Subject: [bug#58035] sync-before-registering is false, possibly the cause of empty files in the store

From: Ludovic Courtès <[email-masked]>
Date: Fri, 07 Oct 2022 11:44:17 +0200

zimoun <[email-masked]> skribis:

> On Tue, 04 Oct 2022 at 23:49, Ludovic Courtès <[email-masked]> wrote:
>
>> Maybe a good test would be to run a daemon on an “average” HDD with
>> sync-before-registering = true and to run ‘perf timechart record’ while
>> it’s fetching a large number of substitutes.  That way we’d have
>> concrete data to talk about.
>
> What is ’perf timechart record’?

It’s a tool of Linux’s ‘perf’—see ‘guix install perf’.

HTH!

Ludo’.