[MDEV-10242] Non-transactional mysql.gtid_slave_pos breaks --slave-parallel-mode=[optimistic|aggressive] replication Created: 2016-06-16  Updated: 2016-06-16

Status: Open
Project: MariaDB Server
Component/s: Replication
Affects Version/s: 10.1.14
Fix Version/s: 10.1

Type: Bug Priority: Major
Reporter: Kristian Nielsen Assignee: Kristian Nielsen
Resolution: Unresolved Votes: 1
Labels: parallelslave


 Description   

See mail thread at https://lists.launchpad.net/maria-developers/msg09722.html.

Optimistic parallel replication does not work when mysql.gtid_slave_pos is
non-transactional. So either it needs to fallback to non-parallel (like for
other non-transactional updates/DDL), or an error should be given.

An error seems better, as silently falling back to all transactions being
run serially does not seem very useful.
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