Andrew Sherman created IMPALA-8194:
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Summary: TestPauseMonitor.test_jvm_pause_monitor_logs_entries
needs to wait longer to see output
Key: IMPALA-8194
URL: https://issues.apache.org/jira/browse/IMPALA-8194
Project: IMPALA
Issue Type: Bug
Reporter: Andrew Sherman
Assignee: Andrew Sherman
TestPauseMonitor.test_jvm_pause_monitor_logs_entries complains:
{quote}
FAIL
custom_cluster/test_pause_monitor.py::TestPauseMonitor::()::test_jvm_pause_monitor_logs_entries
=================================== FAILURES ===================================
_____________ TestPauseMonitor.test_jvm_pause_monitor_logs_entries _____________
custom_cluster/test_pause_monitor.py:38: in test_jvm_pause_monitor_logs_entries
self.assert_impalad_log_contains('INFO', "Detected pause in JVM or host
machine")
common/custom_cluster_test_suite.py:216: in assert_impalad_log_contains
self.assert_log_contains("impalad", level, line_regex, expected_count)
common/custom_cluster_test_suite.py:248: in assert_log_contains
(expected_count, log_file_path, line_regex, found, line)
E AssertionError: Expected 1 lines in file
/data0/jenkins/workspace/xxx/repos/Impala/logs/custom_cluster_tests/impalad.impala-xxx.jenkins.log.INFO.20190211-183351.2092
matching regex 'Detected pause in JVM or host machine', but found 0 lines.
Last line was:
E I0211 18:34:03.563254 2392 thrift-util.cc:113] TAcceptQueueServer client
died: write() send(): Broken pipe
{quote}
The actual log (archived later) contains:
{quote}
I0211 18:34:03.563254 2392 thrift-util.cc:113] TAcceptQueueServer client died:
write() send(): Broken pipe
I0211 18:34:03.565459 2164 JvmPauseMonitor.java:187] Detected pause in JVM or
host machine (eg GC): pause of approximately 4550ms
No GCs detected
{quote}
so if test_jvm_pause_monitor_logs_entries had waited for 3ms more it would have
seen the line it was looking for (assuming the simplest explanation).
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