Jackie-Jiang commented on code in PR #11183:
URL: https://github.com/apache/pinot/pull/11183#discussion_r1281411894
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pinot-server/src/main/java/org/apache/pinot/server/starter/helix/HelixInstanceDataManager.java:
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@@ -242,6 +242,30 @@ public void addRealtimeSegment(String realtimeTableName,
String segmentName)
LOGGER.info("Added segment: {} to table: {}", segmentName,
realtimeTableName);
}
+ private void snapshotAndAddSegments(TableDataManager tableDataManager,
String realtimeTableName)
+ throws Exception {
+ // we need to do an atomic snapshot here and then add segments because
Review Comment:
Oh, didn't notice that this is within the `computeIfPresent()`. So the race
condition is not there, but it will block all the queries at the same time. In
order to solve this, we still need to use lock so that queries can still
acquire the old table data manager
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