Hi all, since upgrading from 8.19.3 to 9.1.3 i'm seeing a massive increase of read IOPS on the Hot node disks. I couldn't see anything obvious in the release notes that would lead to this outside of the new JDK version and new Lucene version. Here's a screenshot of it: [image] This is now throw…

Increased Read IOPS usage after upgrade from 8.19.3 to 9.1.3

RainTown (Kevin Maguire) September 25, 2025, 1:37pm 4

We had similar thread before, which sadly did not reach a conclusion:

I made some comments in that thread, which may or not have been helpful there, and same applies here.

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