 #\u6d4f\u89c8\u6570\u636e\uff0cuser01\u4e3a\u952e\uff0c\u503c\u7684\u5b57\u6bcd\u4e2a\u6570\u4e3a7\uff08welcome\uff09\r\nVALUE user01 0 7\r\nwelcome\r\nEND\r\ndelete user01 #\u5220\u9664\u6570\u636e\r\nDELETED\r\nget user01 #\u518d\u6d4f\u89c8\u6570\u636e\uff0c\u6570\u636e\u88ab\u5220\u9664 \r\nEND \r\nquit #\u9000\u51fa\r\nConnection closed by foreign host.\r\n[root@localhost ~]# \r\n\r\n<\/code><\/pre>\n\n<\/li>\n<\/ul>\n4\u3002 \u64cd\u4f5cMemcached\u76f8\u5173\u547d\u4ee4\u7684\u8bed\u6cd5<\/p>\n
\u4ee5\u4e0b\u4e3a\u64cd\u4f5cMemcached\u7684\u76f8\u5173\u547d\u4ee4\u57fa\u672c\u8bed\u6cd5\uff1a<\/p>\n
 set key1 0 0 6 \\r\\n benet \\r\\n\r\n<command name><key><flags><exptime><bytes><datablock><string><datablock>\r\nSTORED\r\n<status>\r\n<\/code><\/pre>\n\n<\/li>\n<\/ul>\n\u4e0b\u8868\u4e3a\u64cd\u4f5cMemcached\u76f8\u5173\u547d\u4ee4\u7684\u8be6\u7ec6\u8bf4\u660e\uff1a<\/p>\n
<\/p>\n
\n\u5173\u95edMemcached<\/li>\n<\/ol>\n\u5355\u5b9e\u4f8b\u5173\u95edMemcached\u7684\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n
[root@localhost ~]# ps -ef | grep memcached | grep -v grep\r\nroot 1354 1 0 11:32 ? 00:00:00 memcached -m 16m -p 11211 -d -u root -c 8192\r\nroot 1366 1 0 11:32 ? 00:00:00 memcached -m 16m -p 11212 -d -u root -c 8192\r\n[root@localhost ~]# killall memcached\u6216pkill memcached\r\n[root@localhost ~]# netstat -antup | grep 11211\r\n\r\n<\/code><\/pre>\n\n<\/li>\n<\/ul>\n\u82e5\u542f\u52a8\u4e86\u591a\u4e2a\u5b9e\u4f8bMemcached\uff0c\u4f7f\u7528killall\u6216pkill\u65b9\u5f0f\u5c31\u4f1a\u540c\u65f6\u5173\u95ed\u8fd9\u4e9b\u5b9e\u4f8b\uff01\u56e0\u6b64\u6700\u597d\u5728\u542f\u52a8\u65f6\u589e\u52a0-P\u53c2\u6570\u6307\u5b9a\u56fa\u5b9a\u7684pid\u6587\u4ef6\uff0c\u8fd9\u6837\u4fbf\u4e8e\u7ba1\u7406\u4e0d\u540c\u7684\u5b9e\u4f8b\u3002\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n
[root@localhost ~]# memcached -m 16m -p 11211 -d -u root -c 8192 -P \/var\/run\/11211.pid\r\n[root@localhost ~]# memcached -m 16m -p 11212 -d -u root -c 8192 -P \/var\/run\/11212.pid\r\n[root@localhost ~]# ps -ef | grep memcached | grep -v grep\r\nroot 1511 1 0 12:05 ? 00:00:00 memcached -m 16m -p 11211 -d -u root -c 8192 -P \/var\/run\/11211.pid\r\nroot 1518 1 0 12:05 ? 00:00:00 memcached -m 16m -p 11212 -d -u root -c 8192 -P \/var\/run\/11212.pid\r\n\r\n<\/code>#\u6b64\u65f6\uff0c\u5373\u53ef\u901a\u8fc7kill\u547d\u4ee4\u5173\u95edMemcached\r\n[root@localhost ~]# kill cat \/var\/run\/11211.pid<\/code> [root@localhost ~]# netstat -antup | grep 11211 [root@localhost ~]# netstat -antup | grep 11212 tcp 0 0 0.0.0.0:11212 0.0.0.0:* LISTEN 1518\/memcached tcp6 0 0 :::11212 :::* LISTEN 1518\/memcached udp 0 0 0.0.0.0:11212 0.0.0.0:* 1518\/memcached udp6 0 0 :::11212 :::* 1518\/memcached <\/code><\/pre>\n\n<\/li>\n<\/ul>\n\n\u4f01\u4e1a\u5de5\u4f5c\u573a\u666f\u4e2d\u5982\u4f55\u914d\u7f6eMemcached\n \u5728\u4f01\u4e1a\u5b9e\u9645\u5de5\u4f5c\u4e2d\uff0c\u4e00\u822c\u662f\u5f00\u53d1\u4eba\u5458\u63d0\u51fa\u9700\u6c42\uff0c\u8bf4\u8981\u90e8\u7f72\u4e00\u4e2aMemcached\u6570\u636e\u7f13\u5b58\u3002\u8fd0\u7ef4\u4eba\u5458\u5728\u63a5\u5230\u8fd9\u4e2a\u4e0d\u786e\u5b9a\u7684\u9700\u6c42\u540e\uff0c\u9700\u8981\u548c\u5f00\u53d1\u4eba\u5458\u6df1\u5165\u6c9f\u901a\uff0c\u8fdb\u800c\u786e\u5b9a\u8981\u5c06\u5185\u5b58\u6307\u5b9a\u4e3a\u591a\u5927\uff0c\u6216\u8005\u548c\u5f00\u53d1\u4eba\u5458\u5546\u91cf\u5982\u4f55\u6839\u636e\u5177\u4f53\u4e1a\u52a1\u6765\u6307\u5b9a\u5185\u5b58\u7f13\u5b58\u7684\u5927\u5c0f\u3002\u6b64\u5916\uff0c\u8fd8\u8981\u786e\u5b9a\u4e1a\u52a1\u7684\u91cd\u8981\u6027\uff0c\u8fdb\u800c\u51b3\u5b9a\u662f\u5426\u91c7\u53d6\u8d1f\u8f7d\u5747\u8861\uff0c\u5206\u5e03\u5f0f\u7f13\u5b58\u96c6\u7fa4\u7b49\u67b6\u6784\uff0c\u6700\u540e\u786e\u5b9a\u8981\u4f7f\u7528\u591a\u5927\u7684\u5e76\u53d1\u8fde\u63a5\u6570\u7b49\u3002\r\n \u5bf9\u4e8e\u8fd0\u7ef4\u4eba\u5458\uff0c\u90e8\u7f72Memcached\u4e00\u822c\u5c31\u662f\u5b89\u88c5Memcached\u670d\u52a1\u5668\u7aef\uff0c\u628a\u670d\u52a1\u542f\u52a8\u8d77\u6765\uff0c\u505a\u597d\u76d1\u63a7\uff0c\u914d\u597d\u5f00\u673a\u81ea\u542f\u52a8\uff0c\u57fa\u672c\u5c31OK\u4e86\uff0c\u5ba2\u6237\u7aef\u7684PHP\u7a0b\u5e8f\u73af\u5883\u4e00\u822c\u5728\u5b89\u88c5LNMP\u73af\u5883\u65f6\u90fd\u4f1a\u63d0\u524d\u5b89\u88c5Memcached\u5ba2\u6237\u7aef\u63d2\u4ef6\uff0cJava\u7a0b\u5e8f\u73af\u5883\u4e0b\uff0c\u5f00\u53d1\u4eba\u5458\u4f1a\u7528\u7b2c\u4e09\u65b9\u7684JAR\u5305\u76f4\u63a5\u8fde\u63a5Memcached\u670d\u52a1\u3002\r\n<\/pre>\n\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<\/a>\u5b89\u88c5Memcached\u5ba2\u6237\u7aef<\/h4>\n\nLNMP PHP\u73af\u5883\u51c6\u5907\u8be6\u7ec6\u642d\u5efa\u8fc7\u7a0b\u7565\uff0c\u8bf7\u540c\u5b66\u4eec\u53c2\u9605\u4e4b\u524d\u7684LNMP\u7ae0\u8282<\/li>\nMemcached\u7f13\u5b58PHP\u6269\u5c55\u63d2\u4ef6\u5b89\u88c5\u524d\u9762\u5df2\u7ecf\u63d0\u8fc7\uff0cMemcached\u5206\u4e3a\u670d\u52a1\u5668\u7aef\u8f6f\u4ef6\u548c\u5ba2\u6237\u7aef\u63d2\u4ef6\u4e24\u90e8\u5206\uff0c\u8fd9\u91cc\u662fMemcached\u5ba2\u6237\u7aefPHP\u7684\u6269\u5c55\u63d2\u4ef6\uff08memcache-2.2.7.tgz\uff09\u5728PHP\u73af\u5883\u4e2d\u7684\u5b89\u88c5\uff0c\u7528\u4e8e\u8bbf\u95eeMemcached\u670d\u52a1\u5668\u7aef\u6570\u636e\u3002
\nPHP\u7684Memcached\u6269\u5c55\u63d2\u4ef6\u4e0b\u8f7d\u5730\u5740\u4e3a\uff1ahttp:\/\/pecl.php.net\/package\/memcache<\/a><\/li>\n<\/ol>\n\u5728LNMP\u4e0a\u64cd\u4f5c\uff0c\r\n[root@localhost ~]# wget -q http:\/\/pecl.php.net\/get\/memcache-2.2.7.tgz\r\n[root@localhost ~]# ls\r\nanaconda-ks.cfg install.log install.log.syslog memcache-2.2.7.tgz\r\n[root@localhost ~]# tar xf memcache-2.2.7.tgz -C \/usr\/src\/\r\n[root@localhost ~]# cd \/usr\/src\/memcache-2.2.7\/\r\n[root@localhost ~]# yum -y install autoconf\r\n[root@localhost memcache-2.2.7]# \/usr\/local\/php\/bin\/phpize \r\nConfiguring for:\r\nPHP Api Version: 20090626\r\nZend Module Api No: 20090626\r\nZend Extension Api No: 220090626\r\n[root@localhost memcache-2.2.7]# .\/configure --enable-memcache --with-php-config=\/usr\/local\/php\/bin\/php-config\r\n[root@localhost memcache-2.2.7]# make && make install\r\n[root@localhost ~]# ls -l \/usr\/local\/php\/lib\/php\/extensions\/no-debug-non-zts-20090626\/\r\ntotal 244\r\n-rwxr-xr-x. 1 root root 246576 Aug 6 12:53 memcache.so\r\n#\u6700\u540e\u751f\u6210\u4e86memcache.so\u6a21\u5757\u5c31\u8868\u793amemcache\u6269\u5c55\u63d2\u4ef6\u6210\u529f\u5b89\u88c5\r\n<\/code><\/pre>\n\n<\/li>\n<\/ul>\n\n\u914d\u7f6eMemcache\u5ba2\u6237\u7aef\uff0c\u4f7f\u5176\u751f\u6548
