Hi Tomas
The records have a timestamp column so we do know the time they were written. We didn't find any I/O issues that match that time but unfortunately as it's been a while we are not confident with that finding.
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Are there any other corrupted indexes on the table?
That was one of my first questions too. I don't see any physical errors in pg log so not sure if there are other corruptions. One thing we consider doing is to turn on checksums.
Regards
Huan
