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Posted to issues@ozone.apache.org by "Ethan Rose (Jira)" <ji...@apache.org> on 2021/08/09 16:39:00 UTC
[jira] [Resolved] (HDDS-5516) Duplicate metrics registered while
running checkScmHA upon scm startup
[ https://issues.apache.org/jira/browse/HDDS-5516?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ethan Rose resolved HDDS-5516.
------------------------------
Fix Version/s: 1.2.0
Resolution: Fixed
> Duplicate metrics registered while running checkScmHA upon scm startup
> ----------------------------------------------------------------------
>
> Key: HDDS-5516
> URL: https://issues.apache.org/jira/browse/HDDS-5516
> Project: Apache Ozone
> Issue Type: Sub-task
> Reporter: Mark Gui
> Assignee: Mark Gui
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.2.0
>
>
> Running non-rolling upgrade for scm, log reports:
> {code:java}
> // code placeholder
> 2021-07-30 07:17:00,932 [Listener at 0.0.0.0/9860] INFO org.apache.hadoop.ozone.upgrade.UpgradeFinalizer: Running pre-finalized state validations for unfinalized layout features.
> 2021-07-30 07:17:00,934 [Listener at 0.0.0.0/9860] INFO org.apache.hadoop.ozone.upgrade.UpgradeFinalizer: Executing pre finalize state validation ScmHAUnfinalizedStateValidationAction
> 2021-07-30 07:17:00,934 [Listener at 0.0.0.0/9860] INFO org.apache.hadoop.ozone.upgrade.AbstractLayoutVersionManager: Initializing Layout version manager with metadata layout = INITIAL_VERSION (version = 0), software layout = SCM_HA (version = 2)
> 2021-07-30 07:17:00,934 [Listener at 0.0.0.0/9860] WARN org.apache.hadoop.metrics2.util.MBeans: Error creating MBean object name: Hadoop:service=LayoutVersionManager,name=HDDSLayoutVersionManager
> org.apache.hadoop.metrics2.MetricsException: org.apache.hadoop.metrics2.MetricsException: Hadoop:service=LayoutVersionManager,name=HDDSLayoutVersionManager already exists!
> at org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.newObjectName(DefaultMetricsSystem.java:135)
> at org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.newMBeanName(DefaultMetricsSystem.java:110)
> at org.apache.hadoop.metrics2.util.MBeans.getMBeanName(MBeans.java:165)
> at org.apache.hadoop.metrics2.util.MBeans.register(MBeans.java:97)
> at org.apache.hadoop.metrics2.util.MBeans.register(MBeans.java:73)
> at org.apache.hadoop.ozone.upgrade.AbstractLayoutVersionManager.init(AbstractLayoutVersionManager.java:75)
> at org.apache.hadoop.hdds.upgrade.HDDSLayoutVersionManager.<init>(HDDSLayoutVersionManager.java:50)
> at org.apache.hadoop.hdds.scm.server.upgrade.ScmHAUnfinalizedStateValidationAction.checkScmHA(ScmHAUnfinalizedStateValidationAction.java:61)
> at org.apache.hadoop.hdds.scm.server.upgrade.ScmHAUnfinalizedStateValidationAction.execute(ScmHAUnfinalizedStateValidationAction.java:48)
> at org.apache.hadoop.hdds.scm.server.upgrade.ScmHAUnfinalizedStateValidationAction.execute(ScmHAUnfinalizedStateValidationAction.java:41)
> at org.apache.hadoop.ozone.upgrade.BasicUpgradeFinalizer.runValidationAction(BasicUpgradeFinalizer.java:264)
> at org.apache.hadoop.ozone.upgrade.BasicUpgradeFinalizer.runPrefinalizeStateActions(BasicUpgradeFinalizer.java:243)
> at org.apache.hadoop.hdds.scm.server.upgrade.SCMUpgradeFinalizer.runPrefinalizeStateActions(SCMUpgradeFinalizer.java:133)
> at org.apache.hadoop.hdds.scm.server.upgrade.SCMUpgradeFinalizer.runPrefinalizeStateActions(SCMUpgradeFinalizer.java:39)
> at org.apache.hadoop.hdds.scm.server.StorageContainerManager.start(StorageContainerManager.java:1242)
> at org.apache.hadoop.hdds.scm.server.StorageContainerManagerStarter$SCMStarterHelper.start(StorageContainerManagerStarter.java:169)
> at org.apache.hadoop.hdds.scm.server.StorageContainerManagerStarter.startScm(StorageContainerManagerStarter.java:142)
> at org.apache.hadoop.hdds.scm.server.StorageContainerManagerStarter.call(StorageContainerManagerStarter.java:71)
> at org.apache.hadoop.hdds.scm.server.StorageContainerManagerStarter.call(StorageContainerManagerStarter.java:47)
> at picocli.CommandLine.executeUserObject(CommandLine.java:1933)
> at picocli.CommandLine.access$1100(CommandLine.java:145)
> at picocli.CommandLine$RunLast.executeUserObjectOfLastSubcommandWithSameParent(CommandLine.java:2332)
> at picocli.CommandLine$RunLast.handle(CommandLine.java:2326)
> at picocli.CommandLine$RunLast.handle(CommandLine.java:2291)
> at picocli.CommandLine$AbstractParseResultHandler.handleParseResult(CommandLine.java:2152)
> at picocli.CommandLine.parseWithHandlers(CommandLine.java:2530)
> at picocli.CommandLine.parseWithHandler(CommandLine.java:2465)
> at org.apache.hadoop.hdds.cli.GenericCli.execute(GenericCli.java:96)
> at org.apache.hadoop.hdds.cli.GenericCli.run(GenericCli.java:87)
> at org.apache.hadoop.hdds.scm.server.StorageContainerManagerStarter.main(StorageContainerManagerStarter.java:60)
> Caused by: org.apache.hadoop.metrics2.MetricsException: Hadoop:service=LayoutVersionManager,name=HDDSLayoutVersionManager already exists!
> at org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.newObjectName(DefaultMetricsSystem.java:131)
> ... 29 more
> {code}
> Here we create a new HDDSLayoutVersionManager object upon each call of checkScmHA(), each will try to register metrics. But we already have a HDDSLayoutVersionManager created for a running scm, so we got duplicate registers.
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