[squid-users] Cache Replacement policies now working

From: Yasir Khan <muhammadaliyasir_at_gmail.com>
Date: Thu, 4 Sep 2008 02:10:31 -0700 (PDT)

Hi all,
I have ten (10) squid-proxies and traffic is blanced using load balancer
(Round Robin). The Problem seem to be of Cache Replacement Policy
(Algorithem) as all the cache sizes are upto 90% filled. here are disk
strucutre on eache cache server.

Filesystem Size Used Avail Use% Mounted on
/dev/cciss/c0d0p6 29G 22G 5.6G 80% /cache1
/dev/cciss/c0d0p5 29G 22G 5.8G 79% /cache2
/dev/cciss/c0d0p3 29G 22G 5.8G 79% /cache3
/dev/cciss/c0d0p2 29G 21G 6.1G 78% /cache4
***********************************************
and here is squid.conf configuration for allocating disk size to chache

cache_swap_low 90
cache_swap_high 95

maximum_object_size 20480 KB
maximum_object_size_in_memory 100 KB

ipcache_size 10240

cache_replacement_policy heap LFUDA
memory_replacement_policy heap LFUDA

cache_dir diskd /cache1 25000 16 256 Q1=72 Q2=64
cache_dir diskd /cache2 25000 16 256 Q1=72 Q2=64
cache_dir diskd /cache3 25000 16 256 Q1=72 Q2=64
cache_dir diskd /cache4 25000 16 256 Q1=72 Q2=64

************************************************
and here what i am getting in cache.log

2008/09/04 14:11:30| storeSwapOutFileClosed: dirno 3, swapfile 000807C6,
errflag=FFFFFFFF
2008/09/04 14:11:30| (9) Bad file descriptor
2008/09/04 14:11:30| storeSwapOutFileClosed: dirno 3, swapfile 000807C7,
errflag=FFFFFFFF
2008/09/04 14:11:30| (9) Bad file descriptor
2008/09/04 14:11:30| storeSwapOutFileClosed: dirno 3, swapfile 000807C1,
errflag=FFFFFFFF
2008/09/04 14:11:30| (9) Bad file descriptor
2008/09/04 14:11:31| storeSwapOutFileClosed: dirno 3, swapfile 000807C2,
errflag=FFFFFFFF
2008/09/04 14:11:31| (9) Bad file descriptor
2008/09/04 14:11:33| storeSwapOutFileClosed: dirno 3, swapfile 000807C3,
errflag=FFFFFFFF
2008/09/04 14:11:33| (9) Bad file descriptor

********************************************************************
Main problem is that there is no hits all the traffic is passing as it is..
please help in resolving this issue ..

regards
Yasir Khan

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