zhanglingzhe0820 commented on a change in pull request #2080:
URL: https://github.com/apache/iotdb/pull/2080#discussion_r526830372
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File path:
server/src/main/java/org/apache/iotdb/db/engine/compaction/level/LevelCompactionTsFileManagement.java
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@@ -439,19 +439,26 @@ private void forkTsFileList(
@Override
protected void merge(long timePartition) {
- merge(forkedSequenceTsFileResources, true, timePartition, seqLevelNum,
+ // whether execute merge chunk in this task
+ boolean isMerge = merge(forkedSequenceTsFileResources, true,
timePartition, seqLevelNum,
seqFileNumInEachLevel);
- if (enableUnseqCompaction && unseqLevelNum <= 1 &&
forkedUnSequenceTsFileResources.size() > 0) {
+ if (enableUnseqCompaction && unseqLevelNum <= 1
+ && forkedUnSequenceTsFileResources.get(0).size() > 0) {
+ isMerge = true;
merge(isForceFullMerge, getTsFileList(true),
forkedUnSequenceTsFileResources.get(0),
Long.MAX_VALUE);
} else {
- merge(forkedUnSequenceTsFileResources, false, timePartition,
unseqLevelNum,
- unseqFileNumInEachLevel);
+ isMerge = merge(forkedUnSequenceTsFileResources, false, timePartition,
unseqLevelNum,
+ unseqFileNumInEachLevel) || isMerge;
+ }
+ // if merge in this merge task, execute next merge task to check if need
continuous merge
+ if (isMerge && enableContinuousCompaction) {
+ merge(timePartition);
Review comment:
we want this effect because we want to start a new compaction task after
one compaction task ends
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