Details
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Bug
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Status: Closed (View Workflow)
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Major
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Resolution: Cannot Reproduce
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10.2.12
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None
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Centos 7
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10.4.0-1
Description
I set the memory for my engine to 34GB
show variables like 'rocks%block%'
|
-> ;
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+-------------------------------------------------+-------------+
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| Variable_name | Value |
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+-------------------------------------------------+-------------+
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| rocksdb_block_cache_size | 36507222016 |
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and memlock=1 in /etc/my.cnf
but it locks only 10GB
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cat /proc/$( pgrep -o mysql )/status | grep VmLck
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VmLck: 10354096 kB
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My limits are fine:
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cat /proc/$( pgrep -o mysql )/limits
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Limit Soft Limit Hard Limit Units
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Max cpu time unlimited unlimited seconds
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Max file size unlimited unlimited bytes
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Max data size unlimited unlimited bytes
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Max stack size 8388608 unlimited bytes
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Max core file size 0 unlimited bytes
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Max resident set unlimited unlimited bytes
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Max processes 543577 543577 processes
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Max open files 10000 10000 files
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Max locked memory unlimited unlimited bytes
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Max address space unlimited unlimited bytes
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Max file locks unlimited unlimited locks
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Max pending signals 543577 543577 signals
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Max msgqueue size 819200 819200 bytes
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Max nice priority 0 0
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Max realtime priority 0 0
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Max realtime timeout unlimited unlimited us
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The box has plenty of free memory
free -g
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total used free shared buff/cache available
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Mem: 132 65 18 2 48 54
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How do I make sure that mariadb locks all memory so it ever gets paged out or killed by the OOM?