9aman opened a new pull request, #15097:
URL: https://github.com/apache/pinot/pull/15097
## Issue
Deadlock while performing reingestion in the DR for pauseless.
## Details
- Reingestion of `ERROR` segments while fixing pauseless tables acquires
segBuildSemaphore
- The segBuildSemaphore was not released
- This was causing threads to indefinitely wait to build segments.
- Helix state transitions rely on segment lock.
- Segment lock is also attained in `RealtimeSegmentDataManager` before
building the segment.
- Thus, the state transitions also got blocked hogging all the helix
state transition threads.
- This paused ingestion for normal tables as well.
### Thread dump
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