MySQL patches by Codership

  1. Series 5.5
  2. Bug #1277053
  3. Comment #7

Comment 7 for bug 1277053

Revision history for this message
Raghavendra D Prabhu (raghavendra-prabhu) wrote :

> So was SHOW and BEGIN (and I assume START TRANSACTION) always part of causal_reads? Why SHOW?

As https://bugs.launchpad.net/percona-xtradb-cluster/+bug/1271177/comments/5 (second point there).

But as per https://bugs.launchpad.net/percona-xtradb-cluster/+bug/1271177/comments/4

it is broken for 5.6 - ie. in 5.6 you can do SHOW without
blocking even with wsrep_causal_reads=1.