Hi team, we recently upgrade Pinot from 0.7.1 ->...
# troubleshootingp
Prashant Pandey
12/15/2021, 9:30 AMHi team, we recently upgrade Pinot from 0.7.1 -> 0.9.1. We have been noticing an increase in controllers’ CPU usage. Here’s the trend for one of the controllers (deployment at 12/15 00:17). Need some help troubleshooting this:
Prashant Pandey
12/15/2021, 9:34 AMScreenshot 2021-12-15 at 3.03.12 PM.png
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Xiang Fu
12/15/2021, 10:04 AM
it meant be some background threads/jobs running after the controller restarted
Xiang Fu
12/15/2021, 10:05 AM
it seems to be similar comparing to 12/14?
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Prashant Pandey
12/15/2021, 10:12 AMYes it is pretty similar just a tad big higher.
Prashant Pandey
12/15/2021, 10:13 AMNormally it’s below 80% but this time we got a few alerts for usage > 80%. Anything we can look at?
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Xiang Fu
12/15/2021, 11:00 AM
hmm, how about doing a thread dump and check what's going on there? I think new version enables some more house keeping tasks
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Prashant Pandey
12/15/2021, 12:06 PMYes, the new version does introduce a
SegmentMergeTask