vinishjail97 commented on code in PR #621:
URL: https://github.com/apache/incubator-xtable/pull/621#discussion_r1909577799
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xtable-core/src/main/java/org/apache/xtable/iceberg/IcebergConversionTarget.java:
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@@ -211,18 +222,34 @@ public void syncFilesForDiff(DataFilesDiff dataFilesDiff)
{
@Override
public void completeSync() {
- transaction
- .expireSnapshots()
- .expireOlderThan(
- Instant.now().minus(snapshotRetentionInHours,
ChronoUnit.HOURS).toEpochMilli())
- .deleteWith(this::safeDelete) // ensures that only metadata files are
deleted
- .cleanExpiredFiles(true)
- .commit();
+ boolean useInternalIcebergCleaner = useInternalCleaner();
+ ExpireSnapshots expireSnapshots =
+ transaction
+ .expireSnapshots()
+ .expireOlderThan(
+ Instant.now().minus(snapshotRetentionInHours,
ChronoUnit.HOURS).toEpochMilli())
+ .cleanExpiredFiles(!useInternalIcebergCleaner); // is internal
cleaner is enabled, disable iceberg cleaner
+ List<Snapshot> removedSnapshots = expireSnapshots.apply();
Review Comment:
Does `expiredSnapshots.apply()` do a a list for the metadata folder for this
? I was trying to understand how expensive this could be for example if we
retained 2 days of manifests assuming we have a commit every 5min.
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