Inadequate default for thread_pool_max_threads
Bug #1258097 reported by
Alexey Kopytov
This bug affects 1 person
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
Percona Server moved to https://jira.percona.com/projects/PS |
Fix Released
|
Medium
|
Alexey Kopytov | ||
5.5 |
Fix Released
|
Medium
|
Alexey Kopytov | ||
5.6 |
Fix Released
|
Medium
|
Alexey Kopytov |
Bug Description
The default value (500) for the thread_
Limiting the total number of threads in the threadpool can result in deadlocks and uneven distribution of worker threads between thread groups in case of stalled connections.
Making it unlimited by default makes much more sense. This is to change both the maximum and default values for thread_
Related branches
lp:~akopytov/percona-server/bug1258097-5.5
- George Ormond Lorch III (community): Approve (g2)
-
Diff: 104 lines (+20/-9)3 files modifiedPercona-Server/mysql-test/suite/sys_vars/r/thread_pool_max_threads_basic.result (+12/-6)
Percona-Server/mysql-test/suite/sys_vars/t/thread_pool_max_threads_basic.test (+2/-0)
Percona-Server/sql/sys_vars.cc (+6/-3)
lp:~akopytov/percona-server/bug1258097-5.6
- George Ormond Lorch III (community): Approve (g2)
-
Diff: 103 lines (+19/-9)3 files modifiedPercona-Server/mysql-test/suite/sys_vars/r/thread_pool_max_threads_basic.result (+12/-6)
Percona-Server/mysql-test/suite/sys_vars/t/thread_pool_max_threads_basic.test (+2/-0)
Percona-Server/sql/sys_vars.cc (+5/-3)
description: | updated |
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Percona now uses JIRA for bug reports so this bug report is migrated to: https:/ /jira.percona. com/browse/ PS-1452