ankitsultana commented on code in PR #8989:
URL: https://github.com/apache/pinot/pull/8989#discussion_r920217281
##########
pinot-controller/src/main/java/org/apache/pinot/controller/helix/core/assignment/instance/InstanceAssignmentDriver.java:
##########
@@ -55,19 +58,36 @@ public InstanceAssignmentDriver(TableConfig tableConfig) {
public InstancePartitions assignInstances(InstancePartitionsType
instancePartitionsType,
List<InstanceConfig> instanceConfigs, @Nullable InstancePartitions
existingInstancePartitions) {
String tableNameWithType = _tableConfig.getTableName();
- LOGGER.info("Starting {} instance assignment for table: {}",
instancePartitionsType, tableNameWithType);
+ Preconditions.checkState(!TableConfigUtils.isTableInGroup(_tableConfig));
InstanceAssignmentConfig assignmentConfig =
InstanceAssignmentConfigUtils.getInstanceAssignmentConfig(_tableConfig,
instancePartitionsType);
+ String instancePartitionsName =
instancePartitionsType.getInstancePartitionsName(
+ TableNameBuilder.extractRawTableName(tableNameWithType));
+ return assignInstances(instancePartitionsName,
+ tableNameWithType, instanceConfigs, assignmentConfig,
existingInstancePartitions);
+ }
+
+ public static InstancePartitions assignInstancesToGroup(String groupName,
+ List<InstanceConfig> instanceConfigs, InstanceAssignmentConfig
assignmentConfig) {
+ String instancePartitionsName =
InstancePartitionsUtils.getGroupInstancePartitionsName(groupName);
+ return assignInstances(instancePartitionsName, groupName, instanceConfigs,
assignmentConfig, null);
+ }
+
+ private static InstancePartitions assignInstances(String
instancePartitionsName, String entityName,
Review Comment:
Yeah so this method is essentially getting called for both a table-group and
a table itself, so it could either be a table-group name or a table name. This
name is being used for logging and performing hash-based rotations (e.g.
`HashBasedRotateInstanceConstraintApplier`).
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