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https://issues.apache.org/jira/browse/HDDS-17077?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated HDDS-17077:
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Labels: pull-request-available (was: )
> Intermittent failure in
> TestKeyDeletingService$Normal#checkIfDeleteServiceIsDeletingKeys
> ----------------------------------------------------------------------------------------
>
> Key: HDDS-17077
> URL: https://issues.apache.org/jira/browse/HDDS-17077
> Project: Apache Ozone
> Issue Type: Sub-task
> Components: Ozone Manager, test
> Reporter: Siyao Meng
> Assignee: Siyao Meng
> Priority: Major
> Labels: pull-request-available
>
> {code}
> Tests run: 12, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 33.23 s <<<
> FAILURE! -- in
> org.apache.hadoop.ozone.om.service.TestKeyDeletingService$Normal
> org.apache.hadoop.ozone.om.service.TestKeyDeletingService$Normal.checkIfDeleteServiceIsDeletingKeys
> -- Time elapsed: 0.616 s <<< FAILURE!
> java.lang.AssertionError:
> Expecting empty but was:
> {"/checkIfDeleteServiceIsDeletingKeys/bucket0000000772/key0000000773/-9223372036854628608/0"=PurgedKey{...}}
> at
> org.apache.hadoop.ozone.om.service.TestKeyDeletingService$Normal.checkIfDeleteServiceIsDeletingKeys(TestKeyDeletingService.java:258)
> {code}
> h3. Root cause
> {{KeyDeletingService}} increments {{deletedKeyCount}} as soon as the purge
> request is applied, but the deletedTable entries are removed from RocksDB
> only when the OM double buffer flushes. The test waits for
> {{deletedKeyCount}} to reach 100 and then iterates the deletedTable through
> {{getPendingDeletionKeys}}, which reads the DB. In the failing run the last
> service run purged a single key ({{key0000000773}}) and the test read the
> table before that purge was flushed.
> {{checkDeletedTableCleanUpForSnapshot}} has the same check after the same
> kind of wait.
> h3. Fix
> Call {{om.awaitDoubleBufferFlush()}} before reading the deletedTable in both
> tests.
> - https://github.com/apache/ozone/actions/runs/38935632776/job/117106007880
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