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From: Sergey Petrenko via Tarantool-patches <tarantool-patches@dev.tarantool.org>
To: Vladislav Shpilevoy <v.shpilevoy@tarantool.org>, gorcunov@gmail.com
Cc: tarantool-patches@dev.tarantool.org
Subject: Re: [Tarantool-patches] [PATCH v4 06/16] replication: send latest effective promote in initial join
Date: Fri, 23 Jul 2021 09:44:49 +0200	[thread overview]
Message-ID: <502885e7-8400-248e-9bcc-fcfa443cbb22@tarantool.org> (raw)
In-Reply-To: <571af10d-1ce6-8f92-b5c2-48eafa3d7977@tarantool.org>


22.07.2021 01:24, Vladislav Shpilevoy пишет:
> Hi! Good job on the patch!
>
>> diff --git a/src/box/relay.cc b/src/box/relay.cc
>> index 4ebe0fb06..4b102a777 100644
>> --- a/src/box/relay.cc
>> +++ b/src/box/relay.cc
>> @@ -442,7 +445,11 @@ relay_initial_join(int fd, uint64_t sync, struct vclock *vclock,
>>   		row.type = IPROTO_JOIN_META;
>>   		coio_write_xrow(&relay->io, &row);
>>   
>> -		/* Empty at the moment. */
>> +		char body[XROW_SYNCHRO_BODY_LEN_MAX];
>> +		xrow_encode_synchro(&row, body, &req);
>> +		row.replica_id = req.replica_id;
>> +		row.sync = sync;
> Shouldn't we also attach sync to IPROTO_JOIN_SNAPSHOT and
> IPROTO_JOIN_META? Although I don't see where it is used in
> the applier. But I see it is attached to xrow_encode_vclock
> a bit above.

Yes, indeed. Will it be enough to set sync once only when sending the 
vclock?

The field shouldn't be overwritten by anyone.

===========================

diff --git a/src/box/relay.cc b/src/box/relay.cc
index 4b102a777..db1d595e2 100644
--- a/src/box/relay.cc
+++ b/src/box/relay.cc
@@ -448,7 +448,6 @@ relay_initial_join(int fd, uint64_t sync, struct 
vclock *vclock,
                 char body[XROW_SYNCHRO_BODY_LEN_MAX];
                 xrow_encode_synchro(&row, body, &req);
                 row.replica_id = req.replica_id;
-               row.sync = sync;
                 coio_write_xrow(&relay->io, &row);

                 /* Mark the end of the metadata stream. */

===========================


  reply	other threads:[~2021-07-23  7:45 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-14 18:25 [Tarantool-patches] [PATCH v4 00/16] forbid implicit limbo ownership transition Serge Petrenko via Tarantool-patches
2021-07-14 18:25 ` [Tarantool-patches] [PATCH v4 01/16] replication: always send raft state to subscribers Serge Petrenko via Tarantool-patches
2021-07-14 18:25 ` [Tarantool-patches] [PATCH v4 02/16] txn_limbo: fix promote term filtering Serge Petrenko via Tarantool-patches
2021-07-14 18:25 ` [Tarantool-patches] [PATCH v4 03/16] txn_limbo: persist the latest effective promote in snapshot Serge Petrenko via Tarantool-patches
2021-07-14 18:25 ` [Tarantool-patches] [PATCH v4 04/16] replication: encode version in JOIN request Serge Petrenko via Tarantool-patches
2021-07-14 18:25 ` [Tarantool-patches] [PATCH v4 05/16] replication: add META stage to JOIN Serge Petrenko via Tarantool-patches
2021-07-14 18:25 ` [Tarantool-patches] [PATCH v4 06/16] replication: send latest effective promote in initial join Serge Petrenko via Tarantool-patches
2021-07-21 23:24   ` Vladislav Shpilevoy via Tarantool-patches
2021-07-23  7:44     ` Sergey Petrenko via Tarantool-patches [this message]
2021-07-26 23:43       ` Vladislav Shpilevoy via Tarantool-patches
2021-07-14 18:25 ` [Tarantool-patches] [PATCH v4 07/16] replication: send current Raft term in join response Serge Petrenko via Tarantool-patches
2021-07-21 23:24   ` Vladislav Shpilevoy via Tarantool-patches
2021-07-23  7:44     ` Sergey Petrenko via Tarantool-patches
2021-07-26 23:43       ` Vladislav Shpilevoy via Tarantool-patches
2021-07-29 20:46         ` Sergey Petrenko via Tarantool-patches
2021-07-14 18:25 ` [Tarantool-patches] [PATCH v4 08/16] raft: refactor raft_new_term() Serge Petrenko via Tarantool-patches
2021-07-14 18:25 ` [Tarantool-patches] [PATCH v4 09/16] box: split promote() into reasonable parts Serge Petrenko via Tarantool-patches
2021-07-21 23:26   ` Vladislav Shpilevoy via Tarantool-patches
2021-07-23  7:45     ` Sergey Petrenko via Tarantool-patches
2021-07-26 23:44       ` Vladislav Shpilevoy via Tarantool-patches
2021-07-29 20:46         ` Sergey Petrenko via Tarantool-patches
2021-07-14 18:25 ` [Tarantool-patches] [PATCH v4 10/16] box: make promote always bump the term Serge Petrenko via Tarantool-patches
2021-07-26 23:45   ` Vladislav Shpilevoy via Tarantool-patches
2021-07-29 20:46     ` Sergey Petrenko via Tarantool-patches
2021-07-14 18:25 ` [Tarantool-patches] [PATCH v4 11/16] box: make promote on the current leader a no-op Serge Petrenko via Tarantool-patches
2021-07-21 23:26   ` Vladislav Shpilevoy via Tarantool-patches
2021-07-23  7:45     ` Sergey Petrenko via Tarantool-patches
2021-07-14 18:25 ` [Tarantool-patches] [PATCH v4 12/16] box: fix an assertion failure after a spurious wakeup in promote Serge Petrenko via Tarantool-patches
2021-07-21 23:29   ` Vladislav Shpilevoy via Tarantool-patches
2021-07-23  7:45     ` Sergey Petrenko via Tarantool-patches
2021-07-14 18:25 ` [Tarantool-patches] [PATCH v4 13/16] box: allow calling promote on a candidate Serge Petrenko via Tarantool-patches
2021-07-15 14:06   ` Serge Petrenko via Tarantool-patches
2021-07-14 18:25 ` [Tarantool-patches] [PATCH v4 14/16] box: extract promote() settings to a separate method Serge Petrenko via Tarantool-patches
2021-07-14 18:25 ` [Tarantool-patches] [PATCH v4 15/16] replication: forbid implicit limbo owner transition Serge Petrenko via Tarantool-patches
2021-07-14 18:25 ` [Tarantool-patches] [PATCH v4 16/16] box: introduce `box.ctl.demote` Serge Petrenko via Tarantool-patches
2021-07-15 17:13   ` Serge Petrenko via Tarantool-patches
2021-07-15 20:11   ` [Tarantool-patches] [PATCH v4 17/16] replication: fix flaky election_qsync.test Serge Petrenko via Tarantool-patches
2021-07-26 23:43 ` [Tarantool-patches] [PATCH v4 00/16] forbid implicit limbo ownership transition Vladislav Shpilevoy via Tarantool-patches
2021-07-29 20:47   ` Sergey Petrenko via Tarantool-patches

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