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| author | unknown <knielsen@knielsen-hq.org> | 2013-09-13 15:09:57 +0200 |
|---|---|---|
| committer | unknown <knielsen@knielsen-hq.org> | 2013-09-13 15:09:57 +0200 |
| commit | d107bdaa01ad34b1afb4542b981b9b19af499f7b (patch) | |
| tree | 094a00715ad2a2895364eac2356a3abf798e3c53 /sql/rpl_rli.h | |
| parent | 13fddb32dec20bfea058281dcf0e780ca02d5402 (diff) | |
| download | mariadb-git-d107bdaa01ad34b1afb4542b981b9b19af499f7b.tar.gz | |
MDEV-4506, parallel replication.
Some after-review fixes.
Diffstat (limited to 'sql/rpl_rli.h')
| -rw-r--r-- | sql/rpl_rli.h | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/sql/rpl_rli.h b/sql/rpl_rli.h index 91c5c65d33b..4d954d1c8aa 100644 --- a/sql/rpl_rli.h +++ b/sql/rpl_rli.h @@ -422,7 +422,7 @@ public: */ void stmt_done(my_off_t event_log_pos, time_t event_creation_time, THD *thd, - struct rpl_group_info *rgi); + rpl_group_info *rgi); /** @@ -521,10 +521,14 @@ private: /* This is data for various state needed to be kept for the processing of - one event group in the SQL thread. + one event group (transaction) during replication. - For single-threaded replication it is linked from the RLI, for parallel - replication it is linked into each event group being executed in parallel. + In single-threaded replication, there will be one global rpl_group_info and + one global Relay_log_info per master connection. They will be linked + together. + + In parallel replication, there will be one rpl_group_info object for + each running thd. All rpl_group_info will share the same Relay_log_info. */ struct rpl_group_info { @@ -555,7 +559,7 @@ struct rpl_group_info for the wrong commit). */ uint64 wait_commit_sub_id; - struct rpl_group_info *wait_commit_group_info; + rpl_group_info *wait_commit_group_info; /* If non-zero, the event group must wait for this sub_id to be committed before the execution of the event group is allowed to start. |