danny0405 commented on a change in pull request #4336:
URL: https://github.com/apache/hudi/pull/4336#discussion_r771085416
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File path:
hudi-client/hudi-client-common/src/main/java/org/apache/hudi/metadata/HoodieBackedTableMetadataWriter.java
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@@ -706,7 +706,20 @@ protected void
compactIfNecessary(AbstractHoodieWriteClient writeClient, String
}
}
- protected void doClean(AbstractHoodieWriteClient writeClient, String
instantTime) {
+ protected void cleanIfNecessary(AbstractHoodieWriteClient writeClient,
String instantTime) {
+ Option<HoodieInstant> lastCompletedCompactionInstant =
metadataMetaClient.reloadActiveTimeline()
+ .getCommitTimeline().filterCompletedInstants().lastInstant();
+ if (lastCompletedCompactionInstant.isPresent()
+ && metadataMetaClient.getActiveTimeline().filterCompletedInstants()
+
.findInstantsAfter(lastCompletedCompactionInstant.get().getTimestamp()).countInstants()
< 3) {
+ // do not clean the log files immediately after compaction to give some
buffer time for metadata table reader,
Review comment:
Now the default compaction delta commits is 10, the min retain commits
is 20, the max retain commits is 30.
When the second compaction schedules and triggers, there are about 22
commits on the timeline, which would then trigger the cleaning immediately.
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