From: Vladimir Davydov <vdavydov.dev@gmail.com>
To: Konstantin Osipov <kostja@tarantool.org>
Cc: tarantool-patches@freelists.org
Subject: Re: [PATCH v2] box: enable WAL before making initial checkpoint
Date: Mon, 11 Feb 2019 17:10:59 +0300 [thread overview]
Message-ID: <20190211141059.fiflyepnz6olxjna@esperanza> (raw)
In-Reply-To: <20190211124156.GB20767@chai>
On Mon, Feb 11, 2019 at 03:41:56PM +0300, Konstantin Osipov wrote:
> * Vladimir Davydov <vdavydov.dev@gmail.com> [19/02/11 15:34]:
> > While a replica is bootstrapped from a remote master, vinyl engine
> > may need to perform compaction, which means that it may write to
> > the _vinyl_deferred_delete system space. Compaction proceeds fully
> > asynchronously, i.e. a write may occur after the join stage is
> > complete, but before the WAL is initialized, in which case the new
> > replica will crash. To make sure a race like that won't happen, let's
> > setup WAL before making the initial checkpoint. The WAL writer is now
> > initialized right before starting the WAL thread and so we don't need
> > to split WAL struct into the thread and the writer anymore.
> >
> > Closes #3968
>
> OK to push.
Pushed to 2.1 and 1.10.
prev parent reply other threads:[~2019-02-11 14:10 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-08 16:51 [PATCH] box: delay all writes before wal writer is initialized Vladimir Davydov
2019-02-11 12:34 ` [PATCH v2] box: enable WAL before making initial checkpoint Vladimir Davydov
2019-02-11 12:41 ` Konstantin Osipov
2019-02-11 14:10 ` Vladimir Davydov [this message]
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