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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 09/16] box: split promote() into reasonable parts
Date: Thu, 29 Jul 2021 23:46:45 +0300	[thread overview]
Message-ID: <a7c99acc-ec78-e957-4c59-86731e3f5149@tarantool.org> (raw)
In-Reply-To: <2f678c9a-7065-9fdb-f446-22d67be47399@tarantool.org>


27.07.2021 02:44, Vladislav Shpilevoy пишет:
> Thanks for the fixes!
>
>> diff --git a/src/box/box.cc b/src/box/box.cc
>> index 85fac08bb..d83c30918 100644
>> --- a/src/box/box.cc
>> +++ b/src/box/box.cc
>> @@ -1527,6 +1527,140 @@ box_wait_quorum(uint32_t lead_id, int64_t target_lsn, int quorum,
> <...>
>
>> +
>> +/**
>> + * A helper to wait until all limbo entries are ready to be confirmed, i.e.
>> + * written to WAL and have gathered a quorum of ACKs from replicas.
>> + * Return lsn of the last limbo entry on success, -1 on error.
>> + */
>> +static int64_t
>> +box_wait_limbo_acked(void)
>> +{
>> +	if (txn_limbo_is_empty(&txn_limbo))
>> +		return txn_limbo.confirmed_lsn;
>> +
>> +	uint64_t promote_term = txn_limbo.promote_greatest_term;
>> +	int quorum = replication_synchro_quorum;
>> +	struct txn_limbo_entry *last_entry;
>> +	last_entry = txn_limbo_last_synchro_entry(&txn_limbo);
>> +	/* Wait for the last entries WAL write. */
>> +	if (last_entry->lsn < 0) {
>> +		int64_t tid = last_entry->txn->id;
>> +
>> +		if (wal_sync(NULL) < 0)
> Could you please make it `!= 0`? To be consistent with the
> other places and to emphasize the result is binary - either an
> error or success.

Sure, fixed. I didn't touch it at first because it had "< 0"
even before my patchset.




  reply	other threads:[~2021-07-29 20:47 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
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 [this message]
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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