[tarantool-patches] Re: [PATCH 1/2] replication: fix recoverable error reporting

[Konstantin Osipov <kostja@tarantool.org>]

* Vladimir Davydov <vdavydov.dev@gmail.com> [18/09/24 14:07]:
> First, we print "will retry every XX second" to the log after an error
> message only for socket and system errors although we keep trying to
> establish a replication connection after configuration errors as well.
> Let's print this message for those errors too to avoid confusion.
> 
> Second, in case we receive an error in reply to SUBSCRIBE command, we
> log "can't read row" instead of "can't join/subscribe". This happens,
> because we switch an applier to SYNC/FOLLOW state before receiving a
> reply to SUBSCRIBE command. Fix this by updating an applier state only
> after successfully subscribing.
> 
> Third, we detect duplicate connections coming from the same replica on
> the master only after sending a reply to SUBSCRIBE command, that is in
> relay_subscribe rather than in box_process_subscribe. This results in
> "can't read row" being printed to the replica's log even though it's
> actually a SUBSCRIBE error. Fix this by moving the check where it
> actually belongs.

OK to push.

 

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Konstantin Osipov, Moscow, Russia, +7 903 626 22 32
http://tarantool.io - www.twitter.com/kostja_osipov