LsomeYeah commented on code in PR #6472:
URL: https://github.com/apache/paimon/pull/6472#discussion_r2468123558
##########
paimon-core/src/main/java/org/apache/paimon/append/cluster/IncrementalClusterManager.java:
##########
@@ -69,14 +84,35 @@ public IncrementalClusterManager(
checkArgument(
table.bucketMode() == BucketMode.BUCKET_UNAWARE,
"only append unaware-bucket table support incremental
clustering.");
- // drop stats to reduce memory usage
- this.snapshotReader =
-
table.newSnapshotReader().withPartitionFilter(specifiedPartitions).dropStats();
CoreOptions options = table.coreOptions();
checkArgument(
options.clusteringIncrementalEnabled(),
"Only support incremental clustering when '%s' is true.",
CLUSTERING_INCREMENTAL.key());
+
+ this.partitionComputer =
+ new InternalRowPartitionComputer(
+ table.coreOptions().partitionDefaultName(),
+ table.store().partitionType(),
+ table.partitionKeys().toArray(new String[0]),
+ table.coreOptions().legacyPartitionName());
+
+ this.specifiedPartitions = specifiedPartitions;
+
+ // config for history partition auto clustering
+ this.historyPartitionAutoCluster =
options.clusteringHistoryPartitionAutoEnabled();
+ this.partitionIdleTime = options.clusteringPartitionIdleTime();
+ this.historyPartitionLimit = options.clusteringHistoryPartitionLimit();
+
+ if (historyPartitionAutoCluster) {
Review Comment:
I added a `manifestLevelFilter` in `ManifestReader` to filter the manifest
file according to the minLevel value.
For `readPartitionEntries` in history clustering, if the minLevel >
maxLevel/2, we can filter this manifest file.
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