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https://issues.apache.org/jira/browse/ZOOKEEPER-4511?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mate Szalay-Beko resolved ZOOKEEPER-4511.
-----------------------------------------
Resolution: Fixed
thanks [~kezhuw] for fixing this issue!
> Flaky test: FileTxnSnapLogMetricsTest.testFileTxnSnapLogMetrics
> ---------------------------------------------------------------
>
> Key: ZOOKEEPER-4511
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-4511
> Project: ZooKeeper
> Issue Type: Bug
> Components: tests
> Reporter: Kezhu Wang
> Assignee: Kezhu Wang
> Priority: Major
> Labels: pull-request-available
> Time Spent: 2h
> Remaining Estimate: 0h
>
> * https://github.com/kezhuw/zookeeper/runs/5830250287?check_suite_focus=true
> * https://github.com/apache/zookeeper/runs/5759834147?check_suite_focus=true
> {code:none}
> org.opentest4j.AssertionFailedError: expected: <1> but was: <0>
> at
> org.apache.zookeeper.server.persistence.FileTxnSnapLogMetricsTest.testFileTxnSnapLogMetrics(FileTxnSnapLogMetricsTest.java:86)
> {code}
> This test tries to write some txns to trigger snapshot with remaning txns in
> txn log. But snapshot taking is asynchronous, thus all txns could be written
> to snapshot. So in restarting, it is possible that no txns to load after
> snapshot restored. This will fail assertion.
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