Re: Large arrays give long lag on server side before command executes

From: David Helgason <david(at)uti(dot)is>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: postgresql General <pgsql-general(at)postgresql(dot)org>
Subject: Re: Large arrays give long lag on server side before command executes
Date: 2004-09-24 15:39:24
Message-ID: E98572D7-0E3F-11D9-A5DE-000A9566DA8A@uti.is
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On 24. sep 2004, at 16:32, Tom Lane wrote:
> David Helgason <david(at)uti(dot)is> writes:
>> Any suggestions how I go about finding the bottleneck here? What tools
>> do other people use for profiling on Linux.
>
> Rebuild with profiling enabled (make clean; make PROFILE="-pg
> -DLINUX_PROFILE")
> and then use gprof to produce a report from the trace file that the
> backend drops when it exits.
>
> If that sounds out of your league, send along a self-contained test
> case
> and I'll be glad to take a look.

I can try to make a self-contained test case, but right now there's a
10e6 dependancies, so it would be great if this is enough:

Attachment Content-Type Size
gprof data.zip application/zip 13.2 KB

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