AmatyaAvadhanula commented on code in PR #14995:
URL: https://github.com/apache/druid/pull/14995#discussion_r1394086926
##########
indexing-service/src/main/java/org/apache/druid/indexing/seekablestream/SeekableStreamIndexTaskRunner.java:
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@@ -793,13 +793,17 @@ public void onFailure(Throwable t)
status = Status.PUBLISHING;
}
+ // The callback for a successful segment publish may remove a sequence
from the publishingSequences,
+ // which is racy and can allow the same sequence to be added to the set
again.
+ // Create a copy of publishing sequences to which we can only add
elements, and not remove them.
+ final Set<String> publishingSequencesSnapshot = new
HashSet<>(publishingSequences);
Review Comment:
Done
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