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https://issues.apache.org/jira/browse/HBASE-2528?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jean-Daniel Cryans resolved HBASE-2528.
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Resolution: Fixed
Small fix, committed to branch and trunk.
> ServerManager.ServerMonitor isn't daemonized
> --------------------------------------------
>
> Key: HBASE-2528
> URL: https://issues.apache.org/jira/browse/HBASE-2528
> Project: Hadoop HBase
> Issue Type: Improvement
> Reporter: Jean-Daniel Cryans
> Assignee: Jean-Daniel Cryans
> Fix For: 0.20.5, 0.21.0
>
>
> ServerManager.ServerMonitor isn't daemonized, I probably accumulated an hour
> of waiting on that thread while shutting down the master over the past 2
> years. Easy fix:
> {code}
> @@ -147,7 +148,9 @@
> this.minimumServerCount = c.getInt("hbase.regions.server.count.min", 0);
> this.serverMonitorThread = new ServerMonitor(master.metaRescanInterval,
> master.shutdownRequested);
> - this.serverMonitorThread.start();
> + String n = Thread.currentThread().getName();
> + Threads.setDaemonThreadRunning(this.serverMonitorThread,
> + n + ".serverMonitor");
> {code}
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