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Re: Fwd: Squid, SNMP and MRTG

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some graphs are polled from the server not squid server.

On 12/26/07, Indunil Jayasooriya <indunil75@xxxxxxxxx> wrote:
> > You need the SNMP OIDs for graphing Squid MRTG.
> >
> > Put something like the below in your mrtg.cfg file:
> >
> >
> > Target[1cacheServerRequests]:
> > cacheServerRequests&cacheServerRequests:public@localhost:3001
> > MaxBytes[1cacheServerRequests]: 10000000
> > Title[1cacheServerRequests]: Server Requests @ cacheproxy88
> > Options[1cacheServerRequests]:  nopercent
> > PageTop[1cacheServerRequests]: <h1>Server Requests @ cacheproxy88</h1>
> > YLegend[1cacheServerRequests]: requests/sec
> > ShortLegend[1cacheServerRequests]: req/s
> > LegendI[1cacheServerRequests]: Requests&nbsp;
> > LegendO[1cacheServerRequests]:
> > Legend1[1cacheServerRequests]: Requests
> > Legend2[1cacheServerRequests]:
> >
> >
> > Target[2cacheHttpInOutKb]:
> > cacheHttpInKb&cacheHttpOutKb:public@localhost:3001 * 1024 * 8
> > MaxBytes[2cacheHttpInOutKb]: 1000000000
> > Title[2cacheHttpInOutKb]: HTTP In/Out Traffic @ cacheproxy88
> > Options[2cacheHttpInOutKb]:  nopercent
> > PageTop[2cacheHttpInOutKb]: <h1>HTTP In/Out Traffic @ cacheproxy88</h1>
> > YLegend[2cacheHttpInOutKb]: Bits/second
> > ShortLegend[2cacheHttpInOutKb]: Bits/s
> > LegendI[2cacheHttpInOutKb]: HTTP In&nbsp;
> > LegendO[2cacheHttpInOutKb]: HTTP Out&nbsp;
> > Legend1[2cacheHttpInOutKb]: HTTP In
> > Legend2[2cacheHttpInOutKb]: HTTP
>
> I added the above 2 to my mrtg.cfg
>
> Now, I can see graphs. But , Some graphs show traffic, some graphs  do not.
>
> for e.g-
>
> Server Requests @ cacheproxy does not show any traffic
>
> HTTP In/Out Traffic @ cacheproxy shows traffic. It is OK.
>
>
> In addition to that, I added some more to mrtg.cfg from below URL.
>
> http://chrismiles.info/unix/mrtg/mrtg-squid.cfg
>
>
>
> the below graphs DO NOT show any traffic.
> HTTP Hits @ 192.1.54.62
> Server Errors @ 192.1.54.62
> HTTP Errors @ 192.1.54.62
> HTTP all service time @ 192.1.54.62
> Current Swap Size @ 192.1.54.62
>
>
> the below graphs show traffic.
> Server In/Out Traffic @ 192.1.54.62
> Storage Mem Size @ 192.1.54.62
> Storage Swap Size @ 192.1.54.62
> HTTP I/O number of reads @ 192.1.54.62
> DNS service time @ 192.1.54.62
>
> Could you pls expalin why? Where have I go wrong?
>
> Anyway, here is the output of squidclient mgr:info
>
> [root@mail mrtg]# squidclient mgr:info
> HTTP/1.0 200 OK
> Server: squid/2.5.STABLE14
> Mime-Version: 1.0
> Date: Wed, 26 Dec 2007 04:51:17 GMT
> Content-Type: text/plain
> Expires: Wed, 26 Dec 2007 04:51:17 GMT
> Last-Modified: Wed, 26 Dec 2007 04:51:17 GMT
> X-Cache: MISS from prxy.test.lk
> Proxy-Connection: close
>
> Squid Object Cache: Version 2.5.STABLE14
> Start Time:     Wed, 26 Dec 2007 02:08:51 GMT
> Current Time:   Wed, 26 Dec 2007 04:51:17 GMT
> Connection information for squid:
>         Number of clients accessing cache:      2
>         Number of HTTP requests received:       2452
>         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:   15.1
>         Average ICP messages per minute since start:    0.0
>         Select loop called: 40980 times, 237.834 ms avg
> Cache information for squid:
>         Request Hit Ratios:     5min: 0.0%, 60min: 21.8%
>         Byte Hit Ratios:        5min: 2.0%, 60min: 3.3%
>         Request Memory Hit Ratios:      5min: 0.0%, 60min: 0.0%
>         Request Disk Hit Ratios:        5min: 0.0%, 60min: 0.0%
>         Storage Swap size:      7008 KB
>         Storage Mem size:       1100 KB
>         Mean Object Size:       11.78 KB
>         Requests given to unlinkd:      738
> Median Service Times (seconds)  5 min    60 min:
>         HTTP Requests (All):   1.46131  0.02742
>         Cache Misses:          1.46131  0.89858
>         Cache Hits:            0.00000  0.00000
>         Near Hits:             0.00000  0.01309
>         Not-Modified Replies:  0.00000  0.00562
>         DNS Lookups:           0.00000  0.77360
>         ICP Queries:           0.00000  0.00000
> Resource usage for squid:
>         UP Time:        9746.421 seconds
>         CPU Time:       4.709 seconds
>         CPU Usage:      0.05%
>         CPU Usage, 5 minute avg:        0.04%
>         CPU Usage, 60 minute avg:       0.04%
>         Process Data Segment Size via sbrk(): 3568 KB
>         Maximum Resident Size: 0 KB
>         Page faults with physical i/o: 0
> Memory usage for squid via mallinfo():
>         Total space in arena:    3568 KB
>         Ordinary blocks:         3511 KB     44 blks
>         Small blocks:               0 KB      0 blks
>         Holding blocks:           208 KB      1 blks
>         Free Small blocks:          0 KB
>         Free Ordinary blocks:      56 KB
>         Total in use:            3719 KB 98%
>         Total free:                56 KB 2%
>         Total size:              3776 KB
> Memory accounted for:
>         Total accounted:         1525 KB
>         memPoolAlloc calls: 378416
>         memPoolFree calls: 370954
> File descriptor usage for squid:
>         Maximum number of file descriptors:   1024
>         Largest file desc currently in use:     21
>         Number of file desc currently in use:   18
>         Files queued for open:                   0
>         Available number of file descriptors: 1006
>         Reserved number of file descriptors:   100
>         Store Disk files open:                   0
> Internal Data Structures:
>            624 StoreEntries
>            235 StoreEntries with MemObjects
>            233 Hot Object Cache Items
>            595 on-disk objects
>
> HOPE to hear from you.
>
>
> --
> Thank you
> Indunil Jayasooriya
>

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