\n\u4fee\u6539PHP\u7684\u914d\u7f6e\u6587\u4ef6php.ini\uff0c\u52a0\u5165Memcache\u5ba2\u6237\u7aef\u7684\u914d\u7f6e\uff0c\u547d\u4ee4\u5982\u4e0b\uff1a<\/li>\n<\/ol>\n[root@localhost memcache-2.2.7]# cd \/usr\/local\/php\/lib\/\r\n[root@localhost lib]# vim php.ini\r\n[root@localhost lib]# tail -2 php.ini \r\nextension_dir = \"\/usr\/local\/php\/lib\/php\/extensions\/no-debug-non-zts-20090626\/\"\r\nextension=memcache.so\r\n\r\n<\/code><\/pre>\n\n<\/li>\n<\/ul>\n\n\u91cd\u542fphp-fpm\u670d\u52a1\u4f7fPHP\u7684\u914d\u7f6e\u4fee\u6539\u751f\u6548<\/li>\n<\/ol>\n1\uff09\u68c0\u67e5php-fpm\u8bed\u6cd5\uff1a<\/p>\n
[root@localhost lib]# \/usr\/local\/php\/sbin\/php-fpm -t\r\n[03-Jan-2019 02:47:12] NOTICE: configuration file \/usr\/local\/php5.3.28\/etc\/php-fpm.conf test is successful\r\n\r\n<\/code><\/pre>\n\n<\/li>\n<\/ul>\n2\uff09\u91cd\u542ffpm\uff0c\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n
[root@localhost lib]# pkill php-fpm\r\n[root@localhost lib]# netstat -antup | grep 9000\r\n[root@localhost lib]# \/usr\/local\/php\/sbin\/php-fpm\r\n[root@localhost lib]# netstat -antup | grep 9000\r\ntcp 0 0 127.0.0.1:9000 0.0.0.0:* LISTEN 26463\/php-fpm: mast \r\n[root@localhost lib]# \r\n\r\n<\/code><\/pre>\n\n<\/li>\n<\/ul>\n3\uff09\u6253\u5f00\u6d4f\u89c8\u5668\u8bbf\u95eephpinfo\u9875\u9762\uff0c\u82e5\u51fa\u73b0\u5982\u4e0b\u56fe\u6240\u793a\u5185\u5bb9\uff0c\u5219\u8868\u793aMemcache\u5ba2\u6237\u7aef\u5b89\u88c5\u6210\u529f<\/p>\n
<\/p>\n
\n\u7f16\u5199\u6d4b\u8bd5Memcached\u670d\u52a1\u7684PHP\u811a\u672c<\/li>\n<\/ol>\n\u4e0b\u9762\u4e3a\u7b80\u5355\u7684PHP\u7a0b\u5e8f\u8fde\u63a5Memcached\u6d4b\u8bd5\u811a\u672c<\/p>\n
[root@localhost www]# vim op_mem.php\r\n<?php #PHP\u5f00\u59cb\u6807\u8bc6\r\n$memcache = new Memcache; #\u521b\u5efa\u4e00\u4e2aMemcache\u5bf9\u8c61\r\n$memcache->connect('192.168.146.160','11211') or die (\"Could not connect Mc server\"); #\u8fde\u63a5Memcached\u670d\u52a1\u5668,IP\u5730\u5740\u4e3aMencached\u670d\u52a1\u7aef\u5730\u5740\r\n$memcache->set('key','yunjisuan book'); #\u8bbe\u7f6e\u4e00\u4e2a\u53d8\u91cf\u5230\u5185\u5b58\u4e2d\r\n$get=$memcache->get('key'); #\u4ece\u5185\u5b58\u4e2d\u53d6\u51fakey\r\necho $get; #\u8f93\u51fakey\u503c\u5230\u5c4f\u5e55\r\n?> #PHP\u7ed3\u675f\u6807\u8bc6\r\n\r\n<\/code><\/pre>\n\n<\/li>\n<\/ul>\nLinux\u672c\u5730\u6d4b\u8bd5\uff1a<\/p>\n
[root@localhost www]# \/usr\/local\/php\/bin\/php op_mem.php \r\nyunjisuan book \r\n<\/code><\/pre>\n\n<\/li>\n<\/ul>\nwindows\u8bbf\u95ee\u6d4b\u8bd5\uff1a
\n\u51fa\u73b0\u4e0a\u8ff0\u6d4b\u8bd5\u7ed3\u679c\uff0c\u5c31\u8868\u793aLNMP\u73af\u5883\u8fde\u63a5Memcached\u670d\u52a1\u6210\u529f\u3002<\/p>\n
<\/a>Memcached\u5e94\u7528\u7ba1\u7406<\/h4>\n<\/a>\u901a\u8fc7\u547d\u4ee4\u7ba1\u7406Memcached<\/h5>\n\u8fd0\u7ef4\u4eba\u5458\u4e00\u822c\u53ef\u901a\u8fc7\u5728\u547d\u4ee4\u884c\u6267\u884c\u201ctelnet ip port\u201d\u7684\u65b9\u5f0f\u767b\u9646\u5230Memcached\uff0c\u7136\u540e\u6267\u884c\u4e00\u4e9b\u7ba1\u7406\u7684\u547d\u4ee4\uff0c\u9664\u4e86telnet\u5916\uff0cnc\u547d\u4ee4\u4e5f\u662f\u4e00\u4e2a\u4e0d\u9519\u7684\u7ba1\u7406Memcached\u670d\u52a1\u7684\u547d\u4ee4\uff01\r\n\u6709\u5173\u201ctelnet ip port\u201d\u547d\u4ee4\u524d\u6587\u5df2\u7ecf\u4ecb\u7ecd\u8fc7\u4e86\uff0c\u4e0b\u9762\u5c06\u91cd\u70b9\u8bb2\u89e3\u901a\u8fc7nc\u7ba1\u7406\u53ca\u76d1\u63a7Memcached\u7684\u4e00\u4e9b\u5e38\u89c1\u64cd\u4f5c\u3002\r\n<\/pre>\n\n<\/li>\n<\/ul>\n\u4ee5\u4e0b\u901a\u8fc7\u811a\u672c\u6a21\u62df\u7528\u8fc7\u6237\u63d2\u5165\u53ca\u5220\u9664\u6570\u636e\u6765\u76d1\u63a7Memcached\u670d\u52a1\u662f\u5426\u6b63\u5e38\u7684\u793a\u4f8b<\/p>\n
\n\u68c0\u67e5Memcached\u670d\u52a1\u662f\u5426\u5f02\u5e38\u7684\u76d1\u63a7\u811a\u672c<\/li>\n<\/ol>\n\u811a\u672c\u5185\u5bb9\u5982\u4e0b\uff1a<\/p>\n
\u5728memcached\u670d\u52a1\u7aef\u4e2d\u64cd\u4f5c\uff0c\r\n[root@localhost ~]# mkdir -p \/server\/scripts\r\n[root@localhost ~]# cd \/server\/scripts\r\n[root@localhost scripts]# vim mon_mc.sh\r\n#!\/bin\/bash\r\n\r\nexport MemcachedIp=$1\r\nexport MemcachedPort=$2\r\nexport NcCmd=\"nc $MemcachedIp $MemcachedPort\"\r\nexport MD5=\"3fe396c01f03425cb5e2da8186eb090d\"\r\n\r\nUSAGE(){\r\necho \"$0 MemcachedIp MemcachedPort\"\r\nexit 3\r\n}\r\n\r\n[ $# -ne 2 ] && USAGE\r\nprintf \"set $MD5 0 0 9\\r\\nyunjisuan\\r\\n\" | $NcCmd >\/dev\/null 2>&1 \r\nif [ $? -eq 0 ];then\r\n if [ printf \"get $MD5\\r\\n\"|$NcCmd|grep yunjisuan|wc -l<\/code> -eq 1 ];then echo \"Memcached status is ok\" printf \"delete $MD5\\r\\n\"|$NcCmd >\/dev\/null 2>&1 exit 0 else echo \"Memcached status is error\" exit 2 fi else echo \"Could not connect Mc server\" exit 2 fi <\/code><\/pre>\n\n<\/li>\n<\/ul>\nMemcached\u670d\u52a1\u6b63\u5e38\u7684\u60c5\u51b5\u4e0b\uff0c\u6d4b\u8bd5\u68c0\u9a8c\u811a\u672c<\/p>\n
[root@localhost scripts]# sh mon_mc.sh 127.0.0.1 11211\r\nMemcached status is ok\r\n\r\n<\/code><\/pre>\n\n<\/li>\n<\/ul>\n\u5173\u95edMemcached\u670d\u52a1\uff0c\u518d\u6d4b\u8bd5\u811a\u672c<\/p>\n
