jerqi commented on code in PR #2708:
URL: https://github.com/apache/uniffle/pull/2708#discussion_r2681964492


##########
server/src/main/java/org/apache/uniffle/server/TopNShuffleDataSizeOfAppCalcTask.java:
##########
@@ -127,8 +135,8 @@ public List<Map.Entry<String, ShuffleTaskInfo>> 
calcTopNOnHadoopDataSizeTaskInfo
 
   public void start() {
     LOG.info("TopNShuffleDataSizeOfAppCalcTask start schedule.");
-    this.scheduler.scheduleAtFixedRate(
-        this::calcTopNShuffleDataSize,
+    this.scheduler.scheduleWithFixedDelay(
+        this::calcTopNShuffleDataSizeIgnoreErrors,

Review Comment:
   ExceptionHandler may be better. You can see 
https://stackoverflow.com/questions/3875739/exception-handling-in-threadpools/3875784#3875784



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