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- 4615. By Kristian Nielsen
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MDEV-7458: Deadlock in parallel replication can allow following transaction to start replicating too early
In parallel replication, don't rollback inside ha_commit_trans() in case of
error.The rollback will be done later, but the parallel replication code needs to
run unmark_start_commit( ) before the rollback to properly control the
sequencing of transactions.I did not manage to come up with a reliable automatic test case for this, but
I tested it manually. - 4614. By Kristian Nielsen
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Add error handling on realpath() call.
(Without this, it happened for me that realpath() failed returning
undef for the default vardir. This in turn caused mysql-test-run.pl to
delete the source mysql-test/ directory.)Backport from 10.1, it's not nice to get one's source directory nuked
by a rouge mysql-test-run. - 4613. By Kristian Nielsen
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MDEV-7568: STOP SLAVE crashes the server
The order of initialisation during server startup was incorrect. The slave
threads were started before the parallel replication worker thread pool was
initialised, allowing a race where uninitialised data could be accessed. - 4606. By Sergei Golubchik
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fix a case where automatic procedure grant was changing user's password
phase out make_password_
from_salt( ) to be removed in 10.1
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