Re: build farm machine using <make -j 8> mixed results

From: Andrew Dunstan <andrew(at)dunslane(dot)net>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Peter Eisentraut <peter_e(at)gmx(dot)net>, Robert Creager <robert(at)logicalchaos(dot)org>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: build farm machine using <make -j 8> mixed results
Date: 2012-09-08 19:48:57
Message-ID: 504BA129.8000708@dunslane.net
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On 09/08/2012 11:06 AM, Tom Lane wrote:
> Andrew Dunstan <andrew(at)dunslane(dot)net> writes:
>> This seems totally stupid, but it happens when the path to the current
>> directory includes a cross-device symlink. If I cd following the link,
>> then this effect doesn't happen. Weird.
> Huh. So maybe a gmake bug, or maybe there's something wrong with our
> make rules for the case that `pwd` doesn't match what gmake thinks the
> current path is. Could you specify the setup more fully?
>
>

Scratch that theory, that was just a transient. If anything it looks
like it is related to system load. When almost nothing was running on
the machine it worked fine. When I started up a Browser and an MUA the
problem occurred. This VM has 4 CPUs and 4Gb of memory and a load
average around 0.4 right now. I'm a bit perplexed.

cheers

andrew

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