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From: Konstantin Osipov <kostja.osipov@gmail.com>
To: Georgy Kirichenko <georgy@tarantool.org>
Cc: tarantool-patches@dev.tarantool.org
Subject: Re: [Tarantool-patches] [PATCH 0/6] Synchronous replication preparation
Date: Wed, 20 Nov 2019 20:15:26 +0300	[thread overview]
Message-ID: <20191120171526.GB2845@atlas> (raw)
In-Reply-To: <cover.1574178520.git.georgy@tarantool.org>

* Georgy Kirichenko <georgy@tarantool.org> [19/11/19 19:06]:
> This patchset contains 6 patches and includes some refactoring
> and synchronous replication preparation.
> 
> First three patches provides coio, recovery and xstream
> refactoring which got rid of exceptions. This makes 
> corresponding facilities C-compliant and enables its usage
> from a wal source.
> 
> Fourth patch fixes a rare vinyl error which manifests itself while
> transactional recovery as there is no data change and vy_tx log
> tends to be empty.
> 
> Fifth patch improves recovery journal making them able to track
> recovery vclock. This enables the last patch which implements
> transactional recovery (either local wal including hot-standby or
> final join). Transactional recovery is essential in case of
> synchronous replication because this both sources (wal and final
> join stream) would contain written but not yet committed
> transaction and we will be in duty to recognize it.

LGTM for the design decisions of the entire series. That is,
I agree the premise and the implementation for the changes in the
patch set are good.

I haven't reviewed the patch set thoroughly, so it either has to
be a second review or I will need to go over the details more
carefully.


-- 
Konstantin Osipov, Moscow, Russia

  parent reply	other threads:[~2019-11-20 17:15 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-19 16:04 Georgy Kirichenko
2019-11-19 16:04 ` [Tarantool-patches] [PATCH 1/6] recovery: do not throw an error Georgy Kirichenko
2019-11-23 13:45   ` Vladislav Shpilevoy
2019-11-19 16:04 ` [Tarantool-patches] [PATCH 2/6] coio: do not htrow an exception Georgy Kirichenko
2019-11-23 13:45   ` Vladislav Shpilevoy
2019-11-19 16:04 ` [Tarantool-patches] [PATCH 3/6] xstream: get rid of " Georgy Kirichenko
2019-11-23 13:45   ` Vladislav Shpilevoy
2019-11-19 16:04 ` [Tarantool-patches] [PATCH 4/6] vinyl: do not insert vy_tx twice into writers list Georgy Kirichenko
2019-11-19 16:04 ` [Tarantool-patches] [PATCH 5/6] box: improve recovery journal Georgy Kirichenko
2019-11-23 13:46   ` Vladislav Shpilevoy
2019-11-19 16:04 ` [Tarantool-patches] [PATCH 6/6] recovery: follow transaction boundaries while recovery or join Georgy Kirichenko
2019-11-23 13:46   ` Vladislav Shpilevoy
2019-11-20 17:15 ` Konstantin Osipov [this message]
2019-11-23 13:45 ` [Tarantool-patches] [PATCH 0/6] Synchronous replication preparation Vladislav Shpilevoy

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