Re: [squid-users] aioCancel message in cache.log

From: Henrik Nordstrom <hno@dont-contact.us>
Date: Wed, 19 Jun 2002 01:02:19 +0200

On Tuesday 18 June 2002 15.49, Stephan Hendl wrote:

> "2002/06/18 15:11:01 | this be aioCancel"
>
> What does it say - can I ignore it?

Can be ignored.

> Sometimes I get messages like
>
> "2002/06/18 14:20:01 | aio_queue_request: WARNING - Queue
> congestion"
>
> Shell I tune up the number of threads?

Not if you only see this sometimes. And probably not if you see it a
lot either.. (to many threads only worsens the situation)

Before you change anything, make sure you know how to measure the I/O
latency of your system using system monitoring tools. You will need
to know how to use and read these if trying to tune the number of
threads correcly.

Regards
Henrik
Received on Tue Jun 18 2002 - 17:07:36 MDT

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