RE: [squid-users] high iowait on cache_swap_low

From: sameer khan <khanzadap_at_hotmail.com>
Date: Tue, 1 Jun 2010 17:38:17 +0000

hey henrik,

thanks for replying, any solution to the problem ?

----------------------------------------
> Subject: Re: [squid-users] high iowait on cache_swap_low
> From: henrik_at_henriknordstrom.net
> To: khanzadap_at_hotmail.com
> CC: squid-users_at_squid-cache.org
> Date: Tue, 1 Jun 2010 17:19:55 +0200
>
> tis 2010-06-01 klockan 12:38 +0000 skrev sameer khan:
>
>> We are using 2 x 320GB SATA2 with reiserfs 3.6. The machine experiences high iowait when the cache reaches cache_swap_low. What we have observed that it is constantly stuck at cache_swap_low. If we purge the cache it starts to work fine again until cache hits cache_swap_low mark.
>
> That's because the I/O load almost doubles then.. removing content from
> a filesystem is nearly as expensive as writing it in the first place.
>
> Regards
> Henrik
>
                                               
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Received on Tue Jun 01 2010 - 17:38:23 MDT

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