From: Konstantin Osipov <kostja.osipov@gmail.com>
To: Nikita Pettik <korablev@tarantool.org>
Cc: tarantool-patches@dev.tarantool.org, v.shpilevoy@tarantool.org
Subject: Re: [Tarantool-patches] [PATCH] vinyl: update mem ptr in vy_build_insert_tuple() after yield
Date: Fri, 20 Mar 2020 20:40:44 +0300 [thread overview]
Message-ID: <20200320174044.GA5670@atlas> (raw)
In-Reply-To: <20200320150639.GC14930@tarantool.org>
* Nikita Pettik <korablev@tarantool.org> [20/03/20 18:07]:
> > * Nikita Pettik <korablev@tarantool.org> [20/03/20 15:41]:
> > > vy_build_insert_tuple() processes insertion into secondary indexes being
> > > created. It contains yield points during which in-memory level of LSM
> > > tree may change (for example rotate owing to triggered dump). So after
> > > yield point it is required to fetch from LSM struct pointer to mem again
> > > to operate on valid metadata. This patch updates pointer to mem after
> > > mentioned yield point.
> >
> > The patch is LGTM, how long does the test run?
>
> Up to ~5 seconds as a rule.
>
> > Can you add it to an existing low-quota test, to avoid
> > setup/teardown overhead for such a minor fix?
>
> Ok. But I woudn't say it is minor - bug leads to crashes under
> highload on customer's servers :)
The problem is pretty minor. The fix is actually not necessarily
the best one, too (but seems adequate for 1.10).
--
Konstantin Osipov, Moscow, Russia
next prev parent reply other threads:[~2020-03-20 17:40 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-20 12:32 Nikita Pettik
2020-03-20 12:42 ` Nikita Pettik
2020-03-20 13:33 ` Konstantin Osipov
2020-03-20 15:06 ` Nikita Pettik
2020-03-20 15:19 ` Kirill Yukhin
2020-03-20 17:45 ` Konstantin Osipov
2020-03-20 17:40 ` Konstantin Osipov [this message]
2020-03-20 18:24 ` Nikita Pettik
2020-03-20 19:40 ` Konstantin Osipov
2020-03-20 15:23 ` Kirill Yukhin
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