From: Konstantin Osipov <kostja.osipov@gmail.com>
To: Vladimir Davydov <vdavydov.dev@gmail.com>
Cc: tarantool-patches@freelists.org
Subject: Re: [PATCH 5/6] wal: separate checkpoint and flush paths
Date: Mon, 26 Nov 2018 20:58:34 +0300 [thread overview]
Message-ID: <20181126175834.GF7839@chai> (raw)
In-Reply-To: <5ba6de6392cadfc93d0399de4a56c4401317b035.1543152574.git.vdavydov.dev@gmail.com>
* Vladimir Davydov <vdavydov.dev@gmail.com> [18/11/26 10:27]:
> Currently, wal_checkpoint() is used for two purposes. First, to make a
> checkpoint (rotate = true). Second, to flush all pending WAL requests
> (rotate = false). Since checkpointing has to fail if cascading rollback
> is in progress so does flushing. This is confusing. Let's separate the
> two paths.
I agree with the two paths, but wal_flush() as a name is
confusing, since no flushing is happening.
Let's call it wal_sync() or wal_wait() or something similar.
wal_checkpoint() could also be made more obvious and renamed to
wal_rotate().
The patch is otherwise trivial and OK to push.
--
Konstantin Osipov, Moscow, Russia, +7 903 626 22 32
http://tarantool.io - www.twitter.com/kostja_osipov
next prev parent reply other threads:[~2018-11-26 17:58 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-25 13:48 [PATCH 0/6] WAL garbage collection and checkpointing fixes Vladimir Davydov
2018-11-25 13:48 ` [PATCH 1/6] vclock: allow to use const vclock as search key Vladimir Davydov
2018-11-26 17:38 ` Konstantin Osipov
2018-11-27 9:56 ` Vladimir Davydov
2018-11-25 13:48 ` [PATCH 2/6] engine: pass vclock instead of lsn to collect_garbage callback Vladimir Davydov
2018-11-26 17:41 ` Konstantin Osipov
2018-11-27 9:56 ` Vladimir Davydov
2018-11-25 13:48 ` [PATCH 3/6] box: do not rotate WAL when replica subscribes Vladimir Davydov
2018-11-26 17:50 ` Konstantin Osipov
2018-11-27 9:57 ` Vladimir Davydov
2018-11-25 13:48 ` [PATCH 4/6] box: use replicaset.vclock in replica join/subscribe Vladimir Davydov
2018-11-26 17:54 ` Konstantin Osipov
2018-11-27 9:57 ` Vladimir Davydov
2018-11-25 13:48 ` [PATCH 5/6] wal: separate checkpoint and flush paths Vladimir Davydov
2018-11-26 17:58 ` Konstantin Osipov [this message]
2018-11-26 20:19 ` Vladimir Davydov
2018-11-28 16:46 ` Konstantin Osipov
2018-11-25 13:48 ` [PATCH 6/6] wal: remove files needed for recovery from backup checkpoints on ENOSPC Vladimir Davydov
2018-11-28 16:14 ` Vladimir Davydov
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