somandal commented on code in PR #16931:
URL: https://github.com/apache/pinot/pull/16931#discussion_r2412446454
##########
pinot-server/src/main/java/org/apache/pinot/server/starter/helix/HelixInstanceDataManager.java:
##########
@@ -160,6 +164,16 @@ public synchronized void init(PinotConfiguration config,
HelixManager helixManag
} else {
LOGGER.info("SegmentPreloadExecutor was not created with pool size: {}",
maxSegmentPreloadThreads);
}
+ _enableSegmentRefreshAsynchronousHandling =
isEnableSegmentRefreshAsynchronousHandling();
+ if (_enableSegmentRefreshAsynchronousHandling) {
+ _segmentRefreshExecutor =
Executors.newFixedThreadPool(maxParallelRefreshThreads,
Review Comment:
done
##########
pinot-server/src/main/java/org/apache/pinot/server/starter/helix/HelixInstanceDataManager.java:
##########
@@ -340,7 +358,13 @@ public void replaceSegment(String tableNameWithType,
String segmentName)
LOGGER.info("Replacing segment: {} in table: {}", segmentName,
tableNameWithType);
TableDataManager tableDataManager =
_tableDataManagerMap.get(tableNameWithType);
if (tableDataManager != null) {
- tableDataManager.replaceSegment(segmentName);
+ if (_enableSegmentRefreshAsynchronousHandling) {
+ LOGGER.info("Asynchronous segment refresh handling enabled, enqueuing
segment: {} to be replaced in table: {}",
+ segmentName, tableNameWithType);
+ tableDataManager.enqueueSegmentToReplace(segmentName);
Review Comment:
done
##########
pinot-server/src/main/java/org/apache/pinot/server/starter/helix/HelixInstanceDataManagerConfig.java:
##########
@@ -100,6 +100,11 @@ public class HelixInstanceDataManagerConfig implements
InstanceDataManagerConfig
//
public static final String MAX_PARALLEL_REFRESH_THREADS =
"max.parallel.refresh.threads";
+ // Whether to process SEGMENT_REFRESH in a synchronous or asynchronous
manner when the messaged is received.
+ // Defaults to false, meaning SEGMENT_REFRESH will be processed in a
synchronous manner.
+ public static final String ENABLE_SEGMENT_REFRESH_ASYNCHRONOUS_HANDLING =
"segment.refresh.asynchronous.handling";
Review Comment:
done
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