[squid-users] Re: Mem Cache flush

Ooops.. forgot to post the link of graph...

http://vianet.com.np/cache/

Thanks
Manoj

On Fri, 18 Jan 2008, Manoj_Rajkarnikar wrote:

> Hi all.
>
> I'm having an issue with our cache. its a 2.6S17 on centOS 4 x86_64 with 3GB
> Ram 2x36GB scsi disk for cache_dir and separate SATA 80GB for system. It seem
> to flush the mem cache for no apparent reason.. nothing in the cache log
> around the time of occurance... please see the graph in the following link..
> it has done it twice in 10 days. we've not encountered such issue.
>
> relative squid.conf settings follows:
>
> cache_mem 1024 MB
> maximum_object_size_in_memory 16 KB
> cache_replacement_policy heap LRU
>
> cache_dir aufs /sda1/cache0 8000 20 256
> cache_dir aufs /sda1/cache1 8000 20 256
> cache_dir aufs /sda1/cache2 8000 20 256
> cache_dir aufs /sda1/cache3 8000 20 256
> cache_dir aufs /sdb1/cache0 8000 20 256
> cache_dir aufs /sdb1/cache1 8000 20 256
> cache_dir aufs /sdb1/cache2 8000 20 256
> cache_dir aufs /sdb1/cache3 8000 20 256
>
> maximum_object_size 18432 KB
>
> cache_swap_low 95
> cache_swap_high 97
>
> access_log /usr/local/squid/var/logs/access.log squid
> cache_store_log none
> logfile_rotate 7
>
>
> 2 36GB scsi disks are mounted on /sda1 and /sdb1 as
>
> /dev/sda1 on /sda1 type reiserfs (rw,noatime,notail)
> /dev/sdb1 on /sdb1 type reiserfs (rw,noatime,notail)
>
> I can see lots of entries in cache.log that looks like:
>
> 2008/01/18 09:24:18| storeLocateVary: Not our vary marker object,
> 1B384B5F6E91A0FE402D4DA6F9B067B0 =
> 'http://x.tagstat.com/js/announcements.js',
> 'accept-encoding="gzip,%20deflate"'/'gzip, deflate'
>
> Any suggestions please..
>
> Thanks
> Manoj
>

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