From: Kirill Yukhin <kyukhin@tarantool.org>
To: Vladislav Shpilevoy <v.shpilevoy@tarantool.org>
Cc: tarantool-patches@dev.tarantool.org
Subject: Re: [Tarantool-patches] [PATCH 1/1] netbox: don't fire on_connect() at schema update
Date: Tue, 5 Nov 2019 19:34:44 +0300 [thread overview]
Message-ID: <20191105163444.2fdvliiyjn5bkzk3@tarantool.org> (raw)
In-Reply-To: <0706877cdc0598bb77489636dd22e852b7a50682.1572385348.git.v.shpilevoy@tarantool.org>
Hello,
On 29 окт 22:43, Vladislav Shpilevoy wrote:
> There was a bug that netbox at any schema update called
> on_connect() triggers. This was due to overcomplicated logic of
> handling of changes in the netbox state machine. On_connect() was
> fired each time the machine entered 'active' state, even if its
> previous states were 'active' and then 'fetch_schema'. The latter
> state can be entered many times without reconnects.
>
> Another bug was about on_disconnect() - it could be fired even if
> the connection never entered active state. For example, if its
> first 'fetch_schema' has failed.
>
> Now there is an explicit flag showing the machine connect state.
> The triggers are fired only when it is changed, on 'active' and on
> any error states. Intermediate states (fetch_schema, auth) do not
> matter anymore.
>
> Thanks @mtrempoltsev for the initial investigation and a draft
> fix.
>
> Closes #4593
> ---
> Branch: https://github.com/tarantool/tarantool/tree/gerold103/gh-4593-netbox-on_connect
> Issue: https://github.com/tarantool/tarantool/issues/4593
I've checked your patch into 2.2 and master.
--
Regards, Kirill Yukhin
next prev parent reply other threads:[~2019-11-05 16:34 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-29 21:43 Vladislav Shpilevoy
2019-10-29 22:03 ` Cyrill Gorcunov
2019-10-29 23:51 ` Vladislav Shpilevoy
2019-11-05 13:12 ` Alexander Turenko
2019-11-05 14:12 ` Vladislav Shpilevoy
2019-11-05 15:00 ` Alexander Turenko
2019-11-05 16:34 ` Kirill Yukhin [this message]
2019-11-06 0:56 ` Alexander Turenko
2019-11-06 13:44 ` Kirill Yukhin
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