[root@localhost run]# ps -ef | grep memcached\r\nroot 11268 1 0 03:10 ? 00:00:00 memcached -m 16m -p 11211 -d -u root -c 8192\r\nroot 11459 1291 0 04:08 pts\/0 00:00:00 grep --color=auto memcached\r\n[root@localhost run]# kill 11268\r\n[root@localhost run]# netstat -antup | grep 11211\r\n[root@localhost run]# cd \/server\/scripts\/\r\n[root@localhost scripts]# sh mon_mc.sh 127.0.0.1 11211\r\nCould not connect Mc server\r\n\r\n<\/code><\/pre>\n\n<\/li>\n<\/ul>\n\u6700\u540e\u5f00\u542fMemcached\u670d\u52a1\uff0c\u6d4b\u8bd5\u68c0\u9a8c\u811a\u672c<\/p>\n
[root@localhost scripts]# memcached -m 16m -p 11211 -d -u root -c 8192 -P \/var\/run\/11211.pid\r\n[root@localhost scripts]# netstat -antup | grep 11211\r\ntcp 0 0 0.0.0.0:11211 0.0.0.0:* LISTEN 11474\/memcached \r\ntcp6 0 0 :::11211 :::* LISTEN 11474\/memcached \r\nudp 0 0 0.0.0.0:11211 0.0.0.0:* 11474\/memcached \r\nudp6 0 0 :::11211 :::* 11474\/memcached \r\n[root@localhost scripts]# sh mon_mc.sh 127.0.0.1 11211\r\nMemcached status is ok\r\n\r\n<\/code><\/pre>\n\n<\/li>\n<\/ul>\n\u901a\u8fc7\u4e0a\u9762\u7684\u6d4b\u8bd5\uff0c\u6211\u4eec\u53d1\u73b0\u4f7f\u7528\u76d1\u63a7\u811a\u672c\u76d1\u63a7Memcached\u670d\u52a1\u662f\u5426\u5f02\u5e38\u7684\u8fd0\u884c\u662f\u6b63\u786e\u7684\u3002\r\n<\/pre>\n\n<\/li>\n<\/ul>\n\n\u901a\u8fc7nc\u547d\u4ee4\u67e5\u770bMemcached\u670d\u52a1\u7684\u8fd0\u884c\u72b6\u6001\u4fe1\u606f<\/li>\n<\/ol>\n\u67e5\u770bMemcached\u670d\u52a1\u8fd0\u884c\u72b6\u6001\u4fe1\u606f\u7684nc\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n
[root@localhost scripts]# printf \"stats\\r\\n\"|nc 127.0.0.1 11211\r\nSTAT pid 11474\r\nSTAT uptime 61\r\nSTAT time 1546506897\r\nSTAT version 1.4.15\r\nSTAT libevent 2.0.21-stable\r\nSTAT pointer_size 64\r\nSTAT rusage_user 0.000000\r\nSTAT rusage_system 0.344251\r\nSTAT curr_connections 10\r\nSTAT total_connections 14\r\nSTAT connection_structures 11\r\nSTAT reserved_fds 20\r\nSTAT cmd_get 1\r\nSTAT cmd_set 1\r\nSTAT cmd_flush 0\r\nSTAT cmd_touch 0\r\nSTAT get_hits 1\r\nSTAT get_misses 0\r\nSTAT delete_misses 0\r\nSTAT delete_hits 1\r\nSTAT incr_misses 0\r\nSTAT incr_hits 0\r\nSTAT decr_misses 0\r\nSTAT decr_hits 0\r\nSTAT cas_misses 0\r\nSTAT cas_hits 0\r\nSTAT cas_badval 0\r\nSTAT touch_hits 0\r\nSTAT touch_misses 0\r\nSTAT auth_cmds 0\r\nSTAT auth_errors 0\r\nSTAT bytes_read 141\r\nSTAT bytes_written 77\r\nSTAT limit_maxbytes 16777216\r\nSTAT accepting_conns 1\r\nSTAT listen_disabled_num 0\r\nSTAT threads 4\r\nSTAT conn_yields 0\r\nSTAT hash_power_level 16\r\nSTAT hash_bytes 524288\r\nSTAT hash_is_expanding 0\r\nSTAT bytes 0\r\nSTAT curr_items 0\r\nSTAT total_items 1\r\nSTAT expired_unfetched 0\r\nSTAT evicted_unfetched 0\r\nSTAT evictions 0\r\nSTAT reclaimed 0\r\nEND\r\n[root@localhost scripts]# \r\n\r\n<\/code><\/pre>\n\u9664\u4e86\u4e0a\u8ff0\u8f93\u51fa\u7684\u5168\u90e8\u72b6\u6001\u4ee5\u5916\uff0cMemcached\u8fd8\u652f\u6301\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u7684\u8f93\u5165\u6765\u67e5\u770bMemcached\u7684\u90e8\u5206\u8fd0\u884c\u72b6\u6001\u4fe1\u606f\u3002\u76ee\u524d\u7ba1\u7406Memcached\u7684\u547d\u4ee4\u89c1\u4e0b\u8868\uff1a\r\n<\/pre>\n\n<\/li>\n<\/ul>\n\n\n\n\n\n\n\n\n\n\n\nMemcached\u72b6\u6001\u547d\u4ee4<\/th>\n \u8bf4\u660e<\/th>\n<\/tr>\n<\/thead>\n
stats<\/td>\n \u7edf\u8ba1Memcached\u7684\u5404\u79cd\u4fe1\u606f<\/td>\n<\/tr>\n
stats settings<\/td>\n \u67e5\u770b\u4e00\u4e9bmemcached\u7684\u8bbe\u7f6e\u4fe1\u606f\uff0c\u4f8b\u5982\uff1a\u7ebf\u7a0b\u6570<\/td>\n<\/tr>\n
stats slabs<\/td>\n \u67e5\u770bslabs\u76f8\u5173\u60c5\u51b5\uff0c\u4f8b\u5982\uff1achunksize\u957f\u5ea6<\/td>\n<\/tr>\n
stats items<\/td>\n \u67e5\u770bitems\u76f8\u5173\u60c5\u51b5<\/td>\n<\/tr>\n
stats sizes<\/td>\n \u67e5\u770bitems\u4e2a\u6570\u548c\u5927\u5c0f<\/td>\n<\/tr>\n
stats reset<\/td>\n \u6e05\u7406\u7edf\u8ba1\u6570\u636e<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n\u4f8b\u5982\uff0c\u8981\u67e5\u770bMemcached\u7684\u7edf\u8ba1\u4fe1\u606f\uff0c\u53ef\u5148\u6267\u884c\u201ctelnet ip \u76d1\u542c\u7aef\u53e3\u201d\u547d\u4ee4\uff0c\u767b\u9646\u6210\u529f\u4e4b\u540e\u6267\u884cstats\u547d\u4ee4\uff0c\u5177\u4f53\u8fc7\u7a0b\u5982\u4e0b\uff1a\r\n<\/pre>\n\n<\/li>\n<\/ul>\n#\u5728LNMP\u4e0a\u64cd\u4f5c\uff0c\r\n[root@localhost ~]# which telnet\r\n\/usr\/bin\/telnet\r\n[root@localhost ~]# telnet 192.168.146.160 11211 #\u8fdc\u7a0b\u8fde\u63a5memcached\u670d\u52a1\u7aef\r\nTrying 192.168.146.160...\r\nConnected to 192.168.146.160.\r\nEscape character is '^]'.\r\nstats\r\nSTAT pid 11474 #\u542f\u52a8\u7684\u8fdb\u7a0bid\r\nSTAT uptime 305 #\u5230\u76ee\u524d1\u4f4d\u7f6e\u542f\u52a8\u4e86\u591a\u5c11\u79d2\r\nSTAT time 1546507141\r\nSTAT version 1.4.15 #Memcached\u7684\u7248\u672c\u4fe1\u606f\r\nSTAT libevent 2.0.21-stable\r\nSTAT pointer_size 64\r\nSTAT rusage_user 0.000000\r\nSTAT rusage_system 0.356952\r\nSTAT curr_connections 10 #\u5f53\u524d\u7684\u5e76\u53d1\u8fde\u63a5\u6570\r\nSTAT total_connections 15 #\u603b\u7684\u8fde\u63a5\u6570\r\nSTAT connection_structures 11\r\nSTAT reserved_fds 20\r\nSTAT cmd_get 1 #\u6267\u884c\u7684get\u547d\u4ee4\u7684\u6b21\u6570\r\nSTAT cmd_set 1 #\u6267\u884c\u7684set\u547d\u4ee4\u7684\u6b21\u6570\r\nSTAT cmd_flush 0 #\u6267\u884cflush\u547d\u4ee4\u7684\u6b21\u6570\r\nSTAT cmd_touch 0 #get\u7684\u547d\u4e2d\u6570\r\nSTAT get_hits 1 #get\u7684\u975e\u547d\u4e2d\u6570\r\nSTAT get_misses 0\r\nSTAT delete_misses 0\r\nSTAT delete_hits 1\r\nSTAT incr_misses 0\r\nSTAT incr_hits 0\r\nSTAT decr_misses 0\r\nSTAT decr_hits 0\r\nSTAT cas_misses 0\r\nSTAT cas_hits 0\r\nSTAT cas_badval 0\r\nSTAT touch_hits 0\r\nSTAT touch_misses 0\r\nSTAT auth_cmds 0\r\nSTAT auth_errors 0\r\nSTAT bytes_read 148\r\nSTAT bytes_written 1104\r\nSTAT limit_maxbytes 16777216 #\u5141\u8bb8\u4f7f\u7528\u7684\u6700\u5927\u5185\u5b58\u5bb9\u91cf\r\nSTAT accepting_conns 1\r\nSTAT listen_disabled_num 0\r\nSTAT threads 4\r\nSTAT conn_yields 0\r\nSTAT hash_power_level 16\r\nSTAT hash_bytes 524288\r\nSTAT hash_is_expanding 0\r\nSTAT bytes 0\r\nSTAT curr_items 0\r\nSTAT total_items 1\r\nSTAT expired_unfetched 0\r\nSTAT evicted_unfetched 0\r\nSTAT evictions 0\r\nSTAT reclaimed 0\r\nEND\r\n\r\n<\/code><\/pre>\n\n<\/li>\n<\/ul>\n\u4f7f\u7528printf\u53canc\u547d\u4ee4\u83b7\u53d6\u72b6\u6001\u4fe1\u606f\u66f4\u4f73\uff0c\u56e0\u4e3a\u65e0\u9700\u4ea4\u4e92\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u811a\u672c\u6279\u91cf\u64cd\u4f5c<\/p>\n
