Add NUMA support to PXB
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General
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AFFECTED CS IDs
CS0017156
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Jan Mynar February 19, 2025 at 12:25 PM
delivered (explained) by the linked issue (doc) in the comment
Jan Mynar February 19, 2025 at 12:24 PM
please provide a explanation and close the issue
Marcelo Altmann August 10, 2022 at 1:30 PM
Created to deal with documentation improvement.
George Lorch April 8, 2021 at 5:27 PM
Just occurred to me too that at a minimum we should document numa implications in PXB and specifically guidance on --use-memory on numa systems. , can you create a low-prio doc ticket andd add it to your backlog? Thanks!
Sveta Smirnova April 8, 2021 at 2:52 PM
This is with option --use-memory=10G:
Currently, PXB does not support NUMA as InnoDB does. This cause various issues, including out of memory kills on some environment *when PXB backups large active MySQL server). Please add NUMA support to PXB.
How to Repeat.
1. Start sandbox, create database sbtest, few tables in it and start sysbench /usr/share/sysbench/oltp_point_select.lua:
2. Start backup:
3. While backup is running watch NUMA: