yiguolei commented on code in PR #59569:
URL: https://github.com/apache/doris/pull/59569#discussion_r2664370015


##########
fe/fe-core/src/main/java/org/apache/doris/common/MarkedCountDownLatch.java:
##########
@@ -24,73 +24,143 @@
 import java.util.List;
 import java.util.Map.Entry;
 import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
 
-public class MarkedCountDownLatch<K, V> extends CountDownLatch {
+public class MarkedCountDownLatch<K, V>  {
+
+    private final Object lock = new Object();
 
     private Multimap<K, V> marks;
     private Multimap<K, V> failedMarks;
     private Status st = Status.OK;
     private int markCount = 0;
+    private CountDownLatch downLatch;
 
     public MarkedCountDownLatch(int count) {
-        super(count);
         this.markCount = count;
+        this.downLatch = new CountDownLatch(count);

Review Comment:
   这个构造函数还存在的意义是什么?



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