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* MDEV-19274 mariadb does not build on OSes that do not have HAVE_POOL_OF_THREADSbb-10.4-aix-build-fixVladislav Vaintroub2019-04-181-0/+7
| | | | | | | | Do not try to compile threadpool_common.cc, if threadpool is not available on current OS. Also introduced undocumented/uncached CMake variable DISABLE_THREADPOOL, to emulate builds on exotic OSes.
* Merge branch '10.1' into 10.2Sergei Golubchik2017-03-301-1/+1
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| * Correct FSF addressiangilfillan2017-03-101-1/+1
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* | MDEV-10297 Add priorization to threadpoolVladislav Vaintroub2016-09-221-18/+103
| | | | | | | | Also MDEV-10385 Threadpool refactoring
* | Fix leak from missing my_thread_endVladislav Vaintroub2016-03-091-1/+0
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* | Fix threadpool after it was broken by MDEV-6150Vladislav Vaintroub2016-03-081-1/+1
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* | Fix compilation10.2-sslVladislav Vaintroub2016-02-101-2/+0
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* | MDEV-6150 Speed up connection speed by moving creation of THD to new threadMonty2016-02-071-1/+3
|/ | | | | | | | | | | | | | | | Creating a CONNECT object on client connect and pass this to the working thread which creates the THD. Split LOCK_thread_count to different mutexes Added LOCK_thread_start to syncronize threads Moved most usage of LOCK_thread_count to dedicated functions Use next_thread_id() instead of thread_id++ Other things: - Thread id now starts from 1 instead of 2 - Added cast for thread_id as thread id is now of type my_thread_id - Made THD->host const (To ensure it's not changed) - Removed some DBUG_PRINT() about entering/exiting mutex as these was already logged by mutex code - Fixed that aborted_connects and connection_errors_internal are counted in all cases - Don't take locks for current_linfo when we set it (not needed as it was 0 before)
* Merge branch '10.0' into 10.1Sergei Golubchik2015-12-211-0/+1
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| * MDEV-9156 : Fix tp_add_connection()'s error handlingVladislav Vaintroub2015-12-041-0/+1
| | | | | | | | Avoid possible my_thread_end() in the main polling thread.
* | Improve performance for calculating memory allocationMonty2015-02-011-1/+2
|/ | | | Extend interface for 'show variables' with current scope
* MDEV-5205 - MariaDB does not start if more than 128 cpu's are availableSergey Vojtovich2013-11-051-1/+2
| | | | | | | | | | | - thread_pool_size command line option upper limit increased to 100 000 (same as for max_connections) - thread_pool_size system variable upper limit is maximum of 128 or the value given at command line - thread groups are now allocated dynamically Different limit for command line option and system variable was done to avoid additional mutex for all_groups and threadpool_max_size.
* Added copiright, some more commentsVladislav Vaintroub2012-02-171-0/+14
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* address second round review commentsVladislav Vaintroub2012-02-161-2/+1
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* small cleanupsVladislav Vaintroub2012-01-241-0/+6
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* Get rid of idle thread counter atomic variable.Vladislav Vaintroub2012-01-151-2/+5
| | | | | Instead, use function that loops over groups and calculates idle threads for "show status".
* Threadpool -address review commentsVladislav Vaintroub2012-01-151-17/+15
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* Allow for faster creation of threads in corner cases where pool would be ↵Vladislav Vaintroub2011-12-311-0/+1
| | | | | | | | overloaded with long non-yielding queries. To allow it, change minimum of thread_pool_stall_limit to be 10 milliseconds. Also introduce a new parameter to oversubscribe a group . Number of threads running in parallel would be higher than it normally should, leading to thrashing, but it may improving preemptiveness, which is useful for the described corner case.
* Make threadpool_stall_limit variable really dynamicVladislav Vaintroub2011-12-291-0/+1
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* allow changing thread_pool_size without server restartVladislav Vaintroub2011-12-191-0/+3
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* Small adjustements to threadpoolVladislav Vaintroub2011-12-181-3/+0
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* Initial threadpool implementation for MariaDB 5.5Vladislav Vaintroub2011-12-081-0/+47
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