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From "Jean-Daniel Cryans (JIRA)" <j...@apache.org>
Subject [jira] Created: (HBASE-2528) ServerManager.ServerMonitor isn't daemonized
Date Mon, 10 May 2010 23:59:29 GMT
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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