klsince commented on code in PR #14094:
URL: https://github.com/apache/pinot/pull/14094#discussion_r1779011276


##########
pinot-segment-local/src/main/java/org/apache/pinot/segment/local/upsert/ConcurrentMapPartitionUpsertMetadataManager.java:
##########
@@ -192,19 +192,8 @@ public void doRemoveExpiredPrimaryKeys() {
     AtomicInteger numTotalKeysMarkForDeletion = new AtomicInteger();
     AtomicInteger numDeletedKeysWithinTTLWindow = new AtomicInteger();
     double largestSeenComparisonValue = _largestSeenComparisonValue.get();
-    double metadataTTLKeysThreshold;
-    if (_metadataTTL > 0) {
-      metadataTTLKeysThreshold = largestSeenComparisonValue - _metadataTTL;
-    } else {
-      metadataTTLKeysThreshold = Double.MIN_VALUE;
-    }
-    double deletedKeysThreshold;
-    if (_deletedKeysTTL > 0) {
-      deletedKeysThreshold = largestSeenComparisonValue - _deletedKeysTTL;
-    } else {
-      deletedKeysThreshold = Double.MIN_VALUE;
-    }
-
+    double metadataTTLKeysThreshold = _metadataTTL > 0 ? 
largestSeenComparisonValue - _metadataTTL : 0;
+    double deletedKeysThreshold = _deletedKeysTTL > 0 ? 
largestSeenComparisonValue - _deletedKeysTTL : 0;

Review Comment:
   as this is to assign value to threshold, it's a bit confusing to reuse this 
constant value here. 
   the removal logic below doesn't use the threshold if metadata/deleted ttl is 
not enabled, so I set 0 for brevity here.



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