gianm commented on a change in pull request #7088: Improve parallelism of
zookeeper based segment change processing
URL: https://github.com/apache/incubator-druid/pull/7088#discussion_r279101661
##########
File path:
server/src/main/java/org/apache/druid/server/coordinator/CuratorLoadQueuePeon.java
##########
@@ -152,29 +176,18 @@ public int getNumberOfSegmentsInQueue()
@Override
public void loadSegment(final DataSegment segment, final LoadPeonCallback
callback)
{
- synchronized (lock) {
- if ((currentlyProcessing != null) &&
- currentlyProcessing.getSegmentId().equals(segment.getId())) {
- if (callback != null) {
- currentlyProcessing.addCallback(callback);
- }
- return;
- }
- }
+ SegmentHolder segmentHolder = new SegmentHolder(segment, LOAD,
Collections.singletonList(callback));
Review comment:
Having the null check earlier is probably a bit cleaner but it also seems
like a minor point.
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