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https://issues.apache.org/jira/browse/HDDS-4418?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Attila Doroszlai resolved HDDS-4418.
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Fix Version/s: 1.1.0
Resolution: Fixed
> 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
> Priority: Major
> Fix For: 1.1.0
>
>
> 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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