From: Konstantin Osipov <kostja@tarantool.org>
To: tarantool-patches@freelists.org
Subject: [tarantool-patches] Re: [PATCH 2/4] txn: reverse commit trigger list only before running commit triggers
Date: Thu, 25 Jul 2019 01:48:11 +0300 [thread overview]
Message-ID: <20190724224811.GA14292@atlas> (raw)
In-Reply-To: <833a22aef0330df6291250b3f9acb9461ff0cf55.1563559254.git.vdavydov.dev@gmail.com>
* Vladimir Davydov <vdavydov.dev@gmail.com> [19/07/19 21:09]:
> Commit triggers must be run in the same order they are added, see commit
> 013432641283 ("txn: fix execution order of commit triggers"). To achieve
> that we added a new trigger method, trigger_add_tail(), which adds new
> triggers to the trigger list tail rather than to the head, and now we
> use this new method for adding commit triggers.
Commit triggers are a hot path.
Since this is a *double linked list* you don't need to reverse it
to *iterate over it in reverse order*.
Thanks :(
--
Konstantin Osipov, Moscow, Russia
next prev parent reply other threads:[~2019-07-24 22:48 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-19 18:08 [PATCH 0/4] Support savepoints in DDL transactions Vladimir Davydov
2019-07-19 18:08 ` [PATCH 1/4] Update small library Vladimir Davydov
2019-07-24 22:48 ` [tarantool-patches] " Konstantin Osipov
2019-07-25 9:23 ` Vladimir Davydov
2019-07-19 18:08 ` [PATCH 2/4] txn: reverse commit trigger list only before running commit triggers Vladimir Davydov
2019-07-24 22:48 ` Konstantin Osipov [this message]
2019-07-25 9:24 ` [tarantool-patches] " Vladimir Davydov
2019-07-25 9:29 ` Konstantin Osipov
2019-07-25 9:35 ` Vladimir Davydov
2019-07-25 14:56 ` Vladimir Davydov
2019-07-26 19:25 ` Konstantin Osipov
2019-07-29 8:45 ` Vladimir Davydov
2019-07-19 18:08 ` [PATCH 3/4] txn: use savepoints to roll back statements on yield or error Vladimir Davydov
2019-07-24 22:55 ` [tarantool-patches] " Konstantin Osipov
2019-07-24 23:19 ` Konstantin Osipov
2019-07-25 9:28 ` Vladimir Davydov
2019-07-25 11:57 ` Vladimir Davydov
2019-07-19 18:08 ` [PATCH 4/4] txn: undo commit/rollback triggers when reverting to savepoint Vladimir Davydov
2019-07-19 19:36 ` [tarantool-patches] " Vladislav Shpilevoy
2019-07-19 19:42 ` Vladimir Davydov
2019-07-26 8:56 ` Vladimir Davydov
2019-07-29 13:11 ` [tarantool-patches] " Konstantin Osipov
2019-07-30 10:54 ` Vladimir Davydov
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