jackjlli commented on a change in pull request #5039: Close Kafka consumer before building
or downloading immutable segment
URL: https://github.com/apache/incubator-pinot/pull/5039#discussion_r375543320
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File path: pinot-core/src/main/java/org/apache/pinot/core/data/manager/realtime/LLRealtimeSegmentDataManager.java
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@@ -1106,6 +1130,15 @@ public LLRealtimeSegmentDataManager(RealtimeSegmentZKMetadata segmentZKMetadata,
// Create record transformer
_recordTransformer = CompositeTransformer.getDefaultTransformer(schema);
+
+ // Acquire semaphore to create Kafka consumers
+ try {
+ _partitionIdSemaphore.acquire();
+ } catch (InterruptedException e) {
+ String errorMsg = "InterruptedException when acquiring semaphore for Segment: " + _segmentNameStr;
+ segmentLogger.error(errorMsg);
Review comment:
It should be ok, since it just logs an error message before the process gets fully shutdown.
Plus, this logic is in the constructor, the segment hasn't been fully instantiated yet.
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