Re: [SQU] HELP: cache_dir size ignored??

Hi,

I have the same questions for 2.3.ST1. The last month, my squid collapsed
because of the same cause. After my research, i have found two way to solve
this problem.
1- Replace replacement policy LRU to LFUDA or
2- Create a little cache_dir to restart squid and then set to 6 (or less)
months to referance_age.

So i have decided to implement the second way. But i dont know did the
problems finish?

Info: cache_dir was set to 1800Mb into the squid.conf
cache_dir slice has 2000MB on the disk.
refresh_pattern: default
referance_age: default (1 year)

I suppose, i will have to change replacement policy after little time
(reconfigure squid according to approtiate options-make-make install). What
do you think about the following questions and my these solutions?

Best regards,
Ilker G.

> Kimden: Alejandrina Pattin [mailto:sikkandra@mail.com]
> Tarih: Thursday, October 26, 2000 3:00 AM
> Kime: squid-users@ircache.net
> Bilgi: rscofield@decise.com
> Konu: [SQU] HELP: cache_dir size ignored??
>
>
> Using 2.3STABLE1...
>
> Configuration is:
>
> cache_mem 256
> cache_swap_low 85
> cache_swap_high 90
> maximum_object_size 16384 KB
> ipcache_size 1024
> ipcache_low 90
> ipcache_high 95
> fdqncache_size 1024
> cache_dir ufs /cache0 21100 256 256
> cache_dir ufs /cache1 21100 256 256
> cache_dir ufs /cache2 21100 256 256
> cache_dir ufs /cache3 21100 256 256
> request_header_max_size 10 KB
> refresh_pattern . 7200 10000% 20160 ignore_reload override_lastmod
> override_expire
>
> (plus acl's)
>
> df reports:
> 1k-Blks Used Available Use%
> /cache0 26454692 22032944 3077916 88%
> /cache1 29561392 22314460 5754260 80%
> /cache2 28532892 22351352 4732112 83%
> /cache3 29561392 22174072 5889328 79%
>
> >From cachemgr:
>
> Store Directory Statistics:
> Store Entries : 4612022
> Maximum Swap Size : 86425600 KB
> Current Store Swap Size: 54266433 KB
> Current Capacity : 63% used, 37% free
>
> Store Directory #0: /cache0
> First level subdirectories: 256
> Second level subdirectories: 256
> Maximum Size: 21606400 KB
> Current Size: 13566650 KB
> Percent Used: 62.79%
> Filemap bits in use: 1150001 of 2097152 (55%)
> Filesystem Space in use: 22036080/26454692 KB (83%)
> Filesystem Inodes in use: 1585510/3361920 (47%)
> Flags: SELECTED
>
> entries for other 3 cache_dir's are similar.
>
> Questions:
>
> (a) Why is squid ignoring the Maximum Size of 21606400KB??
>
> (b) I thought it would have started to replace some entries
> already as it
> has been told to keep it at 85%-90% of the size
>
> (c) Why does cachemgr report "Current Size" to be 13566650 KB
> when df says
> it's really using much more?
>
> (d) The STABLE3 "disk full" patch does not apply to us as we
> are on STABLE1
> (I checked the code; the STABLE3 bug does not appear in STABLE1).
>
> If someone can shed some light, we'd be really grateful. The
> cache is very
> large and we'd hate to lose its contents...
>
>
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