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Task
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Major
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Resolution:
Fixed
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innodb_numa_interleave is dormant because of missing cmake tests to enable it.
If enabled innodb_numa_interleave=1 by default tries to interleave over all nodes.
Due to user defined constraints in systemd, containers or otherwise mysqld could of been limited to a smaller set of cpus.
By doing the function call numa_get_mems_allowed rather than assuming all nodes are available the allowed number nodes can be allocated from.
See linked github pull requests.
Daniel Black
made changes -
| Field |
Original Value |
New Value |
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Remote Link
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This issue links to "github pr 236 (Web Link)"
[ 27600
]
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Sergey Vojtovich
made changes -
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Labels
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contribution patch
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contribution foundation patch
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Sergey Vojtovich
made changes -
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Assignee
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Jan Lindström
[ jplindst
]
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Daniel Black
made changes -
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Remote Link
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This issue links to "github pr 238 - cmake to add innodb_numa_interleave (+tests) (Web Link)"
[ 27605
]
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Daniel Black
made changes -
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Summary
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Innodb NUMA interleave - all nodes isn't assured
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Enable Innodb NUMA interleave - (and only use available nodes)
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Daniel Black
made changes -
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Description
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innodb_numa_interleave=1 by default tries to interleave over all nodes.
Due to user defined constraints in systemd, containers or otherwise mysqld could of been limited to a smaller set of cpus.
By doing the function call numa_get_mems_allowed rather than assuming all nodes are available the allowed number nodes can be allocated from.
See linked github pull request.
|
innodb_numa_interleave is dormant because of missing cmake tests to enable it.
If enabled innodb_numa_interleave=1 by default tries to interleave over all nodes.
Due to user defined constraints in systemd, containers or otherwise mysqld could of been limited to a smaller set of cpus.
By doing the function call numa_get_mems_allowed rather than assuming all nodes are available the allowed number nodes can be allocated from.
See linked github pull requests.
|
Daniel Black
made changes -
|
Remote Link
|
This issue links to "github pr 236 (Web Link)"
[ 27600
]
|
|
Daniel Black
made changes -
|
Remote Link
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This issue links to "github pr 238 - cmake to add innodb_numa_interleave (+tests) (Web Link)"
[ 27605
]
|
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Daniel Black
made changes -
|
Remote Link
|
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This issue links to "github pr 240 (Web Link)"
[ 27625
]
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Daniel Black
made changes -
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Fix Version/s
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10.2
[ 14601
]
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Fix Version/s
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10.1
[ 16100
]
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Jan Lindström (Inactive)
made changes -
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Fix Version/s
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10.2.3
[ 22115
]
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Fix Version/s
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10.2
[ 14601
]
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Resolution
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Fixed
[ 1
]
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Status
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Open
[ 1
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Closed
[ 6
]
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Sergei Golubchik
made changes -
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Remote Link
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This issue links to "github pr 240 (Web Link)"
[ 27625
]
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Sergei Golubchik
made changes -
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Workflow
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MariaDB v3
[ 77126
]
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MariaDB v4
[ 132949
]
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MDEV-18860 innodb_numa_interleave is not available in CentOS7 packages