[root@localhost ~]# printf \"stats\\r\\n\"|nc 192.168.146.160 11211\r\nSTAT pid 11474\r\nSTAT uptime 798\r\nSTAT time 1546507634\r\nSTAT version 1.4.15\r\nSTAT libevent 2.0.21-stable\r\nSTAT pointer_size 64\r\nSTAT rusage_user 0.000000\r\nSTAT rusage_system 0.385389\r\nSTAT curr_connections 10\r\nSTAT total_connections 16\r\nSTAT connection_structures 11\r\nSTAT reserved_fds 20\r\nSTAT cmd_get 1\r\nSTAT cmd_set 1\r\nSTAT cmd_flush 0\r\nSTAT cmd_touch 0\r\nSTAT get_hits 1\r\nSTAT get_misses 0\r\nSTAT delete_misses 0\r\nSTAT delete_hits 1\r\n...\r\n<\/code><\/pre>\n\n<\/li>\n<\/ul>\n<\/a>Memcached\u72b6\u6001\u4fe1\u606f\u8be6\u7ec6\u8bf4\u660e<\/h5>\n<\/p>\n
<\/p>\n<\/a>\u901a\u8fc7memadmin php \u5de5\u5177\u5c55\u793aMemcached\u72b6\u6001\u4fe1\u606f<\/h5>\n\u8fd0\u7ef4\u4eba\u5458\u9664\u4e86\u901a\u8fc7\u547d\u4ee4\u884c\u7ba1\u7406Memcached\u4ee5\u5916\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528\u5f88\u591a\u7684\u7b2c\u4e09\u65b9\u5f00\u6e90\u7ba1\u7406\u5de5\u5177\uff0c\u4f8b\u5982\uff1a\u901a\u8fc7memadmin\u5de5\u5177\u7ba1\u7406\u53ca\u76d1\u63a7Memcached\u72b6\u6001\uff0c\u8f6f\u4ef6\u7684\u540d\u79f0\u4e3a\u201cmemadmin-1.0.12.tar.gz\u201d,\u8fd9\u4e2a\u8f6f\u4ef6\u7684\u90e8\u7f72\u5341\u5206\u7b80\u5355\uff0c\u529f\u80fd\u975e\u5e38\u5f3a\u5927\uff0c\u4f46\u662f\u4f9d\u8d56\u4e8ePHP\u73af\u5883\uff0c\u63a8\u8350\u540c\u5b66\u4eec\u521d\u5b66Memcached\u65f6\u4f7f\u7528\u3002\r\n<\/pre>\n\n1<\/li>\n<\/ul>\n\n\u90e8\u7f72memadmin php\u5de5\u5177\u56e0\u4e3a\u8fd9\u4e2a\u8f6f\u4ef6\u662f\u57fa\u4e8ePHP\u7a0b\u5e8f\u7684\uff0c\u56e0\u6b64\uff0c\u9700\u8981\u6709PHP\u7684\u73af\u5883\u624d\u884c\uff0c\u672c\u7ae0\u5df2\u7ecf\u51c6\u5907\u597d\u4e86LNMP\u7684\u73af\u5883\uff0c\u56e0\u6b64\uff0c\u53ef\u4ee5\u7b80\u5355\u5730\u5c06\u4e0a\u8ff0\u201cmemadmin-1.0.12.tar.gz\u201d\u89e3\u538b\u5230\u865a\u62df\u4e3b\u673a\u7ad9\u70b9\u76ee\u5f55\u4e0b\uff0c\u8fd9\u91cc\u8fd8\u662f\u4ee5bbs\u865a\u62df\u4e3b\u673a\u4e3a\u4f8b\u8fdb\u884c\u8bb2\u89e3\u3002<\/li>\n<\/ol>\n\u90e8\u7f72\u7684\u5173\u952e\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n[root@localhost ~]# ll memadmin-1.0.12.tar.gz \r\n-rw-r--r--. 1 root root 196734 Aug 6 2017 memadmin-1.0.12.tar.gz\r\n[root@localhost ~]# tar xf memadmin-1.0.12.tar.gz \r\n[root@localhost ~]# mv memadmin \/usr\/local\/nginx\/html\/www\/\r\n[root@localhost ~]# \r\n\r\n<\/code><\/pre>\n\n<\/li>\n<\/ul>\n\n\u91c7\u7528IP\u6216\u8005\u89e3\u6790\u597d\u7684\u57df\u540d\u8fdb\u884c\u8bbf\u95ee
\nLNMP\u670d\u52a1\u5668\u7684nginx.conf\u914d\u7f6e\u6587\u4ef6\u5185\u5bb9\u5982\u4e0b\uff1a<\/li>\n<\/ol>\n[root@localhost ~]# cd \/usr\/local\/nginx\/conf\/\r\n[root@localhost conf]# vim nginx.conf\r\nworker_processes 1;\r\nerror_log logs\/error.log;\r\nevents {\r\n worker_connections 1024;\r\n}\r\nhttp {\r\n include mime.types;\r\n default_type application\/octet-stream;\r\n sendfile on;\r\n keepalive_timeout 65;\r\n server {\r\n listen 80;\r\n server_name www.yunjisuan.com;\r\n location \/ {\r\n root html\/www;\r\n index index.html index.htm;\r\n }\r\n location ~ .*\\.(php|php5)?$ {\r\n root html\/www;\r\n fastcgi_pass 127.0.0.1:9000;\r\n fastcgi_index index.php;\r\n include fastcgi.conf;\r\n }\r\n }\r\n}\r\n\r\n<\/code><\/pre>\n\n<\/li>\n<\/ul>\n\u6253\u5f00\u6d4f\u89c8\u5668\u8f93\u5165\u57df\u540d:http:\/\/www.yunjisuan.com\/memadmin\/index.php<\/a><\/p>\n
\u7a0b\u5e8f\u7684\u7ba1\u7406\u9875\u9762\u5982\u4e0b\u56fe\u6240\u793a\uff1a
\n\u63d0\u793a\uff1a
\n\u7528\u6237\u540d\u548c\u5bc6\u7801\u90fd\u662fadmin
\n\u767b\u9646\u4e4b\u540e\u7684\u9875\u9762\u5982\u4e0b\u56fe\u6240\u793a\uff1a
\n\u7136\u540e\u70b9\u51fb\u7ba1\u7406\uff0c\u8fdb\u5165\u4e0b\u56fe\uff1a
\nmemadmin\u5bf9\u5355\u4e2a\u6216\u5c11\u91cf\u7684Memcached\u670d\u52a1\u5668\u6570\u91cf\u7684\u76d1\u63a7\uff0c\u7ef4\u62a4\u7ba1\u7406\u8fd8\u662f\u5f88\u76f4\u89c2\u5bb9\u6613\u7684\u3002<\/p>\n
<\/a>Memcached\u670d\u52a1\u5e94\u7528\u7684\u4f18\u5316<\/h4>\n\nMemcached\u670d\u52a1\u5e94\u7528\u4f18\u5316\u6848\u4f8b\u4e0b\u9762\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u4e00\u4e2aMemcached\u670d\u52a1\u5e94\u7528\u4f18\u5316\u7684\u4f01\u4e1a\u6848\u4f8b\u3002\u7528\u6237\u8bbf\u95ee\u7f51\u7ad9\u6253\u5f00\u9875\u9762\u5f88\u6162\uff0c\u7ecf\u8fd0\u7ef4\u4eba\u5458\u6392\u67e5\u540e\uff0c\u53d1\u73b0MySQL\u6570\u636e\u5e93\u8d1f\u8f7d\u5f88\u9ad8(CPU)\uff0cload\u503c\u5927\u6982\u4e3a20~30\uff0c\u5982\u4e0b\uff1a<\/li>\n<\/ol>\n[root@localhost ~]# uptime\r\n 04:37:48 up 2:45, 2 users, load average: 0.00, 0.01, 0.05\r\n[root@localhost ~]# mysql -uroot -p123456 -e \"show full processlist\"|grep -vi sleep\r\nId User Host db Command Time State Info\r\n3 root localhost NULL Query 0 NULL show full processlist\r\n\r\n<\/code><\/pre>\n\n<\/li>\n<\/ul>\n\u53d1\u73b0\u6570\u636e\u5e93\u4e2d\u50cf\u201cLIKE\u2018%\u675c\u51b7\u4e01%\u2019\u201d\u8fd9\u6837\u7684SQL\u8bed\u53e5\u7279\u522b\u591a\uff0c\u5bfc\u81f4\u6570\u636e\u5e93\u8d1f\u8f7d\u5f88\u9ad8\uff0c\u6211\u4eec\u90fd\u77e5\u9053\u50cfLIKE\u2018%\u675c\u51b7\u4e01%\u2019\u8fd9\u6837\u7684SQL\u8bed\u53e5\u5bf9\u4e8eMySQl\u6570\u636e\u5e93\u6765\u8bf4\uff0c\u5229\u7528\u7d22\u5f15\u6ca1\u6709\u592a\u5927\u7684\u4f18\u5316\u4f59\u5730\u3002
