Csaba Ringhofer has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/23487 )

Change subject: IMPALA-14131: Add flag to configure the default value of 
'impala.disableHmsSync'
......................................................................


Patch Set 6:

(4 comments)

http://gerrit.cloudera.org:8080/#/c/23487/5/be/src/catalog/catalog-server.cc
File be/src/catalog/catalog-server.cc:

http://gerrit.cloudera.org:8080/#/c/23487/5/be/src/catalog/catalog-server.cc@323
PS5, Line 323: all objects
> We always process database events. https://github.com/apache/impala/blob/ma
Can you update the flag description to reflect this? E.g. all objects (with the 
exception of databases).


http://gerrit.cloudera.org:8080/#/c/23487/5/tests/custom_cluster/test_events_custom_configs.py
File tests/custom_cluster/test_events_custom_configs.py:

http://gerrit.cloudera.org:8080/#/c/23487/5/tests/custom_cluster/test_events_custom_configs.py@1848
PS5, Line 1848:       # load tables in cache
> I think you meant 'impala.disableHmsSync' is set to 'true' for the database
>I think you meant 'impala.disableHmsSync' is set to 'true'

oops, yes


http://gerrit.cloudera.org:8080/#/c/23487/5/tests/custom_cluster/test_events_custom_configs.py@1849
PS5, Line 1849:       self.client.execute("invalidate metadata {}".format(tbl))
              :       self.client.execute("describe {}".format(tbl))
              :       self.run_stmt_in_hive(
              :         """ALTER DATABASE {} SET DBPROPERTIES 
('impala.disableHmsSync'='false')"""
              :         .format(unique_database))
              :       events_skipped_before = 
EventProcessorUtils.get_int_metric('events-skipped', 0)
              :       EventProcessorUtils.wait_for_event_processing(self)
              :       # modify data externally
              :       self.run_stmt_in_hive(
> I had to invalidate the tables because they are not loaded in the cache. I
I am not forcing this, but my idea for the function was to use it at multiple 
places (case 1, 3)


http://gerrit.cloudera.org:8080/#/c/23487/6/tests/custom_cluster/test_events_custom_configs.py
File tests/custom_cluster/test_events_custom_configs.py:

http://gerrit.cloudera.org:8080/#/c/23487/6/tests/custom_cluster/test_events_custom_configs.py@1850
PS6, Line 1850:       self.client.execute("describe {}".format(tbl))
I think that DESCRIBE is not the ideal way to do this - this is something that 
we could optimize in the future to avoid loading files, which would make the 
test too easy to pass again. The table is small, so I don't see a reason 
against select *.



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I4ee617aed48575502d9cf5cf2cbea6ec897d6839
Gerrit-Change-Number: 23487
Gerrit-PatchSet: 6
Gerrit-Owner: Sai Hemanth Gantasala <[email protected]>
Gerrit-Reviewer: Csaba Ringhofer <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Quanlong Huang <[email protected]>
Gerrit-Reviewer: Sai Hemanth Gantasala <[email protected]>
Gerrit-Comment-Date: Fri, 21 Nov 2025 15:53:57 +0000
Gerrit-HasComments: Yes

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