Michael Smith has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/21699 )

Change subject: IMPALA-13313: Fix ExpireQueries deadlock
......................................................................


Patch Set 1:

(1 comment)

http://gerrit.cloudera.org:8080/#/c/21699/1/tests/custom_cluster/test_query_expiration.py
File tests/custom_cluster/test_query_expiration.py:

http://gerrit.cloudera.org:8080/#/c/21699/1/tests/custom_cluster/test_query_expiration.py@308
PS1, Line 308:   def test_query_expiration_no_deadlock(self):
             :     """Confirm that queries do not deadlock when one is expiring 
while another starts."""
             :     impalad = self.cluster.get_first_impalad()
             :     num_expired = 
impalad.service.get_metric_value('impala-server.num-queries-expired')
             :
             :     handle = self.execute_query_async("SELECT SLEEP(1000000)",
             :         {'query_timeout_s': '1', 'debug_action': 
'EXPIRE_INACTIVE_QUERY:SLEEP@3000'})
             :
             :     before = time()
             :
             :     result = self.execute_query("SELECT 1", {
             :         'query_timeout_s': '10',
             :         'debug_action': 
'SET_QUERY_INFLIGHT_EXPIRATION:SLEEP@5000'})
             :     assert result.success
             :
             :     
impalad.service.wait_for_metric_value('impala-server.num-queries-expired',
             :                                           num_expired + 1)
             :
             :     assert time() - before < 10
             :
             :     self.__expect_client_state(self.client, handle,
             :                                
self.client.QUERY_STATES['EXCEPTION'])
> Optional: One thing we could add is a line about how sleeping at these loca
Oh yeah, I'll add that so it's clearer why this test exists.



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I6fce4103f6eeb7e9a4320ba1da817cab81071ba3
Gerrit-Change-Number: 21699
Gerrit-PatchSet: 1
Gerrit-Owner: Michael Smith <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Joe McDonnell <[email protected]>
Gerrit-Reviewer: Michael Smith <[email protected]>
Gerrit-Reviewer: Yida Wu <[email protected]>
Gerrit-Comment-Date: Tue, 20 Aug 2024 23:43:18 +0000
Gerrit-HasComments: Yes

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