\n\u6253\u5f00\u8be5\u7f51\u7ad9\u9996\u9875\u67e5\u770b\uff0c\u53d1\u73b0\u8be5\u9996\u9875\u6709\u4e00\u4e2a\u641c\u7d22\u6846\uff0c\u6839\u636e\u524d\u9762\u67e5\u770b\u7684SQL\u8bed\u53e5\u5f62\u5f0f\uff0c\u53ef\u4ee5\u63a8\u6d4b\u4e0a\u8ff0\u201cLIKE%\u675c\u51b7\u4e01%\u201d\u5e94\u8be5\u662f\u641c\u7d22\u6846\u7684\u8bed\u53e5\u5e26\u6765\u7684\u7ed3\u679c\u3002\u4e8b\u540e\u4ece\u8fd9\u4e2a\u516c\u53f8\u7684\u6570\u636e\u5e93\u7ef4\u62a4\u4eba\u5458\u5904\u5f97\u5230\u4e86\u8bc1\u5b9e\uff0c\u8bf7\u95ee\u5982\u679c\u662f\u4f60\uff0c\u4f60\u8be5\u5982\u4f55\u4f18\u5316\u89e3\u51b3\u5f53\u524d\u7684\u95ee\u9898\u5462\uff1f<\/p>\n
<\/p>\n
\u5927\u6982\u7684\u4f18\u5316\u65b9\u6848\u601d\u8def\u5982\u4e0b\uff1a<\/p>\n
\u770b\u662f\u5426\u53ef\u4ee5\u4ece\u4e1a\u52a1\u4e0a\u6574\u6539\uff0c\u4f8b\u5982\uff0c\u53ea\u6709\u5728\u7528\u6237\u767b\u9646\u540e\u624d\u53ef\u4ee5\u8fdb\u884c\u641c\u7d22\uff0c\u901a\u8fc7\u8fd9\u79cd\u6539\u8fdb\u6765\u51cf\u5c11\u641c\u7d22\u7684\u6b21\u6570\uff0c\u8fbe\u5230\u51cf\u8f7b\u6570\u636e\u5e93\u670d\u52a1\u538b\u529b\u7684\u76ee\u7684\u3002
\n\u5982\u679c\u6709\u5927\u91cf\u9891\u7e41\u7684\u641c\u7d22SQL\u8bed\u53e5\uff0c\u5f88\u6709\u53ef\u80fd\u662f\u6709\u7f51\u7edc\u722c\u866b\u5728\u722c\u6211\u4eec\u7684\u7f51\u7ad9\uff0c\u53ef\u4ee5\u901a\u8fc7\u5206\u6790Web\u65e5\u5fd7\u6216\u8005\u7f51\u7edc\u8fde\u63a5\u72b6\u6001\uff0c\u5c01\u6389\u8fd9\u4e9b\u975e\u6b63\u5e38\u7684\u641c\u7d22\u8bf7\u6c42\u3002
\n\u4e3a\u4e3b\u5e93\u914d\u7f6e\u591a\u4e2a\u4ece\u5e93\uff0c\u7136\u540e\u5b9e\u73b0\u6570\u636e\u7684\u8bfb\u5199\u5206\u79bb\uff0c\u8ba9\u201cLIKE\u2018%\u675c\u51b7\u4e01%\u2019\u201d\u8fd9\u6837\u7684\u67e5\u8be2\u53bb\u591a\u4e2a\u4ece\u5e93\u67e5\uff0c\u4ece\u800c\u51cf\u8f7b\u4e3b\u5e93\u7684\u8bfb\u5199\u538b\u529b\u3002
\n\u5728\u6570\u636e\u5e93\u524d\u7aef\u52a0Memcached\u7f13\u5b58\u670d\u52a1\u5668\uff0c\u8fd9\u4e2a\u6548\u679c\u5728\u6240\u6709\u7684\u65b9\u6cd5\u91cc\u662f\u6700\u597d\u7684\u3002
\n\u5728\u6570\u636e\u5e93\u91cc\u4f7f\u7528\u201cLIKE\u2018%\u675c\u51b7\u4e01%\u2019\u201d\u5b9e\u73b0\u641c\u7d22\uff0c\u5e76\u975e\u660e\u667a\u7684\u9009\u62e9\uff0c\u53ef\u4ee5\u901a\u8fc7Sphinx\u7b49\u641c\u7d22\u670d\u52a1\u5b9e\u73b0\u7528\u6237\u641c\u7d22\u3002
\n\u8fd8\u53ef\u4ee5\u5229\u7528C\uff0cRuby\u7b49\u5f00\u53d1\u8bed\u8a00\u5f00\u53d1\u7a0b\u5e8f\uff0c\u90e8\u7f72\u8ba1\u7b97\u670d\u52a1\u5668\u5b9e\u73b0\u6bcf\u65e5\u8bfb\u6570\u636e\u5e93\u8ba1\u7b97\u5168\u91cf\u641c\u7d22\u7d22\u5f15\uff0c\u7136\u540e\u4fdd\u5b58\u5728\u63d0\u4f9b\u641c\u7d22\u7684Web\u670d\u52a1\u5668\u4e0a\uff0c\u9664\u4e86\u8bbe\u5b9a\u6bcf\u65e5\u8ba1\u7b97\u5168\u91cf\u641c\u7d22\u7d22\u5f15\u5916\uff0c\u53ef\u4ee5\u6bcf\u5206\u949f\u8bfb\u5355\u72ec\u76841~2\u4e2a\u4ece\u5e93\u505a\u589e\u91cf\u8ba1\u7b97\u7d22\u5f15\u3002\u8fd9\u662f\u5927\u516c\u53f8\u9488\u5bf9\u7ad9\u5185\u641c\u7d22\u91c7\u53d6\u7684\u57fa\u672c\u89e3\u51b3\u65b9\u6848\u4e4b\u4e00\u3002<\/p>\n \u5176\u4e2d1\uff0c2\uff0c3\u662f\u77ed\u671f\u7684\u65b9\u6848\uff0c\u7b80\u5355\u5bb9\u6613\u5b9e\u65bd\u30024\uff0c5\uff0c6\u662f\u957f\u671f\u7684\u65b9\u6848\u76ee\u6807\u3002\r\n \u8fd9\u4e2a\u6848\u4f8b\u7684\u6700\u7ec8\u95ee\u9898\u662f\uff0c\u7f51\u7ad9\u524d\u7aef\u6709\u722c\u866b\u722c\u7ad9\uff0c\u901a\u8fc7\u5206\u6790Web\u65e5\u5fd7\u83b7\u53d6\u5230\u722c\u7ad9\u7684IP\uff0c\u4e34\u65f6\u5c01\u6389\u540e\uff0cMySQL\u6570\u636e\u5e93\u8d1f\u8f7d\u7acb\u523b\u4e0b\u964d\u4e86\u5f88\u591a\uff0c\u7f51\u7ad9\u670d\u52a1\u6062\u590d\u6b63\u5e38\u3002\r\n<\/code><\/pre>\n\n1<\/li>\n2<\/li>\n<\/ul>\n\u4e0b\u56fe\u662f\u9488\u5bf9\u65b9\u68486\u7ed9\u51fa\u7684\u5927\u578b\u7f51\u7ad9\u641c\u7d22\u96c6\u7fa4\u67b6\u6784\u903b\u8f91\u6848\u4f8b\u56fe<\/p>\n
<\/p>\n
\n\n\nMemcached\u670d\u52a1\u4f18\u5316\u7b56\u7565\nMemcached\u670d\u52a1\u7684\u989d\u5b89\u88c5\u914d\u7f6e\u7b80\u5355\uff0c\u51e0\u4e4e\u4e0d\u9700\u8981\u4f18\u5316\u5c31\u53ef\u4ee5\u8dd1\u7684\u5f88\u597d\uff0c\u5728\u7279\u6b8a\u7684\u5927\u5e76\u53d1\u9ad8\u8bbf\u95ee\u91cf\u7684\u573a\u5408\u624d\u9700\u8981\u8fdb\u884c\u4e00\u4e9b\u4f18\u5316\u3002\r\n<\/pre>\n\n1<\/li>\n<\/ul>\n(1) \u63d0\u9ad8Memcached\u8bbf\u95ee\u547d\u4e2d\u7387\u662f\u4f18\u5316\u7684\u6700\u5173\u952e\u6307\u6807\u3002<\/p>\n
\u4f8b\u5982\uff1a\u6bcf\u6b21\u65b0\u589e\u6570\u636e\u5230\u6570\u636e\u5e93\u7684\u540c\u65f6\uff0c\u5c31\u5c06\u6570\u636e\u5199\u5165\u6216\u8005\u590d\u5236\u4e00\u4efd\u5230Memcached\u91cc\uff0c\u7136\u540e\u4ece\u4e1a\u52a1\u903b\u8f91\u4e0a\u8ba9\u7a0b\u5e8f\u4f18\u5148\u8bfb\u7f13\u5b58\uff0c\u6ca1\u6709\u6570\u636e\u518d\u67e5\u6570\u636e\u5e93\u3002\r\n<\/pre>\n\n<\/li>\n<\/ul>\n(2) \u63d0\u9ad8\u5185\u5b58\u5229\u7528\u7387\uff0c\u51cf\u5c11\u5185\u5b58\u6d6a\u8d39<\/p>\n
\u51cf\u5c11chunk\u5185\u5b58\u7a7a\u95f4\u6d6a\u8d39\u7684\u8c03\u4f18\u65b9\u6cd5\u4e3a\uff0c\u6839\u636e\u4e1a\u52a1\u6570\u636e\u7684\u5927\u5c0f\uff0c\u5229\u7528-n\u53c2\u6570\u8bbe\u5b9achunk\u7684\u521d\u59cb\u503c\uff0c\u53ca\u901a\u8fc7-f\u53c2\u6570factor\u589e\u957f\u56e0\u5b50\u8bbe\u7f6echunk\u7684\u5927\u5c0f\u5c3d\u53ef\u80fd\u63a5\u8fd1\u4e1a\u52a1\u6570\u636e\u7684\u5927\u5c0f\u3002\r\n\u51cf\u5c11slab\u7684\u6d6a\u8d39\uff0c\u8bbe\u5b9aslab\u7684\u5927\u5c0f\u4e3achunk\u7684\u6574\u6570\u500d\u3002\r\n\u91c7\u7528\u4e00\u81f4\u6027\u54c8\u5e0c\u5206\u5e03\u5f0f\u7f13\u5b58\u96c6\u7fa4\u67b6\u6784<\/pre>\n<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n <\/p>\n
 <\/p>\n
\u5f53\u7f51\u7ad9\u540e\u7aef\u7684\u6570\u636e\u5e93\u6570\u636e\u91cf\u5f88\u5927\u65f6\uff0c\u5355\u53f0Memcached\u5c31\u65e0\u6cd5\u5b58\u653e\u7edd\u5927\u90e8\u5206\u7684\u6570\u636e\u5e93\u5185\u6570\u636e\uff0c\u5bfc\u81f4Memcached\u670d\u52a1\u7684\u547d\u4e2d\u7387\u5f88\u4f4e\uff0c\u6b64\u65f6\uff0c\u53ef\u4ee5\u91c7\u7528\u4e00\u81f4\u6027\u54c8\u5e0c\u5206\u5e03\u5f0f\u7f13\u5b58\u96c6\u7fa4\u67b6\u6784\uff0c\u63d0\u5347\u7f51\u7ad9\u7684\u547d\u4e2d\u7387\uff0c\u4e00\u81f4\u6027\u54c8\u5e0c\u53ef\u4ee5\u7531\u7a0b\u5e8f\u5b9e\u73b0\u6216\u8005\u652f\u6301\u4e00\u81f4\u6027\u54c8\u5e0c\u7b97\u6cd5\u7684\u8d1f\u8f7d\u5747\u8861\u5668\u5b9e\u73b0\u3002<\/p>\n
