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Posted to issues@ozone.apache.org by "Marton Elek (Jira)" <ji...@apache.org> on 2020/11/02 15:38:00 UTC
[jira] [Created] (HDDS-4418) TestContainerMetrics is flaky
Marton Elek created HDDS-4418:
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Summary: TestContainerMetrics is flaky
Key: HDDS-4418
URL: https://issues.apache.org/jira/browse/HDDS-4418
Project: Hadoop Distributed Data Store
Issue Type: Bug
Components: test
Reporter: Marton Elek
Assignee: Marton Elek
TestContainerMetrics is flaky since HDDS-4359. Failed in following master builds:
{code}
2020/10/26/3569/it-ozone/hadoop-ozone/integration-test/TEST-org.apache.hadoop.ozone.container.metrics.TestContainerMetrics.xml
2020/10/27/3581/it-ozone/hadoop-ozone/integration-test/TEST-org.apache.hadoop.ozone.container.metrics.TestContainerMetrics.xml
2020/10/28/3591/it-ozone/hadoop-ozone/integration-test/TEST-org.apache.hadoop.ozone.container.metrics.TestContainerMetrics.xml
2020/10/29/3619/it-ozone/hadoop-ozone/integration-test/TEST-org.apache.hadoop.ozone.container.metrics.TestContainerMetrics.xml
2020/10/30/3628/it-ozone/hadoop-ozone/integration-test/TEST-org.apache.hadoop.ozone.container.metrics.TestContainerMetrics.xml
2020/10/30/3642/it-ozone/hadoop-ozone/integration-test/TEST-org.apache.hadoop.ozone.container.metrics.TestContainerMetrics.xml
2020/10/31/3650/it-ozone/hadoop-ozone/integration-test/TEST-org.apache.hadoop.ozone.container.metrics.TestContainerMetrics.xml
2020/10/31/3654/it-ozone/hadoop-ozone/integration-test/TEST-org.apache.hadoop.ozone.container.metrics.TestContainerMetrics.xml
{code}
Some of the added assertions couldn't be guaranteed all the time:
{code}
// ReadTime and WriteTime vary from run to run, only checking non-zero
Assert.assertNotEquals(0L, getLongCounter("ReadTime", volumeIOMetrics));
Assert.assertNotEquals(0L, getLongCounter("WriteTime", volumeIOMetrics));
{code}
In very lucky case the read/write time can be zero.
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