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MDEV-27161: Add option for SQL thread to limit maximum execution time per query replicated

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New Feature:
============
This patch adds a new system variable, @@slave_max_statement_time,
which limits the execution time of s slave’s events that implements
an equivalent to @@max_statement_time for slave applier.

Reviewed By:
============
Andrei Elkin <andrei.elkin@mariadb.com>
This commit is contained in:
Brandon Nesterenko
2022-06-27 12:29:10 -06:00
committed by Andrei
parent 7864d955f3
commit 360d99429c
13 changed files with 434 additions and 7 deletions
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6
mysql-test/main/mysqld--help.result
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@@ -1223,6 +1223,11 @@ The following specify which files/extra groups are read (specified before remain
--slave-max-allowed-packet=#
The maximum packet length to sent successfully from the
master to slave.
--slave-max-statement-time=#
A query that has taken more than slave_max_statement_time
seconds to run on the slave will be aborted. The argument
will be treated as a decimal value with microsecond
precision. A value of 0 (default) means no timeout
--slave-net-timeout=#
Number of seconds to wait for more data from any
master/slave connection before aborting the read
@@ -1800,6 +1805,7 @@ slave-ddl-exec-mode IDEMPOTENT
slave-domain-parallel-threads 0
slave-exec-mode STRICT
slave-max-allowed-packet 1073741824
slave-max-statement-time 0
slave-net-timeout 60
slave-parallel-max-queued 131072
slave-parallel-mode conservative