[MDEV-11376] AliSQL: [Feature] Issue#11 REDO LOG GROUP COMMIT AT SERVER LAYER Created: 2016-11-29  Updated: 2019-03-18

Status: Stalled
Project: MariaDB Server
Component/s: None
Fix Version/s: None

Type: Task Priority: Major
Reporter: Sergey Vojtovich Assignee: Andrei Elkin
Resolution: Unresolved Votes: 0
Labels: None

Issue Links:
Duplicate
is duplicated by MDEV-18959 Engine transaction recovery through p... Stalled
Relates
relates to MDEV-14339 Different Galera performance behavior... Closed
Epic Link: AliSQL patches

 Description    

Summary:
 
========
 
When binlog is on, innodb redo log will write at innodb prepare stage,
 
and binlog will write at binlog commit stage.
 
 
 
Actually, write innodb redo log could move to binlog commit stage only
 
if it write before binlog. Then, redo log and binlog can use original
 
binary group commit logic to improve performance.

https://github.com/alibaba/AliSQL/commit/83d64d9ac2eca62663f8ca77d57c875c8b4cd279

 Comments   
Comment by Andrei Elkin [ 2018-02-07 ]

The patch is understood, but it can't be applied so directly as MariaDB's binlog group commit is different
from mysql's which the patch is for.
The work is postponed at least until March when higher priority tasks will be done.

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