walterddr commented on a change in pull request #8078:
URL: https://github.com/apache/pinot/pull/8078#discussion_r798796933



##########
File path: 
pinot-controller/src/main/java/org/apache/pinot/controller/helix/core/PinotHelixResourceManager.java
##########
@@ -703,7 +703,9 @@ public synchronized PinotResourceManagerResponse 
deleteSegments(String tableName
       
Preconditions.checkArgument(TableNameBuilder.isTableResource(tableNameWithType),
           "Table name: %s is not a valid table name with type suffix", 
tableNameWithType);
       HelixHelper.removeSegmentsFromIdealState(_helixZkManager, 
tableNameWithType, segmentNames);
-      _segmentDeletionManager.deleteSegments(tableNameWithType, segmentNames);
+      TableConfig tableConfig = 
ZKMetadataProvider.getTableConfig(_propertyStore, tableNameWithType);
+      long retentionMs = 
_segmentDeletionManager.getRetentionFromTableConfig(tableConfig);
+      _segmentDeletionManager.deleteSegments(tableNameWithType, segmentNames, 
retentionMs);

Review comment:
       IMO passing in tableConfig will be more confusing because, it is 
possible to use a retentionMs that is not coming from tableConfig; and also 
there's no point passing in table name separately either. 
   
   Let's not restrict the API to only work on tableConfig. 
segmentDeletionManager only needs a zkpath and deep store path to work IMO. 

##########
File path: 
pinot-spi/src/main/java/org/apache/pinot/spi/config/table/SegmentsValidationAndRetentionConfig.java
##########
@@ -29,6 +29,8 @@
 public class SegmentsValidationAndRetentionConfig extends BaseJsonConfig {
   private String _retentionTimeUnit;
   private String _retentionTimeValue;
+  private String _deletedSegmentRetentionTimeUnit;

Review comment:
       would like to keep this consistent with the `retentionTime` setting for 
now, wdyt




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