\n<\/li>\n<\/ul>\n\nMemcached\u670d\u52a1\u5728\u5927\u578b\u7ad9\u70b9\u4e2d\u7684\u67b6\u6784\u4f18\u5316
\n(1) \u5927\u578b\u7f51\u7ad9\u7684\u67b6\u6784\u8bbe\u8ba1\u539f\u5219\u5f53\u8bbf\u95ee\u91cf\u589e\u5927\u65f6\uff0c\u5728\u6574\u4e2a\u7f51\u7ad9\u96c6\u7fa4\u67b6\u6784\u4e2d\u6700\u5148\u51fa\u73b0\u74f6\u9888\u7684\u51e0\u4e4e\u90fd\u662f\u540e\u7aef\u7684\u6570\u636e\u5e93\u6216\u7528\u4e8e\u5b58\u50a8\u7684\u670d\u52a1\u5668\uff0c\u5728\u4f01\u4e1a\u751f\u4ea7\u5de5\u4f5c\u4e2d\u5e94\u5c3d\u91cf\u628a\u7528\u6237\u7684\u8bbf\u95ee\u8bf7\u6c42\u5f80\u6574\u4e2a\u7f51\u7ad9\u67b6\u6784\u7684\u6700\u524d\u9762\u63a8\uff0c\u5373\u5f53\u7528\u6237\u8bf7\u6c42\u6570\u636e\u65f6\uff0c\u8d8a\u662f\u5728\u9760\u8fd1\u7528\u6237\u7aef\u8fd4\u56de\u6570\u636e\uff0c\u6548\u679c\u5c31\u8d8a\u597d\u3002<\/li>\n<\/ol>\n(2) \u5927\u578b\u7f51\u7ad9\u7684\u6570\u636e\u5e93\u67b6\u6784\u5e38\u89c1\u8bbe\u8ba1<\/p>\n
\u4e3a\u4e86\u7f13\u89e3\u5e94\u7528\u5bf9\u6570\u636e\u5e93\u7684\u9ad8\u5e76\u53d1\u8bbf\u95ee\u538b\u529b\uff0c\u5927\u578b\u7f51\u7ad9\u90fd\u4f1a\u5728\u6570\u636e\u5e93\u5c42\u914d\u7f6e\u6570\u636e\u8bfb\u5199\u5206\u79bb\uff0c\u5e76\u63d0\u4f9b\u8bfb\u7684\u6570\u636e\u5e93\u505a\u8d1f\u8f7d\u5747\u8861\uff0c\u903b\u8f91\u56fe\u5982\u4e0b\u56fe\u6240\u793a\uff1a\u5176\u4e2d\u662f\u4ee5Amoeba\u8f6f\u4ef6\u4f5c\u4e3a\u8bfb\u5199\u5206\u79bb\u8bf4\u660e\u7684\u3002\r\n<\/pre>\n\n1<\/li>\n<\/ul>\n<\/p>\n
\u7531\u4e8e\u8bbf\u95ee\u6570\u636e\u5e93\u8bfb\u5199\u7684\u662f\u78c1\u76d8\uff0c\u6240\u4ee5\uff0c\u5bf9\u4e8e\u9ad8\u5e76\u53d1\u7684\u4e1a\u52a1\u573a\u666f\uff0c\u4e0a\u8ff0\u8bfb\u5199\u5206\u79bb\u7684\u67b6\u6784\u8fd8\u662f\u8fdc\u8fdc\u89e3\u51b3\u4e0d\u4e86\u95ee\u9898\u7684\uff0c\u6839\u636e\u79bb\u8bbf\u95ee\u7528\u6237\u8d8a\u8fd1\u6548\u7387\u8d8a\u9ad8\u4ee5\u53ca\u7528\u5185\u5b58\u4ee3\u66ff\u78c1\u76d8\u7684\u67b6\u6784\u601d\u60f3\uff0c\u53ef\u4ee5\u5728\u6570\u636e\u5e93\u67b6\u6784\u7684\u524d\u7aef\u90e8\u7f72Memcached\u670d\u52a1\u4f5c\u4e3a\u7f13\u5b58\u533a\uff0c\u6700\u5927\u9650\u5ea6\u5730\u628a\u5bf9\u6570\u636e\u5e93\u67e5\u8be2\u4fe1\u606f\u4fdd\u5b58\u5728Memcached\u670d\u52a1\u7684\u5185\u5b58\u4e2d\uff0c\u8fd9\u6837\u524d\u7aef\u7684\u5e94\u7528\u670d\u52a1\u5c31\u80fd\u591f\u8fc5\u901f\u5730\u4eceMemcached\u4e2d\u8bfb\u53d6\u5230\u539f\u672c\u5728\u6570\u636e\u5e93\u4e2d\u624d\u80fd\u8bfb\u53d6\u5230\u7684\u6570\u636e\uff0c\u4ece\u800c\u52a0\u5feb\u4e86\u7f51\u7ad9\u7684\u8bbf\u95ee\u901f\u5ea6\u3002\r\n<\/pre>\n\n<\/li>\n<\/ul>\n(3) \u5206\u5e03\u5f0fMemcached\u7f13\u5b58\u670d\u52a1\u67b6\u6784<\/p>\n
\u7531\u4e8e\u5355\u53f0Memcached\u670d\u52a1\u5668\u7684\u5185\u5b58\u5bb9\u91cf\u662f\u6709\u9650\u7684\uff0c\u5e76\u4e14\u5355\u53f0\u4e5f\u5b58\u5728\u5355\u70b9\u6545\u969c\uff0c\u56e0\u6b64\uff0c\u5927\u578b\u7f51\u7ad9\u5f80\u5f80\u4f1a\u5c06\u591a\u4e2amemcached\u670d\u52a1\u5668\u7ec4\u5408\u6210\u96c6\u7fa4\u63d0\u4f9b\u670d\u52a1\uff0c\u90a3\u4e48\u600e\u4e48\u7ec4\u5408\u6548\u7387\u624d\u66f4\u9ad8\u5462\uff1f\r\n<\/pre>\n\n<\/li>\n<\/ul>\n\n\u7f13\u5b58\u670d\u52a1\u5668\u4f7f\u7528\u5e38\u89c4\u8d1f\u8f7d\u5747\u8861\u6a21\u5f0f\u7684\u95ee\u9898\u5728\u5e38\u89c4\u8d1f\u8f7d\u5747\u8861\u6a21\u5f0f\u4e2d\uff0c\u96c6\u7fa4\u8282\u70b9\u4e0a\u7684\u7a0b\u5e8f\u548c\u6570\u636e\u90fd\u662f\u4e00\u6837\u7684\uff0c\u4f8b\u5982Web\u96c6\u7fa4\u3002\u800c\u7f13\u5b58\u96c6\u7fa4\u8bbe\u8ba1\u4e0b\u7684\u6240\u6709\u8282\u70b9\u7f13\u5b58\u7684\u6570\u636e\u5c31\u4e0d\u80fd\u90fd\u4e00\u6837\uff0c\u56e0\u4e3a\u8fd9\u6837\u4e00\u6765\uff0c\u8bbf\u95ee\u6570\u636e\u547d\u4e2d\u7387\u4f1a\u975e\u5e38\u4f4e\u4e0b\uff0c\u4f4e\u4e0b\u7684\u539f\u56e0\u4e3b\u8981\u6709\u4e24\u4e2a\uff1a\u5f53\u5ba2\u6237\u7aef\u8bbf\u95ee\u7f13\u5b58A\u65e0\u6570\u636e\u65f6\uff0c\u5c31\u4f1a\u53bb\u67e5\u540e\u7aef\u6570\u636e\u5e93\uff0c\u7136\u540e\u628a\u67e5\u5230\u7684\u6570\u636e\u653e\u5165\u7f13\u5b58A\u4e2d\u4e00\u4efd\uff0c\u5f53\u4e0b\u6b21\u5ba2\u6237\u7aef\u8bbf\u95ee\u76f8\u540c\u7684\u6570\u636e\u65f6\uff0c\u53ef\u80fd\u88ab\u5206\u914d\u5230\u7684\u662f\u7f13\u5b58B\uff0c\u7ed3\u679cB\u4e2d\u8fd8\u662f\u65e0\u6570\u636e\uff0c\u8fd9\u6837\u5ba2\u6237\u7aef\u53c8\u4f1a\u53bb\u67e5\u540e\u7aef\u6570\u636e\u5e93\uff0c\u8fd9\u6837\u5c31\u4f1a\u7ed9\u6570\u636e\u5e93\u9020\u6210\u4e86\u8bbf\u95ee\u538b\u529b\uff0c\u540c\u65f6\u9020\u6210\u7f13\u5b58\u670d\u52a1\u5668\u7684\u547d\u4e2d\u7387\u5f88\u4f4e\u3002
\n\u5728\u96c6\u7fa4\u8fd0\u884c\u4e00\u6bb5\u65f6\u95f4\u540e\uff0c\u6240\u6709\u7f13\u5b58\u7684\u6570\u636e\u53ef\u80fd\u4ea4\u53c9\u5e76\u6781\u5176\u63a5\u8fd1\uff0c\u5982\u679c\u6570\u636e\u5e93\u6570\u636e\u91cf\u8fdc\u5927\u4e8e\u5355\u53f0Memcached\u670d\u52a1\u5668\u7684\u5185\u5b58\u603b\u91cf\uff0cMemcached\u7684\u547d\u4e2d\u7387\u4e5f\u4f1a\u975e\u5e38\u4f4e\u4e0b\u3002\u7406\u60f3\u7684\u60c5\u51b5\u662f\u6240\u6709\u7f13\u5b58\u6570\u636e\u4e4b\u548c\u63a5\u8fd1\u6570\u636e\u5e93\u603b\u7684\u6570\u636e\u5bb9\u91cf\uff0c\u8fd9\u6837\u7f13\u5b58\u7684\u6548\u7387\u624d\u4f1a\u9ad8\u3002
\n\u89e3\u51b3\u4e0a\u8ff0\u95ee\u9898\u7684\u65b9\u6848\u6700\u5e38\u89c1\u7684\u5c31\u662f\u4f7f\u7528\u54c8\u5e0c\u7b97\u6cd5\u6216\u4e00\u81f4\u6027\u54c8\u5e0c\u7b97\u6cd5\u5c06\u9700\u8981\u540c\u6837\u6570\u636e\u7684\u8bf7\u6c42\u59cb\u7ec8\u8c03\u5ea6\u5230\u540c\u4e00\u53f0\u7f13\u5b58\u670d\u52a1\u5668\uff0c\u63d0\u5347\u8bbf\u95ee\u547d\u4e2d\u7387\u3002\u5176\u6b21\uff0c\u6240\u6709\u7f13\u5b58\u670d\u52a1\u5668\u7f13\u5b58\u7684\u6570\u636e\u90fd\u662f\u4e0d\u540c\u7684\uff0c\u6240\u6709\u670d\u52a1\u5668\u7f13\u5b58\u7684\u6570\u636e\u4e4b\u548c\u63a5\u8fd1\u6570\u636e\u5e93\u603b\u7684\u6570\u636e\u5bb9\u91cf\uff0c\u4f7f\u5f97\u7f13\u5b58\u96c6\u7fa4\u65e0\u9700\u6362\u5165\u6362\u51fa\uff0c\u8fbe\u5230\u66f4\u9ad8\u7684\u547d\u4e2d\u7387\u3002<\/li>\n<\/ul>\n\u4e0b\u56fe\u662f\u7f13\u5b58\u670d\u52a1\u5668\u4f7f\u7528\u5e38\u89c4\u8d1f\u8f7d\u5747\u8861\u6a21\u5f0f\u7684\u95ee\u9898\u56fe\u89e3
