npawar commented on code in PR #8663: URL: https://github.com/apache/pinot/pull/8663#discussion_r875040716
########## pinot-controller/src/main/java/org/apache/pinot/controller/helix/core/realtime/PinotLLCRealtimeSegmentManager.java: ########## @@ -1385,4 +1386,89 @@ public void uploadToDeepStoreIfMissing(TableConfig tableConfig, List<SegmentZKMe } } } + + /** + * Creates PROPERTYSTORE and IDEALSTATE entries for each partitionGroup to resume realtime table consumption + * @param tableName + */ + public void resumeRealtimeTableConsumption(String tableName) { + TableConfig tableConfig = _helixResourceManager.getTableConfig(tableName, TableType.REALTIME); + String realtimeTableName = TableNameBuilder.REALTIME.tableNameWithType(tableName); + + InstancePartitions instancePartitions = + InstancePartitionsUtils.fetchOrComputeInstancePartitions(_helixResourceManager.getHelixZkManager(), tableConfig, + InstancePartitionsType.CONSUMING); + Map<InstancePartitionsType, InstancePartitions> instancePartitionsMap = + Collections.singletonMap(InstancePartitionsType.CONSUMING, instancePartitions); + IdealState idealState = + HelixHelper.getTableIdealState(_helixResourceManager.getHelixZkManager(), realtimeTableName); + int numReplicas = getNumReplicas(tableConfig, instancePartitions); + Map<String, Map<String, String>> instanceStatesMap = idealState.getRecord().getMapFields(); + + PartitionLevelStreamConfig streamConfig = new PartitionLevelStreamConfig(tableConfig.getTableName(), + IngestionConfigUtils.getStreamConfigMap(tableConfig)); + List<PartitionGroupConsumptionStatus> currentPartitionGroupConsumptionStatusList = + getPartitionGroupConsumptionStatusList(idealState, streamConfig); + // Read the smallest offset when a new partition is detected + OffsetCriteria originalOffsetCriteria = streamConfig.getOffsetCriteria(); + streamConfig.setOffsetCriteria(OffsetCriteria.SMALLEST_OFFSET_CRITERIA); + List<PartitionGroupMetadata> newPartitionGroupMetadataList = + getNewPartitionGroupMetadataList(streamConfig, currentPartitionGroupConsumptionStatusList); + streamConfig.setOffsetCriteria(originalOffsetCriteria); + + int numPartitionGroups = newPartitionGroupMetadataList.size(); + Map<Integer, SegmentZKMetadata> partitionToLatestSegment = getLatestSegmentZKMetadataMap(realtimeTableName); + for (PartitionGroupMetadata partitionGroupMetadata : newPartitionGroupMetadataList) { Review Comment: imo this is okay, as we have all logic in one place and we're not just creating new partition groups but running the whole flow with all the cases. My main concern was that we were just doing half of the things -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: commits-unsubscr...@pinot.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@pinot.apache.org For additional commands, e-mail: commits-h...@pinot.apache.org