deniskuzZ commented on code in PR #5666:
URL: https://github.com/apache/hive/pull/5666#discussion_r1990166686


##########
ql/src/java/org/apache/hadoop/hive/ql/queryhistory/repository/IcebergRepository.java:
##########
@@ -176,4 +193,13 @@ private void prepareConfForWrite() {
     SessionStateUtil.addCommitInfo(SessionState.getSessionConf(), 
tableDesc.getTableName(), jobId, 1,
         Maps.fromProperties(tableDesc.getProperties()));
   }
+
+  private void expireSnapshots() {

Review Comment:
   1. you don't need to go down to partition level;
   2. you can get list of iceberg tables from HMS, there is an API for that;
   3. yes, service should be optimized and check the last housekeeping event, 
support table name filtering;
   4. adding it just for query history, doesn't bring much value and is not 
generic;
   5. downstream you can configure all policies in DLM so you don't need this 
at all;



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