Michael Ho created IMPALA-8983:
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Summary: TestExecutorGroups.test_max_concurrent_queries seems flaky
Key: IMPALA-8983
URL: https://issues.apache.org/jira/browse/IMPALA-8983
Project: IMPALA
Issue Type: Bug
Components: Backend
Affects Versions: Impala 3.4.0
Reporter: Michael Ho
Assignee: Lars Volker
It appears the test failed because an expected query admission failure didn't
happen. Happened once only so far.
{noformat}
Error Message
assert 'Initial admission queue reason: No query slot available on host' in
'Query (id=4a4773e2f93eff7f:754a96ed00000000):\n DEBUG MODE WARNING: Query
profile created while running a DEBUG buil...0)\n -
NumRowsFetchedFromCache: 0 (0)\n - RowMaterializationRate: 0\n -
RowMaterializationTimer: 0.000ns\n'
Stacktrace
custom_cluster/test_executor_groups.py:212: in test_max_concurrent_queries
assert "Initial admission queue reason: No query slot available on host" in
profile
E assert 'Initial admission queue reason: No query slot available on host' in
'Query (id=4a4773e2f93eff7f:754a96ed00000000):\n DEBUG MODE WARNING: Query
profile created while running a DEBUG buil...0)\n -
NumRowsFetchedFromCache: 0 (0)\n - RowMaterializationRate: 0\n -
RowMaterializationTimer: 0.000ns\n'
Standard Error
-- 2019-09-26 13:41:15,462 INFO MainThread: Starting cluster with command:
/data/jenkins/workspace/impala-cdh6.x-core-asan/repos/Impala/bin/start-impala-cluster.py
'--state_store_args=--statestore_update_frequency_ms=50
--statestore_priority_update_frequency_ms=50
--statestore_heartbeat_frequency_ms=50' --cluster_size=1 --num_coordinators=1
--log_dir=/data/jenkins/workspace/impala-cdh6.x-core-asan/repos/Impala/logs/custom_cluster_tests
--log_level=1 --use_exclusive_coordinators '--impalad_args=
-executor_groups=coordinator ' --impalad_args=--default_query_options=
13:41:15 MainThread: Starting impala cluster without executors
13:41:16 MainThread: Found 0 impalad/0 statestored/0 catalogd process(es)
13:41:16 MainThread: Starting State Store logging to
/data/jenkins/workspace/impala-cdh6.x-core-asan/repos/Impala/logs/custom_cluster_tests/statestored.INFO
13:41:16 MainThread: Starting Catalog Service logging to
/data/jenkins/workspace/impala-cdh6.x-core-asan/repos/Impala/logs/custom_cluster_tests/catalogd.INFO
13:41:16 MainThread: Starting Impala Daemon logging to
/data/jenkins/workspace/impala-cdh6.x-core-asan/repos/Impala/logs/custom_cluster_tests/impalad.INFO
13:41:19 MainThread: Found 1 impalad/1 statestored/1 catalogd process(es)
13:41:19 MainThread: Found 1 impalad/1 statestored/1 catalogd process(es)
13:41:19 MainThread: Getting num_known_live_backends from
impala-ec2-centos74-r4-4xlarge-ondemand-0593.vpc.cloudera.com:25000
13:41:19 MainThread: Debug webpage not yet available: ('Connection aborted.',
error(111, 'Connection refused'))
13:41:21 MainThread: Debug webpage did not become available in expected time.
13:41:21 MainThread: Waiting for num_known_live_backends=1. Current value: None
13:41:22 MainThread: Found 1 impalad/1 statestored/1 catalogd process(es)
13:41:22 MainThread: Getting num_known_live_backends from
impala-ec2-centos74-r4-4xlarge-ondemand-0593.vpc.cloudera.com:25000
13:41:22 MainThread: num_known_live_backends has reached value: 1
13:41:22 MainThread: Impala Cluster Running with 1 nodes (1 coordinators, 0
executors).
-- 2019-09-26 13:41:22,976 DEBUG MainThread: Found 1 impalad/1 statestored/1
catalogd process(es)
-- 2019-09-26 13:41:22,976 INFO MainThread: Getting metric:
statestore.live-backends from
impala-ec2-centos74-r4-4xlarge-ondemand-0593.vpc.cloudera.com:25010
-- 2019-09-26 13:41:22,977 INFO MainThread: Starting new HTTP connection
(1): impala-ec2-centos74-r4-4xlarge-ondemand-0593.vpc.cloudera.com
-- 2019-09-26 13:41:22,979 INFO MainThread: Metric
'statestore.live-backends' has reached desired value: 2
-- 2019-09-26 13:41:22,980 DEBUG MainThread: Getting num_known_live_backends
from impala-ec2-centos74-r4-4xlarge-ondemand-0593.vpc.cloudera.com:25000
-- 2019-09-26 13:41:22,980 INFO MainThread: Starting new HTTP connection
(1): impala-ec2-centos74-r4-4xlarge-ondemand-0593.vpc.cloudera.com
-- 2019-09-26 13:41:22,982 INFO MainThread: num_known_live_backends has
reached value: 1
SET
client_identifier=custom_cluster/test_executor_groups.py::TestExecutorGroups::()::test_max_concurrent_queries;
-- connecting to: localhost:21000
-- connecting to localhost:21050 with impyla
-- 2019-09-26 13:41:23,170 INFO MainThread: Closing active operation
-- 2019-09-26 13:41:23,172 INFO MainThread: Adding 2 executors to group
default-pool-group1 with minimum size 2
