somandal commented on code in PR #15360:
URL: https://github.com/apache/pinot/pull/15360#discussion_r2012274941
##########
pinot-controller/src/main/java/org/apache/pinot/controller/helix/core/rebalance/DefaultRebalancePreChecker.java:
##########
@@ -109,12 +111,18 @@ private RebalancePreCheckerResult
checkReloadNeededOnServers(String rebalanceJob
try (PoolingHttpClientConnectionManager connectionManager = new
PoolingHttpClientConnectionManager()) {
TableMetadataReader metadataReader = new
TableMetadataReader(_executorService, connectionManager,
_pinotHelixResourceManager);
+ // Only send needReload request to servers that are part of the current
assignment. The tagged server list may
+ // include new servers which are part of target assignment but not
current assignment. needReload throws an
+ // exception for servers that don't contain segments for the given table
+ Set<String> serverInstanceSet =
getCurrentlyAssignedServerSet(currentAssignment);
TableMetadataReader.TableReloadJsonResponse needsReloadMetadataPair =
-
metadataReader.getServerCheckSegmentsReloadMetadata(tableNameWithType, 30_000);
+
metadataReader.getServerCheckSegmentsReloadMetadataForServerSet(tableNameWithType,
30_000,
Review Comment:
done
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