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Re: squidclient mgr:info

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Hi Yomi,


ICP & HTCP are protocols used between 2 or more cache servers to
communicate and share their data , if you only have one single cache
server then you don't have to worry about ICP or HTCP.

from you squidclient info I can see some bad things like your cache
miss time :        Cache Misses:  51.56862   which is extremely high.

Another thing is the Page faults with physical i/o: 25098   , the
lower this number , the better performance you get...this indicates
that you are using too much RAM and your process is using swap
partition and decreasing performance.



On Sat, Apr 2, 2011 at 6:20 PM, <squid@xxxxxxxxxxxxxxxxxxxxxxx> wrote:
>
> Good day,
> After checking the activities of my squid-cache proxy, i discover that there
> is no activities on ICP and HTCP, why?
> What is the implication of this?
> If they are important to squid performance, how can i implement them?
> Regards,
> Yomi
>
>
> Microsoft Windows [Version 6.1.7601]
> Copyright (c) 2009 Microsoft Corporation.  All rights reserved.
>
> C:\squid\bin>squidclient mgr:info
> HTTP/1.0 200 OK
> Server: squid/2.7.STABLE8
> Date: Sat, 02 Apr 2011 13:40:27 GMT
> Content-Type: text/plain
> Expires: Sat, 02 Apr 2011 13:40:27 GMT
> X-Cache: MISS from ADMIN
> X-Cache-Lookup: MISS from ADMIN:3128
> Via: 1.0 ADMIN:3128 (squid/2.7.STABLE8)
> Connection: close
>
> Squid Object Cache: Version 2.7.STABLE8
>
> Running as squid Windows System Service on Windows Vista
> Service command line is:
> Start Time:     Sat, 02 Apr 2011 10:38:44 GMT
> Current Time:   Sat, 02 Apr 2011 13:40:27 GMT
> Connection information for squid:
>        Number of clients accessing cache:      7
>        Number of HTTP requests received:       15437
>        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:   85.0
>        Average ICP messages per minute since start:    0.0
>        Select loop called: 14516733 times, 0.751 ms avg
> Cache information for squid:
>        Request Hit Ratios:     5min: 5.6%, 60min: 13.6%
>        Byte Hit Ratios:        5min: 47.5%, 60min: 11.2%
>        Request Memory Hit Ratios:      5min: 100.0%, 60min: 67.8%
>        Request Disk Hit Ratios:        5min: 0.0%, 60min: 0.0%
>        Storage Swap size:      91072 KB
>        Storage Mem size:       54680 KB
>        Mean Object Size:       10.76 KB
>        Requests given to unlinkd:      0
> Median Service Times (seconds)  5 min    60 min:
>        HTTP Requests (All):   2.02066  1.05672
>        Cache Misses:         51.56862  1.24267
>        Cache Hits:            0.00000  0.00000
>        Near Hits:             0.00000  0.61549
>        Not-Modified Replies:  0.00000  0.00000
>        DNS Lookups:           0.09117  0.26619
>        ICP Queries:           0.00000  0.00000
> Resource usage for squid:
>        UP Time:        10902.873 seconds
>        CPU Time:       10220.328 seconds
>        CPU Usage:      93.74%
>        CPU Usage, 5 minute avg:        93.70%
>        CPU Usage, 60 minute avg:       94.06%
>        Maximum Resident Size: 91776 KB
>        Page faults with physical i/o: 25098
> Memory accounted for:
>        Total accounted:        63592 KB
>        memPoolAlloc calls: 2900352005
>        memPoolFree calls: 2900133281
> File descriptor usage for squid:
>        Maximum number of file descriptors:   2048
>        Largest file desc currently in use:    120
>        Number of file desc currently in use:   22
>        Files queued for open:                   0
>        Available number of file descriptors: 2026
>        Reserved number of file descriptors:   100
>        Store Disk files open:                   0
>        IO loop method:                     select
> Internal Data Structures:
>         20387 StoreEntries
>          6133 StoreEntries with MemObjects
>          6131 Hot Object Cache Items
>          8461 on-disk objects
>
> C:\squid\bin>



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