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  1. MariaDB Server
  2. MDEV-13690

Remove unnecessary innodb_use_mtflush, innodb_mtflush_threads parameters and related code

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        is blocked by

        Task - A task that needs to be done. MDEV-13674 Deprecate innodb_use_mtflush and innodb_mtflush_threads

        • Major - Major loss of function.
        • Closed
        relates to

        Bug - A problem which impairs or prevents the functions of the product. MDEV-13444 assertion mtflush_io != NULL on exit with innodb-use-mtflush

        • Major - Major loss of function.
        • Closed

        Bug - A problem which impairs or prevents the functions of the product. MDEV-25003 mtflush_service_io - workitem status is always SUCCESS even if pool flush fails

        • Minor - Minor loss of function, or other problem where easy workaround is present.
        • Closed

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          jplindst Jan Lindström (Inactive) added a comment -

          http://lists.askmonty.org/pipermail/commits/2017-September/011436.html

          jplindst Jan Lindström (Inactive) added a comment - http://lists.askmonty.org/pipermail/commits/2017-September/011436.html
          jplindst Jan Lindström (Inactive) added a comment -

          greenman Can you update KB that from 10.2.9 these variables are deprecated and from 10.3.2 these variables are removed.

          jplindst Jan Lindström (Inactive) added a comment - greenman Can you update KB that from 10.2.9 these variables are deprecated and from 10.3.2 these variables are removed.
          jplindst Jan Lindström (Inactive) added a comment -

          greenman Can you update KB that from 10.2.9 these variables are deprecated and from 10.3.2 these variables are removed.

          jplindst Jan Lindström (Inactive) added a comment - greenman Can you update KB that from 10.2.9 these variables are deprecated and from 10.3.2 these variables are removed.
          greenman Ian Gilfillan added a comment -

          Done, https://mariadb.com/kb/en/the-mariadb-library/xtradbinnodb-server-system-variables/ has been updated, will add to version release notes as well.

          greenman Ian Gilfillan added a comment - Done, https://mariadb.com/kb/en/the-mariadb-library/xtradbinnodb-server-system-variables/ has been updated, will add to version release notes as well.
          marko Marko Mäkelä added a comment -

          Looks OK, but please apply also this:

          diff --git a/mysql-test/suite/sys_vars/r/sysvars_innodb,32bit.rdiff b/mysql-test/suite/sys_vars/r/sysvars_innodb,32bit.rdiff
          		 
          index 46d6d7b30a4..27cead59b58 100644
          		 
          --- a/mysql-test/suite/sys_vars/r/sysvars_innodb,32bit.rdiff
          		 
          +++ b/mysql-test/suite/sys_vars/r/sysvars_innodb,32bit.rdiff
          		 
          @@ -364,15 +364,6 @@
          		 
            VARIABLE_COMMENT	Maximum delay of user threads in micro-seconds
          		 
            NUMERIC_MIN_VALUE	0
          		 
            NUMERIC_MAX_VALUE	10000000
          		 
          -@@ -1636,7 +1636,7 @@
          		 
          - GLOBAL_VALUE_ORIGIN	COMPILE-TIME
          		 
          - DEFAULT_VALUE	8
          		 
          - VARIABLE_SCOPE	GLOBAL
          		 
          --VARIABLE_TYPE	BIGINT
          		 
          -+VARIABLE_TYPE	INT
          		 
          - VARIABLE_COMMENT	DEPRECATED. Number of multi-threaded flush threads
          		 
          - NUMERIC_MIN_VALUE	1
          		 
          - NUMERIC_MAX_VALUE	64
          		 
           @@ -1692,10 +1692,10 @@
          		 
            GLOBAL_VALUE_ORIGIN	COMPILE-TIME
          		 
            DEFAULT_VALUE	0

          marko Marko Mäkelä added a comment - Looks OK, but please apply also this: diff --git a/mysql-test/suite/sys_vars/r/sysvars_innodb,32bit.rdiff b/mysql-test/suite/sys_vars/r/sysvars_innodb,32bit.rdiff index 46d6d7b30a4..27cead59b58 100644 --- a/mysql-test/suite/sys_vars/r/sysvars_innodb,32bit.rdiff +++ b/mysql-test/suite/sys_vars/r/sysvars_innodb,32bit.rdiff @@ -364,15 +364,6 @@ VARIABLE_COMMENT Maximum delay of user threads in micro-seconds NUMERIC_MIN_VALUE 0 NUMERIC_MAX_VALUE 10000000 -@@ -1636,7 +1636,7 @@ - GLOBAL_VALUE_ORIGIN COMPILE-TIME - DEFAULT_VALUE 8 - VARIABLE_SCOPE GLOBAL --VARIABLE_TYPE BIGINT -+VARIABLE_TYPE INT - VARIABLE_COMMENT DEPRECATED. Number of multi-threaded flush threads - NUMERIC_MIN_VALUE 1 - NUMERIC_MAX_VALUE 64 @@ -1692,10 +1692,10 @@ GLOBAL_VALUE_ORIGIN COMPILE-TIME DEFAULT_VALUE 0
          jplindst Jan Lindström (Inactive) added a comment -

          commit 016c35a7f2f4a288542f5fcb0e182c05238398e6
          Author: Jan Lindström <jan.lindstrom@mariadb.com>
          Date: Fri Sep 1 18:33:46 2017 +0300

          MDEV-13690: Remove unnecessary innodb_use_mtflush, innodb_mtflush_threads parameters and related code

          Users can use innodb-page-cleaners instead.

          jplindst Jan Lindström (Inactive) added a comment - commit 016c35a7f2f4a288542f5fcb0e182c05238398e6 Author: Jan Lindström <jan.lindstrom@mariadb.com> Date: Fri Sep 1 18:33:46 2017 +0300 MDEV-13690 : Remove unnecessary innodb_use_mtflush, innodb_mtflush_threads parameters and related code Users can use innodb-page-cleaners instead.

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            jplindst Jan Lindström (Inactive)
            jplindst Jan Lindström (Inactive)
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