Re: [squid-users] error: url_rewriter

From: Ross Kovelman <rkovelman_at_gruskingroup.com>
Date: Wed, 14 Oct 2009 00:19:26 -0400

> From: Amos Jeffries <squid3_at_treenet.co.nz>
> Date: Wed, 14 Oct 2009 16:56:35 +1300
> To: "squid-users_at_squid-cache.org" <squid-users_at_squid-cache.org>
> Subject: Re: [squid-users] error: url_rewriter
>
> On Tue, 13 Oct 2009 23:18:07 -0400, Ross Kovelman
> <rkovelman_at_gruskingroup.com> wrote:
>> Hello,
>> I have an error showing:
>> 2009/10/13 22:41:05| WARNING: All url_rewriter processes are busy.
>> 2009/10/13 22:41:05| WARNING: up to 1 pending requests queued
>> 2009/10/13 22:43:22| WARNING: All url_rewriter processes are busy.
>> 2009/10/13 22:43:22| WARNING: up to 6 pending requests queued
>> 2009/10/13 22:43:22| Consider increasing the number of url_rewriter
>> processes to at least 7 in your config file.
>> 2009/10/13 22:43:54| WARNING: All url_rewriter processes are busy.
>> 2009/10/13 22:43:54| WARNING: up to 1 pending requests queued
>> 2009/10/13 22:43:54| Consider increasing the number of url_rewriter
>> processes to at least 2 in your config file.
>> 2009/10/13 22:44:42| WARNING: All url_rewriter processes are busy.
>> 2009/10/13 22:44:42| WARNING: up to 3 pending requests queued
>> 2009/10/13 22:44:42| Consider increasing the number of url_rewriter
>> processes to at least 4 in your config file.
>> 2009/10/13 23:11:16| WARNING: All url_rewriter processes are busy.
>> 2009/10/13 23:11:16| WARNING: up to 1 pending requests queued
>>
>> How do I resolve this? I saw some things from the list and on other
>> websites but those people had a lot more people accessing the server
> then I
>> do. I am on squid 2.7
>
> They also probably had dozens of helpers running. You have precisely one
> by the looks of it.
>
> You have hit the same problem anyway. The solutions are the same.
>
> * find out if the re-writer is working too slowly and might be sped up.
> * follow Squids advice and up the number of running helpers.
> * add some url_rewrite_access rules to bypass re-writer for requests when
> its not actually needed.
>
> Amos

Amos,
Thanks again! Although the limited searching I have done can you point me
in the direction to find out to bring up the re-writer and its speed? Yes I
am only running 1. Also the url_rewrite_access, wouldn't I want all
websites to be checked against the ACL list? Or am I reading this wrong:
Used to define the access lists specifies which requests are sent to the
redirector processes.

Thanks
Received on Wed Oct 14 2009 - 04:19:54 MDT

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