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MDEV-6676: Optimistic parallel replication

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Adjust the configuration options, as discussed on the
maria-developers@ mailing list.

The option to hint a transaction to not be replicated in parallel is
now called @@skip_parallel_replication, consistent with
@@skip_replication.

And the --slave-parallel-mode is now simplified to have just one of
the following values:

  none
  minimal
  conservative
  optimistic
  aggressive

This reflects successively harder efforts to find opportunities to run
things in parallel on the slave. It allows to extend the server with
more automatic heuristics in the future without having to introduce a
new configuration option for each and every one.
This commit is contained in:
Kristian Nielsen
2015-02-06 10:02:02 +01:00
parent 734c4c0143
commit 8672339328
41 changed files with 243 additions and 265 deletions
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2
mysql-test/include/check-testcase.test
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@ -66,7 +66,7 @@ if ($tmp)
--echo Gtid_IO_Pos #
--echo Replicate_Do_Domain_Ids
--echo Replicate_Ignore_Domain_Ids
--echo Parallel_Mode domain,follow_master_commit
--echo Parallel_Mode conservative
}
if (!$tmp) {
# Note: after WL#5177, fields 13-18 shall not be filtered-out.