Re: Preliminary Apache 2 benchmarks

From: Date: Tue, 25 Mar 2003 21:55:15 +0000
Subject: Re: Preliminary Apache 2 benchmarks
References: 1 2  Groups: php.internals 
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On March 25, 2003 04:43 pm, lists@holsman.net wrote: > resend due to 30k issue. > > > Attached is the patch (ap2.txt) that prevents AP2 handler from constantly > > flushing the data as soon as it is passed. As you can see in the > > benchmarks this more the doubles the performance when many writes occur. > > I am hoping Ian can explain the need for this flush, since without it the > > code would be clearly faster. > > in the general (like 99.9%) of the case you don't need to flush. > I think disabling it will be a good thing. We do give the ability to the user to force a flush is they so desire, so I think disabling the automatic flushing of data would be a good idea especially since performance benefits are so significant. > the original version I committed actually waited until the entire page was > parsed before sending anything up the chain. > > this is slightly different to what it currently does, and I'll try to see > if I can see a difference in this approach (compared to sending the buckets > up the filter chain) > > if there is a difference, I'll add a new directive to buffer the response > up. > Ok, let me know what you tests end up showing, I'd definately like to see some sort of a solution for this issue appear in the upcomming 4.3.2 release. Ilia

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