-- 2019-09-26 13:41:23,172 INFO MainThread: Starting cluster with command:
/data/jenkins/workspace/impala-cdh6.x-core-asan/repos/Impala/bin/start-impala-cluster.py
'--state_store_args=--statestore_update_frequency_ms=50
--statestore_priority_update_frequency_ms=50
--statestore_heartbeat_frequency_ms=50' --cluster_size=2 --num_coordinators=0
--log_dir=/data/jenkins/workspace/impala-cdh6.x-core-asan/repos/Impala/logs/custom_cluster_tests
--log_level=1 --add_executors --impalad_args=-max_concurrent_queries=1
--impalad_args=-executor_groups=default-pool-group1:2
--impalad_args=--default_query_options=
13:41:23 MainThread: Found 1 impalad/1 statestored/1 catalogd process(es)
13:41:23 MainThread: Starting Impala Daemon logging to
/data/jenkins/workspace/impala-cdh6.x-core-asan/repos/Impala/logs/custom_cluster_tests/impalad_node1.INFO
13:41:23 MainThread: Starting Impala Daemon logging to
/data/jenkins/workspace/impala-cdh6.x-core-asan/repos/Impala/logs/custom_cluster_tests/impalad_node2.INFO
13:41:26 MainThread: Found 3 impalad/1 statestored/1 catalogd process(es)
13:41:26 MainThread: Found 3 impalad/1 statestored/1 catalogd process(es)
13:41:26 MainThread: Getting num_known_live_backends from
impala-ec2-centos74-r4-4xlarge-ondemand-0593.vpc.cloudera.com:25000
13:41:26 MainThread: Waiting for num_known_live_backends=3. Current value: 1
13:41:27 MainThread: Found 3 impalad/1 statestored/1 catalogd process(es)
13:41:27 MainThread: Getting num_known_live_backends from
impala-ec2-centos74-r4-4xlarge-ondemand-0593.vpc.cloudera.com:25000
13:41:27 MainThread: num_known_live_backends has reached value: 3
13:41:28 MainThread: Found 3 impalad/1 statestored/1 catalogd process(es)
13:41:28 MainThread: Getting num_known_live_backends from
impala-ec2-centos74-r4-4xlarge-ondemand-0593.vpc.cloudera.com:25001
13:41:28 MainThread: num_known_live_backends has reached value: 3
13:41:28 MainThread: Found 3 impalad/1 statestored/1 catalogd process(es)
13:41:28 MainThread: Getting num_known_live_backends from
impala-ec2-centos74-r4-4xlarge-ondemand-0593.vpc.cloudera.com:25002
13:41:28 MainThread: num_known_live_backends has reached value: 3
13:41:28 MainThread: Impala Cluster Running with 2 nodes (0 coordinators, 2
executors).
-- 2019-09-26 13:41:28,501 DEBUG MainThread: Found 3 impalad/1 statestored/1
catalogd process(es)
-- 2019-09-26 13:41:28,501 INFO MainThread: Getting metric:
statestore.live-backends from
impala-ec2-centos74-r4-4xlarge-ondemand-0593.vpc.cloudera.com:25010
-- 2019-09-26 13:41:28,503 INFO MainThread: Starting new HTTP connection
(1): impala-ec2-centos74-r4-4xlarge-ondemand-0593.vpc.cloudera.com
-- 2019-09-26 13:41:28,504 INFO MainThread: Metric
'statestore.live-backends' has reached desired value: 4
-- 2019-09-26 13:41:28,504 DEBUG MainThread: Getting num_known_live_backends
from impala-ec2-centos74-r4-4xlarge-ondemand-0593.vpc.cloudera.com:25000
-- 2019-09-26 13:41:28,505 INFO MainThread: Starting new HTTP connection
(1): impala-ec2-centos74-r4-4xlarge-ondemand-0593.vpc.cloudera.com
-- 2019-09-26 13:41:28,507 INFO MainThread: num_known_live_backends has
reached value: 3
-- 2019-09-26 13:41:28,507 DEBUG MainThread: Getting num_known_live_backends
from impala-ec2-centos74-r4-4xlarge-ondemand-0593.vpc.cloudera.com:25001
-- 2019-09-26 13:41:28,508 INFO MainThread: Starting new HTTP connection
(1): impala-ec2-centos74-r4-4xlarge-ondemand-0593.vpc.cloudera.com
-- 2019-09-26 13:41:28,510 INFO MainThread: num_known_live_backends has
reached value: 3
-- 2019-09-26 13:41:28,510 DEBUG MainThread: Getting num_known_live_backends
from impala-ec2-centos74-r4-4xlarge-ondemand-0593.vpc.cloudera.com:25002
-- 2019-09-26 13:41:28,511 INFO MainThread: Starting new HTTP connection
(1): impala-ec2-centos74-r4-4xlarge-ondemand-0593.vpc.cloudera.com
-- 2019-09-26 13:41:28,512 INFO MainThread: num_known_live_backends has
reached value: 3
-- executing async: localhost:21000
select * from functional_parquet.alltypestiny where month < 3 and
id + random() < sleep(500);;
-- 2019-09-26 13:41:29,541 INFO MainThread: Started query
00406cb12a61dc27:2255454e00000000
-- waiting for completion of the admission control processing of the query:
<tests.common.impala_connection.OperationHandle object at 0x50ced50>
-- executing async: localhost:21000
select * from functional_parquet.alltypestiny where month < 3 and
id + random() < sleep(500);;
-- 2019-09-26 13:41:29,612 INFO MainThread: Started query
4a4773e2f93eff7f:754a96ed00000000
-- getting runtime profile operation:
<tests.common.impala_connection.OperationHandle object at 0x50cef50>
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