1. Squidclient 的基本的使用方法
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squidclient -p 80 mgr:info #取得squid运行状态信息：
squidclient -p 80 mgr:mem #取得squid内存使用情况：
squidclient -p 80 mgr:objects. use it carefully,it may crash #取得squid已经缓存的列表：
squidclient -p 80 mgr:diskd #取得squid的磁盘使用情况：
squidclient -p 80 -m PURGE http://www.php-oa.com/static.php #强制更新某个url
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更多的请查看：squidclient -h 或者 squidclient -p 80 mgr:
2. 如何得知 squid 执行中的状态？
还有一个容易的方法,就是使用 cachemgr.cgi 这个安装好 squid 后就有,只要在 apache 配置一下
要查看 Cache Manager 时,只要用下面的方法,就行了,我以后晚点介绍一下这个
http://IP/cgi-bin/cachemgr.cgi
当然,我更加喜欢命令使用下面的方法
1
squidclient -t 1 -h localhost -p 80 mgr:inf #这样也行
下面是一些基本内容
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Squid Object Cache: Version 2.6 //Squid的版本 HTTP/1.0 200 OK Date: Tue, 11 Mar 2008 16:08:14 GMT Content-Type: text/plain Expires: Tue, 11 Mar 2008 16:08:14 GMT Last-Modified: Tue, 11 Mar 2008 16:08:14 GMT Connection: close Squid Object Cache: Version 2.6.STABLE6 Start Time: Tue, 11 Mar 2008 10:21:47 GMT Current Time: Tue, 11 Mar 2008 16:08:14 GMT Connection information for squid: Number of clients accessing cache: 2023 #使用proxy的电脑数量 Number of HTTP requests received: 81787 #客户端http要求数量 Number of ICP messages received: 0 #接受到的icp query数量 Number of ICP messages sent: 0 #发出icp query数量 Number of queued ICP replies: 0 Request failure ratio: 0.00 Average HTTP requests per minute since start: 236.1 #每分钟http request的数量 Average ICP messages per minute since start: 0.0 Select loop called: 24789642 times, 0.839 ms avg Cache information for squid: Request Hit Ratios: 5min: 99.6%, 60min: 98.7% #Cache Request命中率 Byte Hit Ratios: 5min: 100.0%, 60min: 100.0% #Cache Byte命中率 Request Memory Hit Ratios: 5min: 1.6%, 60min: 1.2% Request Disk Hit Ratios: 5min: 82.0%, 60min: 90.5% Storage Swap size: 7723212 KB #存放cache的硬盘使用 Storage Mem size: 7992 KB #存放cache的内存使用 Mean Object Size: 264.01 KB #平均的对象大小 Requests given to unlinkd: 279 Median Service Times (seconds) 5 min 60 min: HTTP Requests (All): 2.94900 3.46762 Cache Misses: 0.03427 0.03427 Cache Hits: 5.06039 4.79440 Near Hits: 0.30459 0.35832 Not-Modified Replies: 0.00179 0.00179 DNS Lookups: 0.00000 0.00000 ICP Queries: 0.00000 0.00000 Resource usage for squid: UP Time: 20787.011 seconds CPU Time: 128.799 seconds CPU Usage: 0.62% CPU Usage, 5 minute avg: 0.44% CPU Usage, 60 minute avg: 0.51% Process Data Segment Size via sbrk(): 34292 KB Maximum Resident Size: 0 KB Page faults with physical i/o: 0 Memory usage for squid via mallinfo(): Total space in arena: 34424 KB Ordinary blocks: 27031 KB 8599 blks Small blocks: 0 KB 0 blks Holding blocks: 6152 KB 2 blks Free Small blocks: 0 KB Free Ordinary blocks: 7392 KB Total in use: 33183 KB 82% Total free: 7392 KB 18% Total size: 40576 KB Memory accounted for: #内存使用状态 Total accounted: 21777 KB memPoolAlloc calls: 15446992 memPoolFree calls: 15337015 File descriptor usage for squid: Maximum number of file descriptors: 16384 系统最大file descriptor数 Largest file desc currently in use: 1165 目前使用file descriptor最大值 Number of file desc currently in use: 571 目前正在使用的file descriptor数 Files queued for open: 0 Available number of file descriptors: 15813 Reserved number of file descriptors: 100 Store Disk files open: 266 IO loop method: epoll Internal Data Structures: 29315 StoreEntries #Cache中存放的 object 的数量 190 StoreEntries with MemObjects #内存中 object 数量 176 Hot Object Cache Items #热点的 object 的数量 29253 on-disk objects # 不在硬盘上的 object 的数量
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