Re: [squid-users] Poor AsyncIO Performance

From: Chris Conn <>
Date: Tue, 13 Mar 2001 21:53:47 -0500 (EST)

On Tue, 13 Mar 2001, William Wishon wrote:

> I had been running squid without asyncio until recently. I wanted to see if
> turning it on would help increase squid's performance. But when I turned on
> asyncio my response time to cache hits went from averaging about 40ms to
> about 110ms. My setup is this:
> Slackware Linux 7.1
> Squid2.3-STABLE
> cache_dir is an 8Gig reiserfs partition.
> the number of filedescriptors has been raised to 8192.
> Does anyone have any ideas as to what the possible reasons for a decrease in
> performance would be after turning on asyncio?


I have heard umpteen times not to use AsyncIO and Linux with the 2.3
series...I have also heard to use it with 2.4 instead of diskd under
linux. I probably will switch myself to it someday.

Also, reading the FAQ, it states that AsyncIO will probably be slower if
your cache is not too busy.

Received on Tue Mar 13 2001 - 19:53:50 MST

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