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Posted to reviews@iotdb.apache.org by GitBox <gi...@apache.org> on 2022/03/07 12:41:55 UTC

[GitHub] [iotdb] THUMarkLau commented on a change in pull request #5170: [IOTDB-2651] Fix write performance deteriorates severely

THUMarkLau commented on a change in pull request #5170:
URL: https://github.com/apache/iotdb/pull/5170#discussion_r820667301



##########
File path: server/src/main/java/org/apache/iotdb/db/engine/compaction/CompactionTaskManager.java
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@@ -238,7 +239,8 @@ public synchronized void submitTaskFromTaskQueue() {
     try {
       while (currentTaskNum.get()
               < IoTDBDescriptor.getInstance().getConfig().getConcurrentCompactionThread()
-          && !candidateCompactionTaskQueue.isEmpty()) {
+          && !candidateCompactionTaskQueue.isEmpty()
+          && candidateCompactionTaskQueue.toString() != null) {

Review comment:
       This is a debug statement so that I can get  the return value of this statement through arthas. I will remove this statement later.




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