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Re: Fwd: Squid, SNMP and MRTG

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> 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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