From: Vladislav Shpilevoy <v.shpilevoy@tarantool.org> To: Sergey Petrenko <sergepetrenko@tarantool.org> Cc: tarantool-patches@dev.tarantool.org Subject: Re: [Tarantool-patches] [PATCH 3/5] applier: split join processing into two stages Date: Tue, 24 Dec 2019 16:50:31 +0100 [thread overview] Message-ID: <69504933-e4d0-c3fe-7a92-512c1eebf979@tarantool.org> (raw) In-Reply-To: <1577139020.589251896@f468.i.mail.ru> Hi! Thanks for the fixes! >> On 15/12/2019 21:58, sergepetrenko wrote: >>> From: Serge Petrenko < sergepetrenko@tarantool.org > >>> >>> We already have 'initial join' and 'final join' stages in applier logic. >>> The first actually means fetching master's snapshot, and the second one >>> -- receiving the rows which should contain replica's registration in >>> _cluster. >>> These stages will be used separately once anonymous replica is >>> implemented, so split them as a preparation. >>> >>> Prerequisite #3186 >>> --- >>> src/box/applier.cc | 61 ++++++++++++++++++++++++++++++++++++---------- >>> 1 file changed, 48 insertions(+), 13 deletions(-) >>> >>> diff --git a/src/box/applier.cc b/src/box/applier.cc >>> index 42374f886..357369025 100644 >>> --- a/src/box/applier.cc >>> +++ b/src/box/applier.cc >>> @@ -388,18 +388,12 @@ done: >>> applier_set_state(applier, APPLIER_READY); >>> } >>> >>> -/** >>> - * Execute and process JOIN request (bootstrap the instance). >>> - */ >>> -static void >>> -applier_join(struct applier *applier) >>> +static uint64_t >>> +applier_do_fetch_snapshot(struct applier *applier) >>> { >>> -/* Send JOIN request */ >>> struct ev_io *coio = &applier->io; >>> struct ibuf *ibuf = &applier->ibuf; >>> struct xrow_header row; >>> -xrow_encode_join_xc(&row, &INSTANCE_UUID); >>> -coio_write_xrow(coio, &row); >>> >>> /** >>> * Tarantool < 1.7.0: if JOIN is successful, there is no "OK" >> >> 1. applier_do_fetch_snapshot() still uses JOIN in some comments >> and in apply_initial_join_row() function name. The function can >> be renamed right here. The comments should be fixed when you add >> REQUEST_SNAPSHOT. > > Renamed the function. The join request is still sent during "normal" > replication. So I'll leave JOIN mentions in the comments and also write > something about FETCH_SNAPSHOT in the next commit of the series. > Yes, that what I meant. >> >> Also I propose you to rename it to just applier_fetch_snapshot(). > > Done. > Perhaps, but looks like you didn't push it on the branch. >> And the applier_fetch_snapshot() which you add later rename to >> applier_request_and_fetch_snapshot(). But it is arguable. Lets >> discuss if you disagree. I don't have a strong opinion here. > > Maybe just use applier_get_snapshot() ? > applier_request_and_fetch_snapshot() looks too long IMO. > 'get' is basically the same as 'fetch' in that context. In that case how about the proposal below? applier_do_fetch_snapshot -> applier_wait_snapshot And keep applier_fetch_snapshot() introduced in the next patches.
next prev parent reply other threads:[~2019-12-24 15:50 UTC|newest] Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-12-15 20:56 [Tarantool-patches] [PATCH 0/5] introduce anonymous replicas sergepetrenko 2019-12-15 20:58 ` [Tarantool-patches] [PATCH 1/5] box: update comment describing join protocol sergepetrenko 2019-12-22 17:58 ` Vladislav Shpilevoy 2019-12-23 21:12 ` Sergey Petrenko 2019-12-15 20:58 ` [Tarantool-patches] [PATCH 2/5] replication: do not decode replicaset uuid when processing a subscribe sergepetrenko 2019-12-15 20:58 ` [Tarantool-patches] [PATCH 3/5] applier: split join processing into two stages sergepetrenko 2019-12-22 17:59 ` Vladislav Shpilevoy 2019-12-23 22:10 ` Sergey Petrenko 2019-12-24 15:50 ` Vladislav Shpilevoy [this message] 2019-12-15 20:58 ` [Tarantool-patches] [PATCH 4/5] vclock: ignore 0th component in comparisons sergepetrenko 2019-12-22 17:59 ` Vladislav Shpilevoy 2019-12-23 21:26 ` Sergey Petrenko 2019-12-23 22:58 ` Sergey Petrenko 2019-12-26 4:43 ` Konstantin Osipov 2019-12-26 5:02 ` Konstantin Osipov 2019-12-27 12:56 ` Sergey Petrenko 2019-12-27 13:31 ` Konstantin Osipov 2019-12-27 13:48 ` Sergey Petrenko 2019-12-27 14:40 ` Konstantin Osipov 2019-12-15 20:58 ` [Tarantool-patches] [PATCH 5/5] replication: introduce anonymous replica sergepetrenko 2019-12-16 13:28 ` Serge Petrenko 2019-12-20 12:06 ` Serge Petrenko 2019-12-22 17:58 ` Vladislav Shpilevoy 2019-12-25 12:40 ` Sergey Petrenko 2019-12-25 18:23 ` Vladislav Shpilevoy 2019-12-26 16:08 ` Sergey Petrenko 2019-12-15 21:00 ` [Tarantool-patches] [PATCH 0/5] introduce anonymous replicas Sergey Petrenko 2019-12-18 7:49 ` Georgy Kirichenko 2019-12-20 12:07 ` Serge Petrenko 2019-12-20 12:17 ` Serge Petrenko 2019-12-22 17:59 ` Vladislav Shpilevoy
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=69504933-e4d0-c3fe-7a92-512c1eebf979@tarantool.org \ --to=v.shpilevoy@tarantool.org \ --cc=sergepetrenko@tarantool.org \ --cc=tarantool-patches@dev.tarantool.org \ --subject='Re: [Tarantool-patches] [PATCH 3/5] applier: split join processing into two stages' \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: link
This is a public inbox, see mirroring instructions for how to clone and mirror all data and code used for this inbox