[squid-users] Acceptable Service Times?

Hi,

I have a pair of forward proxy's (Squid 2.6STABLE 21/EL5 averaging about
500-600requests per minute currently. All caching has been disabled.
Some users are reporting high latency and slow browsing. Below is a
snapshot of stats from Squid. Could someone tell me if anything stands
out that would cause a problem? Service times look to be acceptable to
me, but perhaps I am looking at them incorrectly?

You can also view a graph of 5min service times at
http://thunder.jbdesign.net/~jbaird/servicetimes.png

Squid Object Cache: Version 2.6.STABLE21
Start Time: Sun, 27 Jun 2010 15:17:41 GMT
Current Time: Mon, 28 Jun 2010 20:04:09 GMT
Connection information for squid:
        Number of clients accessing cache: 5
        Number of HTTP requests received: 848091
        Number of ICP messages received: 0
        Number of ICP messages sent: 0
        Number of queued ICP replies: 0
        Request failure ratio: 0.00
        Average HTTP requests per minute since start: 491.2
        Average ICP messages per minute since start: 0.0
        Select loop called: 20321720 times, 5.097 ms avg
Cache information for squid:
        Request Hit Ratios: 5min: 0.0%, 60min: 0.0%
        Byte Hit Ratios: 5min: 0.7%, 60min: 1.0%
        Request Memory Hit Ratios: 5min: 0.0%, 60min: 0.0%
        Request Disk Hit Ratios: 5min: 0.0%, 60min: 0.0%
        Storage Swap size: 0 KB
        Storage Mem size: 288 KB
        Mean Object Size: 0.00 KB
        Requests given to unlinkd: 0
Median Service Times (seconds) 5 min 60 min:
        HTTP Requests (All): 0.06286 0.05633
        Cache Misses: 0.06286 0.05633
        Cache Hits: 0.00000 0.00000
        Near Hits: 0.00000 0.00000
        Not-Modified Replies: 0.00000 0.00000
        DNS Lookups: 0.00573 0.00669
        ICP Queries: 0.00000 0.00000
Resource usage for squid:
        UP Time: 103588.205 seconds
        CPU Time: 493.167 seconds
        CPU Usage: 0.48%
        CPU Usage, 5 minute avg: 1.35%
        CPU Usage, 60 minute avg: 1.63%
        Process Data Segment Size via sbrk(): 17996 KB
        Maximum Resident Size: 0 KB
        Page faults with physical i/o: 0
Memory usage for squid via mallinfo():
        Total space in arena: 18128 KB
        Ordinary blocks: 14029 KB 213 blks
        Small blocks: 0 KB 0 blks
        Holding blocks: 356 KB 1 blks
        Free Small blocks: 0 KB
        Free Ordinary blocks: 4098 KB
        Total in use: 14385 KB 78%
        Total free: 4098 KB 22%
        Total size: 18484 KB
Memory accounted for:
        Total accounted: 4184 KB
        memPoolAlloc calls: 116115679
        memPoolFree calls: 116109502
File descriptor usage for squid:
        Maximum number of file descriptors: 1024
        Largest file desc currently in use: 544
        Number of file desc currently in use: 408
        Files queued for open: 0
        Available number of file descriptors: 616
        Reserved number of file descriptors: 100
        Store Disk files open: 0
        IO loop method: epoll
Internal Data Structures:
            57 StoreEntries
            57 StoreEntries with MemObjects
            26 Hot Object Cache Items
             0 on-disk objects

Thanks,

Josh
Received on Mon Jun 28 2010 - 20:14:51 MDT