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RE: Squid - performance

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Thanks
What parameter do I need to poll to check object hit rate?
There are other parameters also like Byte Hit rate, request Hit ratio
etc. How can I get detail on this. Is there any website for this?

Is it really impossible to get better performance and more caching up to
30%

Thanks - Lokesh

-----Original Message-----
From: Mark Elsen [mailto:mark.elsen@xxxxxxxxx] 
Sent: Wednesday, August 17, 2005 8:53 AM
To: Lokesh Khanna
Cc: squid-users@xxxxxxxxxxxxxxx
Subject: Re:  Squid - performance

On 8/16/05, lokesh.khanna@xxxxxxxxxxxxxxxxx
<lokesh.khanna@xxxxxxxxxxxxxxxxx> wrote:
> Hi
> 
> I am running squid 2-5-10 stable on Redhat 9 as transparent proxy. Box
> is having 2 GB memory.
> As per my squid config
> Cache_mem 256 mb
> maximum_object_size_in_memory 200 KB
> maximum_object_size 1024 KB
> cache_replacement_policy heap GDSF
> memory_replacement_policy heap GDSF
> half_closed_clients off
> 
> 
> I am using 2 Scsi hard disk of 36 GB for cache. I have assigned only
15
> GB ( less than 50 % of total disk ) for cache in each disk .
> So total cache is 30 GB.
> 
> cache_dir diskd /cache1/squid 15360 16 256 Q1=64 Q2=72
> cache_dir diskd /cache2/squid 15360 16 256 Q1=64 Q2=72
> 
> 
> I want to know if squid uses full 30 GB for cache then what will
happen?
> Shouldn't squid start deleting those cached objects which are not in
> use?
> Which parameter define that?

  None , squid will cleanup swap space automatically if needed to
  store new objects.
> 
> What parameters do I need to check to get best performance and
caching.
> My squid is currently handling 80 req/sec and during peak hours nearly
> 1500 users uses caching server.
> I can save maximum 15 % to 18 % bandwidth. Is it possible to save more
> bandwidth with better performance??
> 
> 
  Difficult , I have the same performance for a similar cache.
 Note that your object hit rate may be higher though.

 M. 
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