user/dev discussion of public-inbox itself
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From: Eric Wong <e@80x24.org>
To: meta@public-inbox.org
Subject: Re: anybody hit SQLite "database is locked" errors?
Date: Tue, 25 Aug 2020 16:29:05 +0000
Message-ID: <20200825162905.GA4005@dcvr> (raw)
In-Reply-To: <20200825001204.GA840@dcvr>

Eric Wong <e@80x24.org> wrote:
> In particular, the expensive (for LKML) `SELECT COUNT(*) FROM msgmap'
> statement in our current examples/grok-pull.post_update_hook.sh
> seems to be a culprit.  That's even opened with the sqlite3
> `-readonly' flag, it still needs to acquire a SHARED lock in SQLite.

Even without the proposed patch to the post_update_hook;
I haven't been able to reproduce the problem on a different
(faster) machine...

      parent reply	other threads:[~2020-08-25 16:29 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-25  0:12 Eric Wong
2020-08-25 10:23 ` [PATCH] grok-pull.post_update_hook: flock(2) before SQLite check Eric Wong
2020-08-25 16:29 ` Eric Wong [this message]

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