Type:
Bug
Priority:
Critical
Resolution:
Fixed
Affects Version/s:
10.6 , 10.11 , 11.0(EOL) , 11.1(EOL) , 11.2(EOL) , 11.3(EOL) , 11.4 , 11.5(EOL)
This ticket offers an alternative to MDEV-33667 solution for improving parallel slave performance of XA transaction load.
Round-robin distribution is mingled with assigning XA-"COMPLETE" events to the same
slave workers that currently may be processing respective XA-PREPARE parts.
The algorithm tries to reach fair distribution but it can't provide the parallelism of
XA-PREPARE with XA-COMMIT (ROLLBACK).
Currently knielsen_xa_sched_minimal_fix branch contains such solution.
10.6 Rebase branch: bb-10.6-MDEV-33668
https://github.com/MariaDB/server/commits/bb-10.6-MDEV-33668/
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