From: Cyrill Gorcunov <gorcunov@gmail.com>
To: Serge Petrenko <sergepetrenko@tarantool.org>
Cc: tml <tarantool-patches@dev.tarantool.org>,
Vladislav Shpilevoy <v.shpilevoy@tarantool.org>
Subject: Re: [Tarantool-patches] [RFC 4/4] qsync: allow to specify replication_synchro_quorum as a formula
Date: Fri, 20 Nov 2020 18:00:19 +0300 [thread overview]
Message-ID: <20201120150019.GF875895@grain> (raw)
In-Reply-To: <63c1afba-1001-289d-57bc-9dc35679ffc7@tarantool.org>
On Fri, Nov 20, 2020 at 03:41:12PM +0300, Serge Petrenko wrote:
> > > > Pass replicaset.registered_count instead of replication_synchro_quorum here.
> > Wait, this is bootstrap, replicaset.registered_count is 0 at this moment, no?
>
> Hm, I didn't think of this.
>
> Yes, this is either bootstrap or reconfiguration.
> Well, if we have a max(1, value) guard nothing bad should happen even if we
> pass 0 on bootstrap. The formula will be reevaluated each time
> a replica is registered anyway. Even when the node registers itself.
>
> Anyway, passing replication_synchro_quorum as parameter to evaluate quorum
> is even more random.
ok, thanks!
prev parent reply other threads:[~2020-11-20 15:00 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-19 19:40 [Tarantool-patches] [RFC 0/4] qsync: evaluate replication_synchro_quorum dynamically Cyrill Gorcunov
2020-11-19 19:40 ` [Tarantool-patches] [RFC 1/4] cfg: add cfg_isnumber helper Cyrill Gorcunov
2020-11-20 9:53 ` Serge Petrenko
2020-11-19 19:40 ` [Tarantool-patches] [RFC 2/4] qsync: move synchro quorum update to separate routine Cyrill Gorcunov
2020-11-20 10:06 ` Serge Petrenko
2020-11-20 11:01 ` Cyrill Gorcunov
2020-11-20 11:39 ` Serge Petrenko
2020-11-20 11:47 ` Cyrill Gorcunov
2020-11-19 19:40 ` [Tarantool-patches] [RFC 3/4] cfg: prepare symbolic evaluation of replication_synchro_quorum Cyrill Gorcunov
2020-11-20 10:32 ` Serge Petrenko
2020-11-20 11:34 ` Cyrill Gorcunov
2020-11-20 11:56 ` Serge Petrenko
2020-11-20 12:14 ` Cyrill Gorcunov
2020-11-26 14:38 ` Mons Anderson
2020-11-26 14:44 ` Cyrill Gorcunov
2020-11-26 16:01 ` Mons Anderson
2020-11-19 19:41 ` [Tarantool-patches] [RFC 4/4] qsync: allow to specify replication_synchro_quorum as a formula Cyrill Gorcunov
2020-11-20 10:50 ` Serge Petrenko
2020-11-20 12:01 ` Cyrill Gorcunov
2020-11-20 12:41 ` Serge Petrenko
2020-11-20 15:00 ` Cyrill Gorcunov [this message]
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