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Re: output of squidclient mgr:info

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On Wed, 04 Nov 2009 14:55:09 -0300, Guido Marino Lorenzutti
<glorenzutti@xxxxxxxxxxxxxxxx> wrote:
> Hi people: Can someone explain to me why some of the values of memory  
> usage are negative? Is this bad or bug?

32-bit signed/unsigned bug. Fixed in later releases.

Amos

> 
> Tnxs in advance.
> 
> squidclient mgr:info
> HTTP/1.0 200 OK
> Server: squid
> Date: Wed, 04 Nov 2009 17:53:10 GMT
> Content-Type: text/plain
> Expires: Wed, 04 Nov 2009 17:53:10 GMT
> X-Cache: MISS from MYPROXY.MYDOMAIN
> X-Cache-Lookup: MISS MYPROXY.MYDOMAIN:3128
> Via: 1.0 MYPROXY.MYDOMAIN:3128 (squid)
> Connection: close
> 
> Squid Object Cache: Version 2.7.STABLE3
> Start Time:     Tue, 03 Nov 2009 09:29:10 GMT
> Current Time:   Wed, 04 Nov 2009 17:53:10 GMT
> Connection information for squid:
>          Number of clients accessing cache:      60
>          Number of HTTP requests received:       2661619
>          Number of ICP messages received:        0
>          Number of ICP messages sent:    0
>          Number of queued ICP replies:   0
>          Number of HTCP messages received:       0
>          Number of HTCP messages sent:   0
>          Request failure ratio:   0.00
>          Average HTTP requests per minute since start:   1369.1
>          Average ICP messages per minute since start:    0.0
>          Select loop called: 23992429 times, 4.862 ms avg
> Cache information for squid:
>          Request Hit Ratios:     5min: 20.2%, 60min: 20.2%
>          Byte Hit Ratios:        5min: 42.3%, 60min: 44.7%
>          Request Memory Hit Ratios:      5min: 27.7%, 60min: 30.6%
>          Request Disk Hit Ratios:        5min: 24.2%, 60min: 29.5%
>          Storage Swap size:      10023288 KB
>          Storage Mem size:       2088020 KB
>          Mean Object Size:       22.72 KB
>          Requests given to unlinkd:      0
> Median Service Times (seconds)  5 min    60 min:
>          HTTP Requests (All):   0.01235  0.01235
>          Cache Misses:          0.42149  0.42149
>          Cache Hits:            0.00286  0.00286
>          Near Hits:             0.05331  0.04519
>          Not-Modified Replies:  0.00179  0.00286
>          DNS Lookups:           0.18639  0.19488
>          ICP Queries:           0.00000  0.00000
> Resource usage for squid:
>          UP Time:        116639.811 seconds
>          CPU Time:       242.047 seconds
>          CPU Usage:      0.21%
>          CPU Usage, 5 minute avg:        0.33%
>          CPU Usage, 60 minute avg:       0.38%
>          Process Data Segment Size via sbrk(): 1040852 KB
>          Maximum Resident Size: 0 KB
>          Page faults with physical i/o: 0
> Memory usage for squid via mallinfo():
>          Total space in arena:  -1750572 KB
>          Ordinary blocks:       -1751323 KB    115 blks
>          Small blocks:               0 KB      0 blks
>          Holding blocks:          1424 KB      2 blks
>          Free Small blocks:          0 KB
>          Free Ordinary blocks:     750 KB
>          Total in use:          -1749899 KB 100%
>          Total free:               750 KB 0%
>          Total size:            -1749148 KB
> Memory accounted for:
>          Total accounted:       2341512 KB
>          memPoolAlloc calls: 330657904
>          memPoolFree calls: 325390289
> File descriptor usage for squid:
>          Maximum number of file descriptors:   1024
>          Largest file desc currently in use:    676
>          Number of file desc currently in use:  556
>          Files queued for open:                   0
>          Available number of file descriptors:  468
>          Reserved number of file descriptors:   100
>          Store Disk files open:                   1
>          IO loop method:                     epoll
> Internal Data Structures:
>          443803 StoreEntries
>          148194 StoreEntries with MemObjects
>          148140 Hot Object Cache Items
>          441238 on-disk objects

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