\n<\/p>\n
\n\u5206\u5e03\u5f0f\u7f13\u5b58\u96c6\u7fa4\u7684\u4f18\u52a3\u52bf\n Memcached\u652f\u6301\u5206\u5e03\u5f0f\u96c6\u7fa4\uff0c\u5176\u4e2d\u7684\u65b9\u6cd5\u4e4b\u4e00\u5c31\u662f\u5728\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u4e0a\u8fdb\u884c\u6539\u9020\u3002\u4f8b\u5982\uff1a\u53ef\u4ee5\u6839\u636ekey\u9002\u5f53\u8fdb\u884c\u6709\u89c4\u5f8b\u7684\u5c01\u88c5\u3002\u6bd4\u5982\u4ee5\u7528\u6237\u4e3a\u4e3b\u7684\u7f51\u7ad9\u6765\u8bf4\uff0c\u6bcf\u4e2a\u7528\u6237\u90fd\u6709UserID\uff0c\u90a3\u4e48\u53ef\u4ee5\u6309\u7167\u56fa\u5b9a\u7684ID\u6765\u8fdb\u884c\u63d0\u53d6\u548c\u5b58\u53d6\uff0c\u5047\u8bbe\u4ee51\u5f00\u5934\u7684\u7528\u6237\u4fdd\u5b58\u5728\u7b2c\u4e00\u53f0Memcached\u670d\u52a1\u5668\u4e0a\uff0c\u4ee52\u5f00\u5934\u7684\u7528\u8fc7\u6237\u7684\u6570\u636e\u4fdd\u5b58\u5728\u7b2c\u4e8c\u53f0Memcached\u670d\u52a1\u5668\u4e0a\uff0c\u90a3\u4e48\u5b58\u53d6\u6570\u636e\u65f6\u90fd\u4f1a\u6309\u7167UserID\u6765\u8fdb\u884c\u76f8\u5e94\u7684\u8f6c\u6362\u548c\u5b58\u53d6\u3002\r\n \u4f46\u662f\u8fd9\u6837\u4e5f\u6709\u7f3a\u70b9\uff0c\u5c31\u662f\u9700\u8981\u5bf9UserID\u8fdb\u884c\u5224\u65ad\uff0c\u5982\u679c\u4e1a\u52a1\u4e0d\u4e00\u81f4\uff0c\u6216\u8005\u662f\u5176\u4ed6\u7c7b\u578b\u7684\u5e94\u7528\uff0c\u53ef\u80fd\u4e0d\u662f\u90a3\u4e48\u5408\u9002\uff0c\u6b64\u65f6\u53ef\u4ee5\u6839\u636e\u81ea\u5df1\u7684\u5b9e\u9645\u4e1a\u52a1\u6765\u8fdb\u884c\u8003\u8651\uff0c\u6216\u8005\u53bb\u60f3\u66f4\u5408\u9002\u7684\u65b9\u6cd5\r\n \u6b64\u5916\uff0c\u8fd8\u53ef\u4ee5\u5728\u5e94\u7528\u670d\u52a1\u5668\u4e0a\u901a\u8fc7\u7a0b\u5e8f\u7528\u54c8\u5e0c\u7b97\u6cd5\u6216\u4e00\u81f4\u6027\u54c8\u5e0c\u7b97\u6cd5\u8c03\u5ea6Memcached\u670d\u52a1\u5668\uff0c\u6240\u6709Memcached\u670d\u52a1\u5668\u7684\u5730\u5740\u6c60\u53ef\u4ee5\u7b80\u5355\u5730\u914d\u5728\u6bcf\u4e2a\u7a0b\u5e8f\u7684\u914d\u7f6e\u6587\u4ef6\u91cc\u3002\u5e76\u4e14\u53ef\u5728\u8d1f\u8f7d\u5747\u8861\u5668\u4e0a\u4f7f\u7528\u54c8\u5e0c\u7b97\u6cd5\u6216\u4e00\u81f4\u6027\u54c8\u5e0c\u7b97\u6cd5\uff0c\u4e0d\u8fc7\u6b64\u65f6\u9700\u8981\u8d1f\u8f7d\u5747\u8861\u5668\u7684\u652f\u6301\u3002\r\n<\/pre>\n\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\u5206\u5e03\u5f0f\u7f13\u5b58\u96c6\u7fa4\u8bbe\u8ba1\u601d\u60f3<\/li>\n<\/ol>\n1\uff09\u6bcf\u4e00\u53f0Memcached\u670d\u52a1\u5668\u7684\u5185\u5bb9\u90fd\u662f\u4e0d\u4e00\u6837\u7684\u3002\u8fd9\u4e9bMemcached\u670d\u52a1\u5668\u7f13\u5b58\u7684\u5185\u5bb9\u52a0\u8d77\u6765\u63a5\u8fd1\u6574\u4e2a\u6570\u636e\u5e93\u7684\u6570\u636e\u5bb9\u91cf\u3002
\n2\uff09\u901a\u8fc7\u5728\u5ba2\u6237\u7aef\u7a0b\u5e8f\u6216\u8005Memcached\u7684\u8d1f\u8f7d\u5747\u8861\u5668\u4e0a\u7528hash\u7b97\u6cd5\uff0c\u8ba9\u540c\u4e00\u6570\u636e\u5185\u5bb9\u90fd\u5206\u914d\u5230\u4e00\u4e2aMemcached\u670d\u52a1\u5668\u3002
\n3\uff09\u666e\u901a\u7684hash\u7b97\u6cd5\u5bf9\u4e8e\u8282\u70b9\u5b95\u673a\u4f1a\u5e26\u6765\u5927\u91cf\u7684\u7f13\u5b58\u6570\u636e\u6d41\u52a8\uff08\u5931\u6548\uff09\uff0c\u53ef\u80fd\u4f1a\u5f15\u8d77\u96ea\u5d29\u6548\u5e94\u3002
\n4\uff09\u4e00\u81f4\u6027\u54c8\u5e0c\u7b97\u6cd5\uff08\u8fd8\u53ef\u4ee5\u5e26\u865a\u62df\u8282\u70b9\uff09\u53ef\u4ee5\u8ba9\u7f13\u5b58\u8282\u70b9\u5b95\u673a\u5bf9\u8282\u70b9\u7684\u6570\u636e\u6d41\u52a8\uff08\u5931\u6548\uff09\u964d\u5230\u6700\u4f4e\u3002<\/p>\n
\n\u5206\u5e03\u5f0fMemcached\u7f13\u5b58\u96c6\u7fa4\u7684\u8c03\u5ea6\u7b97\u6cd5<\/li>\n<\/ol>\n\uff081\uff09\u53d6\u6a21\u8ba1\u7b97hash<\/p>\n
\u4f18\u70b9\uff1a\u7b80\u5355\uff0c\u5206\u6563\u6027\u4f18\u79c0
\n\u7f3a\u70b9\uff1a\u6dfb\u52a0\/\u5220\u9664\u670d\u52a1\u5668\u65f6\uff0c\u7f13\u5b58\u91cd\u7ec4\u4ee3\u4ef7\u5de8\u5927\uff0c\u5f71\u54cd\u547d\u4e2d\u7387<\/p>\n
\u4f8b\uff1a\u5c0626\u4e2a\u5b57\u6bcd\u7f13\u5b58\u5230\u4e863\u4e2a\u8282\u70b9\uff0c\u6b64\u65f6\u65b0\u589e\u52a0\u4e00\u4e2a\u8282\u70b9\uff0c\u8bbf\u95ee\u547d\u4e2d\u7387\u5c06\u4e0b\u964d23%\u5982\u4e0b\u8868\uff1a<\/p>\n
<\/p>\n
\uff082\uff09Consistent hash\uff08\u4e00\u81f4\u6027\u54c8\u5e0c\u7b97\u6cd5\uff09<\/p>\n
 \u4e00\u81f4\u6027\u54c8\u5e0c\u7b97\u6cd5\uff08consistent hash\uff09\u662f\u4e00\u79cd\u7279\u6b8a\u7684hash\u7b97\u6cd5\uff0c\u7b80\u5355\u5730\u8bf4\uff0c\u5728\u79fb\u9664\u4ee5\u53ca\u6dfb\u52a0\u4e00\u4e2acache\u8282\u70b9\u65f6\uff0c\u5b83\u80fd\u591f\u5c3d\u53ef\u80fd\u5c0f\u5730\u6539\u53d8\u5df2\u5b58\u5728key\u7684\u6620\u5c04\u5173\u7cfb\uff0c\u8ba9\u7f13\u5b58\u670d\u52a1\u5668\u7f13\u5b58\u7684\u5185\u5bb9\u53d7\u5230\u7684\u5f71\u54cd\u6700\u5c0f\u3002\r\n consistent hash\u7b97\u6cd5\u539f\u7406\u5982\u4e0b\u56fe\u6240\u793a\uff0c\u9996\u5148\u73b0\u8c61\u4e00\u4e2a0~2^32-1\u6b21\u65b9\u7684\u6570\u503c\u7a7a\u95f4\uff0c\u5c06\u8fd9\u4e2a\u7a7a\u95f4\u60f3\u8c61\u6210\u4e00\u4e2a\u9996\uff080\uff09\u5c3e\uff082^32-1\uff09\u76f8\u63a5\u7684\u5706\u73af\uff0c\u7136\u540e\u7b97\u51fa\u4e0d\u540cMemcached\u670d\u52a1\u5668\u8282\u70b9\u7684\u54c8\u5e0c\u503c\uff080~\uff082^32-1\uff09\u4e4b\u95f4\uff09\uff0c\u5c06\u8fd9\u4e9b\u503c\u5206\u6563\u5230\u4e0a\u8ff0\u7684\u5706\u73af\u4e0a\uff0c\u63a5\u7740\u7528\u540c\u6837\u7684\u65b9\u6cd5\u7b97\u51fa\u5b58\u50a8\u4e0d\u540c\u6570\u636e\u7684\u952e\u7684\u54c8\u5e0c\u503c\u5e76\u6620\u5c04\u5230\u76f8\u540c\u7684\u5706\u73af\u4e0a\uff0c\u6700\u540e\u4ece\u6570\u636e\u6620\u5c04\u5230\u7684\u4f4d\u7f6e\u5f00\u59cb\u987a\u65f6\u9488\u67e5\u627e\uff0c\u5c06\u952e\u5bf9\u5e94\u7684\u6570\u636e\u4fdd\u5b58\u5230\u67e5\u627e\u5230\u7684\u7b2c\u4e00\u4e2a\u670d\u52a1\u5668\u4e0a\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a\r\n<\/pre>\n\n<\/li>\n<\/ul>\n\u5047\u5982\u6211\u4eec\u8981\u6dfb\u52a0node5\u670d\u52a1\u5668\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n
