GSharayu commented on code in PR #9309:
URL: https://github.com/apache/pinot/pull/9309#discussion_r965283986
##########
pinot-controller/src/main/java/org/apache/pinot/controller/helix/core/assignment/segment/OfflineSegmentAssignment.java:
##########
@@ -52,63 +55,55 @@ protected int getReplication(TableConfig tableConfig) {
@Override
public List<String> assignSegment(String segmentName, Map<String,
Map<String, String>> currentAssignment,
Map<InstancePartitionsType, InstancePartitions> instancePartitionsMap) {
+ SegmentAssignmentStrategy segmentAssignmentStrategy =
_assignmentStrategyMap.get(InstancePartitionsType.OFFLINE);
+ // Need to check assignmentStrategy for Dim Tables as following pre
conditions state would return false
+ if (segmentAssignmentStrategy instanceof
DimTableSegmentAssignmentStrategy) {
+ return segmentAssignmentStrategy.assignSegment(segmentName,
+ currentAssignment, null, InstancePartitionsType.OFFLINE);
+ }
InstancePartitions instancePartitions =
instancePartitionsMap.get(InstancePartitionsType.OFFLINE);
Preconditions.checkState(instancePartitions != null, "Failed to find
OFFLINE instance partitions for table: %s",
_tableNameWithType);
_logger.info("Assigning segment: {} with instance partitions: {} for
table: {}", segmentName, instancePartitions,
_tableNameWithType);
- List<String> instancesAssigned = assignSegment(segmentName,
currentAssignment, instancePartitions);
+ List<String> instancesAssigned = assignSegment(segmentName,
currentAssignment,
+ instancePartitions, segmentAssignmentStrategy,
InstancePartitionsType.OFFLINE);
_logger.info("Assigned segment: {} to instances: {} for table: {}",
segmentName, instancesAssigned,
_tableNameWithType);
return instancesAssigned;
}
- @Override
- protected int getSegmentPartitionId(String segmentName) {
- SegmentZKMetadata segmentZKMetadata =
-
ZKMetadataProvider.getSegmentZKMetadata(_helixManager.getHelixPropertyStore(),
_tableNameWithType, segmentName);
- Preconditions.checkState(segmentZKMetadata != null,
- "Failed to find segment ZK metadata for segment: %s of table: %s",
segmentName, _tableNameWithType);
- return getPartitionId(segmentZKMetadata);
- }
-
- private int getPartitionId(SegmentZKMetadata segmentZKMetadata) {
- String segmentName = segmentZKMetadata.getSegmentName();
- ColumnPartitionMetadata partitionMetadata =
-
segmentZKMetadata.getPartitionMetadata().getColumnPartitionMap().get(_partitionColumn);
- Preconditions.checkState(partitionMetadata != null,
- "Segment ZK metadata for segment: %s of table: %s does not contain
partition metadata for column: %s",
- segmentName, _tableNameWithType, _partitionColumn);
- Set<Integer> partitions = partitionMetadata.getPartitions();
- Preconditions.checkState(partitions.size() == 1,
- "Segment ZK metadata for segment: %s of table: %s contains multiple
partitions for column: %s", segmentName,
- _tableNameWithType, _partitionColumn);
- return partitions.iterator().next();
- }
-
@Override
public Map<String, Map<String, String>> rebalanceTable(Map<String,
Map<String, String>> currentAssignment,
Map<InstancePartitionsType, InstancePartitions> instancePartitionsMap,
@Nullable List<Tier> sortedTiers,
@Nullable Map<String, InstancePartitions> tierInstancePartitionsMap,
Configuration config) {
InstancePartitions offlineInstancePartitions =
instancePartitionsMap.get(InstancePartitionsType.OFFLINE);
+ SegmentAssignmentStrategy segmentAssignmentStrategy =
_assignmentStrategyMap.get(InstancePartitionsType.OFFLINE);
+ // Need to check assignmentStrategy for Dim Tables as following pre
conditions state would return false
+ if (segmentAssignmentStrategy instanceof
DimTableSegmentAssignmentStrategy) {
+ return segmentAssignmentStrategy.reassignSegments(currentAssignment,
+ offlineInstancePartitions, InstancePartitionsType.OFFLINE);
Review Comment:
For Dim tables, we would have reassignSegments bypassing bootstrap, so
should be fine
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