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MDEV-6676: Optimistic parallel replication

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Implement a new mode for parallel replication. In this mode, all transactions
are optimistically attempted applied in parallel. In case of conflicts, the
offending transaction is rolled back and retried later non-parallel.

This is an early-release patch to facilitate testing, more changes to user
interface / options will be expected. The new mode is not enabled by default.
This commit is contained in:
Kristian Nielsen
2014-12-05 16:09:48 +01:00
parent 1e3f09f163
commit db21fddc37
55 changed files with 2596 additions and 466 deletions
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1
mysql-test/include/check-testcase.test
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@ -66,6 +66,7 @@ if ($tmp)
--echo Gtid_IO_Pos #
--echo Replicate_Do_Domain_Ids
--echo Replicate_Ignore_Domain_Ids
--echo Parallel_Mode domain,follow_master_commit
}
if (!$tmp) {
# Note: after WL#5177, fields 13-18 shall not be filtered-out.