<\/p>\n
 \u53ef\u4ee5\u770b\u5230\u6dfb\u52a0node5\u670d\u52a1\u5668\u540e\uff0c\u7f13\u5b58\u7684\u6570\u636e\u53ea\u5f71\u54cdnode2\u5230node5\u4e4b\u95f4\u7684\u6570\u636e\u8303\u56f4\uff0c\u5373node4\u7684\u4e00\u90e8\u5206\u6570\u636e\uff0c\u7f13\u5b58\u5230\u4e86node5\uff0c\u5176\u4ed6\u7684\u7f13\u5b58\u670d\u52a1\u5668\u6ca1\u6709\u53d7\u5230\u5f71\u54cd\uff0c\u5f53\u79fb\u9664\u670d\u52a1\u5668\u65f6\uff0c\u539f\u7406\u548c\u6dfb\u52a0\u670d\u52a1\u5668\u65f6\u4e00\u6837\uff0c\u4e0d\u518d\u8d58\u8ff0\u3002\r\n \u8fd9\u5c31\u662f\u4e00\u81f4\u6027\u54c8\u5e0c\u7b97\u6cd5\u7684\u4f5c\u7528\uff0c\u53ef\u4ee5\u6700\u5927\u9650\u5ea6\u5730\u51cf\u5c11\u952e\u7684\u91cd\u65b0\u5206\u5e03\u3002\u8be5\u7b97\u6cd5\u7684\u5b9e\u73b0\u65b9\u6cd5\u8fd8\u53ef\u4ee5\u91c7\u7528\u66f4\u597d\u7684\u865a\u62df\u8282\u70b9\u7684\u7b56\u7565\u601d\u8def\uff0c\u4e00\u81f4\u6027\u54c8\u5e0c\u7b97\u6cd5\u53ef\u4ee5\u901a\u8fc7\u5728\u524d\u7aef\u4f7f\u7528\u7a0b\u5e8f\u5b9e\u73b0\u6216\u8005\u901a\u8fc7\u8d1f\u8f7d\u5747\u8861\u5668\u5b9e\u73b0\u3002\r\n<\/pre>\n\n<\/li>\n<\/ul>\n<\/a>Memcached\u5728\u96c6\u7fa4\u4e2dsession\u5171\u4eab\u6848\u4f8b<\/h4>\n\nMemcached\u5728\u96c6\u7fa4\u4e2d\u7684session\u5171\u4eab\u5b58\u50a8\u5b9e\u6218<\/li>\n<\/ol>\n\u4ee5\u4e0b\u662fPHP Web\u73af\u5883\u96c6\u7fa4\u7684session\u5171\u4eab\u5b58\u50a8\u8bbe\u7f6e\u3002<\/p>\n
#\u9ed8\u8ba4php.ini\u4e2dsession\u7684\u7c7b\u578b\u548c\u914d\u7f6e\u8def\u5f84\u4e3a\uff1a\r\n[root@LNMP ~]# awk '\/session.save_handler\/{print NR,$0}\/session.save_path\/{print NR,$0}' \/usr\/local\/php\/lib\/php.ini \r\n1461 session.save_handler = files #\u4fee\u6539\u672c\u884c\u6570\u636e\r\n1469 ; session.save_path = \"N;\/path\"\r\n1485 ; session.save_path = \"N;MODE;\/path\"\r\n1490 ;session.save_path = \"\/tmp\" #\u4fee\u6539\u672c\u884c\u6570\u636e\r\n1566 ; (see session.save_path above), then garbage collection does *not*\r\n\r\n#\u4fee\u6539\u6210\u5982\u4e0b\u914d\u7f6e\uff1a\r\n[root@LNMP ~]# sed -n '1461p;1490p' \/usr\/local\/php\/lib\/php.ini\r\nsession.save_handler = memcache\r\nsession.save_path = \"tcp:\/\/192.168.146.160:11211\"\r\n\r\n#\u91cd\u542fphp-fpm\u670d\u52a1\r\n[root@LNMP ~]# pkill php-fpm\r\n[root@LNMP ~]# netstat -antup | grep 9000\r\n[root@LNMP ~]# \/usr\/local\/php\/sbin\/php-fpm \r\n[root@LNMP ~]# netstat -antup | grep 9000\r\ntcp 0 0 127.0.0.1:9000 0.0.0.0:* LISTEN 1393\/php-fpm \r\n<\/code><\/pre>\n\n<\/li>\n<\/ul>\n\u8bf4\u660e\uff1a
\n192.168.146.160\uff1a11211\u4e3aMemcached\u6570\u636e\u5e93\u7f13\u5b58\u7684IP\u53ca\u7aef\u53e3
\n\u4e0a\u8ff0\u914d\u7f6e\u9002\u5408LNMP\/LAMP\u73af\u5883
\nMemcached\u670d\u52a1\u5668\u4e5f\u53ef\u4ee5\u662f\u591a\u53f0\uff0c\u5e76\u4e14\u53ef\u901a\u8fc7hash\u7b97\u6cd5\u8c03\u5ea6
\n\u914d\u7f6e\u5b8c\u6bd5\u901a\u8fc7phpinfo\u9875\u9762\u67e5\u770b\u6548\u679c\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n
<\/p>\n
\nMemcached\u5728\u96c6\u7fa4\u4e2d\u7684session\u5171\u4eab\u5b58\u50a8\u7684\u4f18\u7f3a\u70b9<\/li>\n<\/ol>\n\u4f18\u70b9\uff1a<\/p>\n
1\uff09\u8bfb\u5199\u901f\u5ea6\u4e0a\u4f1a\u6bd4\u666e\u901afiles\u901f\u5ea6\u5feb\u5f88\u591a
\n2\uff09\u53ef\u4ee5\u89e3\u51b3\u591a\u4e2a\u670d\u52a1\u5668\u5171\u7528session\u7684\u96be\u9898<\/p>\n
\u7f3a\u70b9\uff1a<\/p>\n
1\uff09session\u6570\u636e\u90fd\u4fdd\u5b58\u5728memory\u4e2d\uff0c\u6301\u4e45\u5316\u65b9\u9762\u6709\u6240\u6b20\u7f3a\uff0c\u4f46\u5bf9session\u6570\u636e\u6765\u8bf4\u4e0d\u662f\u95ee\u9898\u3002
\n2\uff09\u4e00\u822c\u662f\u5355\u53f0\uff0c\u5982\u679c\u90e8\u7f72\u591a\u53f0\uff0c\u591a\u53f0\u4e4b\u95f4\u65e0\u6cd5\u6570\u636e\u540c\u6b65\u3002\u901a\u8fc7hash\u7b97\u6cd5\u5206\u914d\u4f9d\u7136\u6709session\u4e22\u5931\u7684\u95ee\u9898\u3002<\/p>\n
\u5bf9\u4e8e\u4e0a\u9762\u7684\u7f3a\u70b9\uff0c\u89e3\u51b3\u601d\u8def\u5982\u4e0b\uff1a<\/p>\n
1\uff09\u53ef\u4ee5\u7528\u5176\u4ed6\u7684\u6301\u4e45\u5316\u7cfb\u7edf\u5b58\u50a8sessions\uff0c\u4f8b\u5982\uff1aredis\uff0cttserver\u6765\u66ff\u4ee3Memcached
\n2\uff09\u9ad8\u6027\u80fd\u9ad8\u5e76\u53d1\u573a\u666f\uff0ccookies\u6548\u7387\u6bd4session\u8981\u597d\u5f88\u591a\uff0c\u56e0\u6b64\uff0c\u5927\u7f51\u7ad9\u90fd\u4f1a\u7528cookies\u89e3\u51b3\u4f1a\u8bdd\u5171\u4eab\u95ee\u9898
\n3\uff09\u6709\u7684\u5df2\u7ecf\u5c31\u4e1a\u4e86\u7684\u540c\u5b66\u901a\u8fc7\u727a\u7272LB\u7684\u8d1f\u8f7d\u5747\u8861\u7684\u7b56\u7565\u5b9e\u73b0\uff0c\u4f8b\u5982\uff1alvs-p,nginx ip_hash\u7b49\uff0c\u4f46\u8fd9\u4e9b\u4e0d\u662f\u597d\u7684\u65b9\u6cd5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
Memcached\u4ecb\u7ecd Memcached\u4e0e\u5e38\u89c1\u540c\u7c7b\u8f6f\u4ef6\u5bf9\u6bd4 \uff081\uff09Memcached Memcached\u662f\u4e00 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[421,16,171,153,390,415,350],"class_list":["post-888","post","type-post","status-publish","format-standard","hentry","category-wordpress","tag-mecached","tag-wordpress","tag-415","tag-350"],"_links":{"self":[{"href":"https:\/\/byy3.com\/index.php?rest_route=\/wp\/v2\/posts\/888","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/byy3.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/byy3.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/byy3.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/byy3.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=888"}],"version-history":[{"count":0,"href":"https:\/\/byy3.com\/index.php?rest_route=\/wp\/v2\/posts\/888\/revisions"}],"wp:attachment":[{"href":"https:\/\/byy3.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=888"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/byy3.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=888"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/byy3.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=888"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}