squid 缓存原理_squid缓存管理员_redis缓存原理与实现(11)

Holding blocks: 37528 KB 6 blks

Free Small blocks: 0 KB

Free Ordinary blocks: 138 KB

Total in use: 41201 KB 100%

Total free: 138 KB 0%

Total size: 41340 KB

Memory accounted for:

Total accounted: 0 KB 0%

memPool accounted: 0 KB 0%

memPool unaccounted: 41340 KB 100%

memPoolAlloc calls: 0

memPoolFree calls: 0

File descriptor usage for squid:

Maximum number of file descriptors: 64000

Largest file desc currently in use: 18

Number of file desc currently in use: 13

Files queued for open: 0

Available number of file descriptors: 63987

Reserved number of file descriptors: 100

Store Disk files open: 0

Internal Data Structures:

697 StoreEntries

27 StoreEntries with MemObjects

26 Hot Object Cache Items

671 on-disk objects

查看squid命中率：cat /usr/local/squid/var/logs/access.log |awk '{print $4}' |sort |uniq -c|sort -nr

[root@squid etc]# cat /usr/local/squid/var/logs/access.log.1 |awk '{print $4}' |sort |uniq -c|sort -nr

26854 TCP_MISS/200

831 TCP_MISS/503

455 TCP_MISS/304

390 TCP_MISS/404

153 TCP_MISS/504

77 TCP_CLIENT_REFRESH_MISS/200

50 TCP_DENIED/403

35 TCP_REFRESH_UNMODIFIED/304

21 TCP_MISS/302

20 TCP_MISS/000

16 TCP_MISS/502

12 TCP_MISS/206

9 TCP_MISS/403

6 TCP_REFRESH_MODIFIED/200

1 TCP_CLIENT_REFRESH_MISS/000

四、清理squid缓存

acl PURGE method PURGE #定义一个PURGE方法

http_access allow PURGE localhost #允许localhost使用PURGE方法

http_access deny PURGE #禁止其他任何服务器使用PURGE方法

2）重启squid

killall squid

squid -k parse

squid -D

3)使用squidclient命令清除squid缓存

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