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From: Vladislav Shpilevoy via Tarantool-patches <tarantool-patches@dev.tarantool.org>
To: Serge Petrenko <sergepetrenko@tarantool.org>, gorcunov@gmail.com
Cc: tarantool-patches@dev.tarantool.org
Subject: Re: [Tarantool-patches] [PATCH v3 06/10] raft: keep track of greatest known term and filter replication sources based on that
Date: Sat, 17 Apr 2021 00:13:03 +0200	[thread overview]
Message-ID: <c042ff41-8741-1782-8675-17828d8b39c1@tarantool.org> (raw)
In-Reply-To: <42d09549-d7f5-9a44-b1f5-b7a6defe6be5@tarantool.org>

>>> +    /**
>>> +     * Latest terms received with PROMOTE entries from remote instances.
>>> +     * Raft uses them to determine data from which sources may be applied.
>>> +     */
>>> +    struct vclock term_map;
>> 7. I have a feeling it is similar to the limbo's LSN map. Like
>> they should be merged into something one. Can't formulate that
>> properly. I hope we will see it more clear when will move all that
>> to the WAL thread someday.
> 
> Yes, they're quite similar.
> 
> Do you mean we should create some new structure instead of using vclock for
> these entities? Like something which would incorporate remote state:
> a map of ids with their known terms and confirmed lsns?

Yes, I think we might end up with that. We already have struct replica
doing similar, but they are not in WAL thread.

  reply	other threads:[~2021-04-16 22:13 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-14 14:17 [Tarantool-patches] [PATCH v3 00/10] raft: introduce manual elections and fix a bug with re-applying rolled back transactions Serge Petrenko via Tarantool-patches
2021-04-14 14:17 ` [Tarantool-patches] [PATCH v3 01/10] wal: enrich row's meta information with sync replication flags Serge Petrenko via Tarantool-patches
2021-04-15 23:18   ` Vladislav Shpilevoy via Tarantool-patches
2021-04-16  7:08     ` Serge Petrenko via Tarantool-patches
2021-04-16  7:11       ` Serge Petrenko via Tarantool-patches
2021-04-16  8:57       ` Serge Petrenko via Tarantool-patches
2021-04-14 14:17 ` [Tarantool-patches] [PATCH v3 02/10] xrow: introduce a PROMOTE entry Serge Petrenko via Tarantool-patches
2021-04-15 23:19   ` Vladislav Shpilevoy via Tarantool-patches
2021-04-16 16:18     ` Serge Petrenko via Tarantool-patches
2021-04-14 14:17 ` [Tarantool-patches] [PATCH v3 03/10] box: actualise iproto_key_type array Serge Petrenko via Tarantool-patches
2021-04-14 14:17 ` [Tarantool-patches] [PATCH v3 04/10] box: make clear_synchro_queue() write a PROMOTE entry instead of CONFIRM + ROLLBACK Serge Petrenko via Tarantool-patches
2021-04-15 23:20   ` Vladislav Shpilevoy via Tarantool-patches
2021-04-16  9:28     ` Serge Petrenko via Tarantool-patches
2021-04-16 14:03       ` Serge Petrenko via Tarantool-patches
2021-04-14 14:17 ` [Tarantool-patches] [PATCH v3 05/10] box: write PROMOTE even for empty limbo Serge Petrenko via Tarantool-patches
2021-04-15 23:21   ` Vladislav Shpilevoy via Tarantool-patches
2021-04-16  9:33     ` Serge Petrenko via Tarantool-patches
2021-04-14 14:17 ` [Tarantool-patches] [PATCH v3 06/10] raft: keep track of greatest known term and filter replication sources based on that Serge Petrenko via Tarantool-patches
2021-04-15 23:27   ` Vladislav Shpilevoy via Tarantool-patches
2021-04-16 14:16     ` Serge Petrenko via Tarantool-patches
2021-04-16 22:13       ` Vladislav Shpilevoy via Tarantool-patches [this message]
2021-04-14 14:17 ` [Tarantool-patches] [PATCH v3 07/10] replication: introduce a new election mode: "manual" Serge Petrenko via Tarantool-patches
2021-04-15 23:27   ` Vladislav Shpilevoy via Tarantool-patches
2021-04-16 14:18     ` Serge Petrenko via Tarantool-patches
2021-04-14 14:17 ` [Tarantool-patches] [PATCH v3 08/10] Support manual elections in `box.ctl.clear_synchro_queue()` Serge Petrenko via Tarantool-patches
2021-04-15 23:30   ` Vladislav Shpilevoy via Tarantool-patches
2021-04-16 15:38     ` Serge Petrenko via Tarantool-patches
2021-04-16 15:40       ` Serge Petrenko via Tarantool-patches
2021-04-16 15:50         ` Serge Petrenko via Tarantool-patches
2021-04-14 14:17 ` [Tarantool-patches] [PATCH v3 09/10] box: remove parameter from clear_synchro_queue Serge Petrenko via Tarantool-patches
2021-04-14 14:18 ` [Tarantool-patches] [PATCH v3 10/10] box.ctl: rename clear_synchro_queue to promote Serge Petrenko via Tarantool-patches
2021-04-15 23:31   ` Vladislav Shpilevoy via Tarantool-patches
2021-04-16 16:13     ` Serge Petrenko via Tarantool-patches
2021-04-14 18:21 ` [Tarantool-patches] [PATCH v3 00/10] raft: introduce manual elections and fix a bug with re-applying rolled back transactions Cyrill Gorcunov via Tarantool-patches
2021-04-15 23:16 ` Vladislav Shpilevoy via Tarantool-patches
2021-04-16 16:35   ` Serge Petrenko via Tarantool-patches

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