手动清除memcached缓存
软件版本
memcached-1.4.5
memcache-3.0.5
php-5.2.11
1.查memcache状态
/usr/bin/perl /usr/local/src/memcached-1.4.5/scripts/memcached-tool localhost:11211
或者
telnet localhost 11211
2.手动清除memcached测试
1). flush_all
echo "flush_all" | nc localhost 11211
# telnet localhost 11211
Trying 127.0.0.1...
Connected to localhost.localdomain (127.0.0.1).
Escape character is '^]'.
get var_key
VALUE var_key 0 13
test variable
END
flush_all
OK
get var_key
END
quit
Connection closed by foreign host.
2). 重启memcached进程
kill $(ps aux|grep memcached|grep -v grep |awk '{print $2}')
/usr/local/memcached/bin/memcached -d -m 256 -p 11211 -u nobody3)Memcache::flush() immediately invalidates all
existing items.
/*proceduralAPI*/$memcache_obj=memcache_connect('memcache_host',11211);memcache_flush($memcache_obj);/*OOAPI*/$memcache_obj=newMemcache;$memcache_obj->connect('memcache_host',11211);$memcache_obj->flush();?>这个测试的表现是请求Memcache::flush()以后仍可以get $key取到值,而且通过memcached-tool 查到该item的max_age并无变化.参考链接MicrosoftInternetExplorer402DocumentNotSpecified7.8Normal0
理解Memcache的服务器端与客户端
