Tuesday, March 18, 2025

Contrib RFC: Counters for Slow InnoDB Sync Reads

I just submitted a MySQL Contribution and I would like to gather feedback about it.  Depending on the received feedback, I might submit an updated contribution.  The contribution is Counters for Slow InnoDB Sync Reads, and its goal is to make MySQL easier to operate on “complex” IO subsystems (like network drives in the cloud).

The bug report / feature request Bug #117740 : Please consider adding Slow IO Counters contains all the details about the contribution and the problem this is solving, including what is a sync read.  If you prefer looking at a PR over a patch file, you can check the Contrib / RFC Fake PR : Bug #117740 - Counters for Slow InnoDB Sync Reads (and if you want to know what is a Fake PR, it is also detailed in there).  If you have thoughts or questions about this, feel free to comment below or in the Contrib Fake PR.

Thanks in advance for any feedback you might have : this will allow me to make the contribution and MySQL even better !

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