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From: Vladimir Davydov <vdavydov.dev@gmail.com>
To: Serge Petrenko <sergepetrenko@tarantool.org>
Cc: tarantool-patches@freelists.org
Subject: Re: [PATCH] replication: fix a failing assert in replica_on_applier_disconnect()
Date: Fri, 3 Aug 2018 18:43:06 +0300	[thread overview]
Message-ID: <20180803154306.u5xbf7rjv4fizjbh@esperanza> (raw)
In-Reply-To: <20180803055905.69108-1-sergepetrenko@tarantool.org>

Looks good.

On Fri, Aug 03, 2018 at 08:59:05AM +0300, Serge Petrenko wrote:
> One possible case when two applier errors happen one after another
> wasn't handled in replica_on_applier_disconnect(), which lead to
> occasional test failures and crashes. Handle this case.
> 
> Part of #3510
> ---
> This patch fixes an assertion fail, submitted by @locker in issue comments.
> I wasn't able to reproduce 2 failures reported in the issue itself, and asked
> for comments, but got no answer. I also couldn't fix the latter 2
> failures just by looking at code.
> 
> https://github.com/tarantool/tarantool/tree/sergepetrenko/gh-3510-replication-asserts-fail
> https://github.com/tarantool/tarantool/issues/3510
> 
>  src/box/replication.cc | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/src/box/replication.cc b/src/box/replication.cc
> index 26bbbe32a..0efbd7c0e 100644
> --- a/src/box/replication.cc
> +++ b/src/box/replication.cc
> @@ -350,6 +350,10 @@ replica_on_applier_disconnect(struct replica *replica)
>  		assert(replicaset.applier.connected > 0);
>  		replicaset.applier.connected--;
>  		break;
> +	case APPLIER_LOADING:
> +		assert(replicaset.applier.loading > 0);
> +		replicaset.applier.loading--;
> +		break;
>  	case APPLIER_DISCONNECTED:
>  		break;
>  	default:

  reply	other threads:[~2018-08-03 15:43 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-08-03  5:59 Serge Petrenko
2018-08-03 15:43 ` Vladimir Davydov [this message]
2018-08-03 15:57 ` [tarantool-patches] " Kirill Yukhin
2018-08-06 14:14   ` Sergey Petrenko
2018-08-07 16:50     ` Vladimir Davydov
2018-08-08 10:10       ` Sergey Petrenko
2018-08-08 10:58         ` Vladimir Davydov
2018-08-08 15:19           ` Sergey Petrenko

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