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Re: Merging staging?

From: Ludovic Courtès
Subject: Re: Merging staging?
Date: Sat, 22 Dec 2018 00:06:17 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux)

Hello Mark,

Mark H Weaver <address@hidden> skribis:

> It's a good question.  I have several hypotheses:

These are all valid but there’s a couple more to consider.  ;-)

Specifically we’ve had ENOSPC issues on some build nodes lately, and as
I wrote elsewhere, ‘guix offload’ would report them as “permanent
failures”.  Thus guix-daemon on berlin would cache those failures and
never retry afterwards.  This is fixed by commit

Commit 63b0c3eaccdf1816b419632cd7fe721934d2eb27 also arranges so we
don’t choose machines low on disk space.

Another issue I’ve noticed is “database is locked” offloading crashes,
fixed by bdf860c2e99077d431da0cc1db4fc14db2a35d31.  We probably don’t
get these on because we’re running a version that predates
the replacement of the ‘guix-register’ program by (guix store database).

There’s a few more issues about offloading in the bug tracker.  I
suspect these explain the low availability of substitutes to a large


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