colinmjj commented on code in PR #158:
URL: https://github.com/apache/incubator-uniffle/pull/158#discussion_r945471436


##########
server/src/main/java/org/apache/uniffle/server/ShuffleTaskManager.java:
##########
@@ -250,11 +242,8 @@ public void updateCachedBlockIds(String appId, int 
shuffleId, ShufflePartitioned
   }
 
   public Roaring64NavigableMap getCachedBlockIds(String appId, int shuffleId) {
-    Map<Integer, Roaring64NavigableMap> shuffleIdToBlockIds = 
cachedBlockIds.get(appId);
-    if (shuffleIdToBlockIds == null) {
-      LOG.warn("Unexpected value when getCachedBlockIds for appId[" + appId + 
"]");
-      return Roaring64NavigableMap.bitmapOf();
-    }
+    Map<Integer, Roaring64NavigableMap> shuffleIdToBlockIds = shuffleTaskInfo

Review Comment:
   Log should be kept to trace unexpected situation.



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