[GitHub] [iotdb] zhanglingzhe0820 commented on a change in pull request #2605: Add level merge to "merge" command

[GitBox <gi...@apache.org>]

zhanglingzhe0820 commented on a change in pull request #2605:
URL: https://github.com/apache/iotdb/pull/2605#discussion_r567629060



##########
File path: server/src/main/java/org/apache/iotdb/db/engine/storagegroup/StorageGroupProcessor.java
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@@ -1886,13 +1889,9 @@ private void loadUpgradedResources(List<TsFileResource> resources, boolean isseq
     resources.clear();
   }
 
-  public void merge(boolean fullMerge) {
-    writeLock();
-    try {
-      this.tsFileManagement.merge(fullMerge, tsFileManagement.getTsFileList(true),
-          tsFileManagement.getTsFileList(false), dataTTL);
-    } finally {
-      writeUnlock();
+  public void merge(boolean isFullMerge) {
+    for (long timePartitionId : timePartitionIdVersionControllerMap.keySet()) {
+      executeCompaction(timePartitionId, isFullMerge);
     }

Review comment:
       The param `compactionMergeWorking` in `StorageGroupProcessor` ensures that there is only one compaction thread.




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