HBase
  1. HBase
  2. HBASE-8416

Region Server Spinning on JMX requests

    Details

    • Type: Bug Bug
    • Status: Resolved
    • Priority: Critical Critical
    • Resolution: Won't Fix
    • Affects Version/s: 0.94.4
    • Fix Version/s: None
    • Component/s: regionserver
    • Labels:
      None

      Description

      This morning one our region servers (we have 44) stopped responding to
      the '/jmx' request. (It's working for regular activity.) Additionally,
      the region server is now using all the CPU on the host, running all 8
      cores at 100%.

      A full jstack is at:
      http://pastebin.com/dGTmTEN7

      Right now, there are 37 threads stuck here:
      "38565532@qtp-228776471-196" prio=10 tid=0x00002aaacc4f2800 nid=0x7f57 runnable [0x0000000054a48000]
      java.lang.Thread.State: RUNNABLE
      at java.util.HashMap.get(HashMap.java:303)
      at org.apache.hadoop.metrics.util.MetricsDynamicMBeanBase.getAttribute(MetricsDynamicMBeanBase.java:137)
      at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.getAttribute(DefaultMBeanServerInterceptor.java:666)
      at com.sun.jmx.mbeanserver.JmxMBeanServer.getAttribute(JmxMBeanServer.java:638)
      at org.apache.hadoop.jmx.JMXJsonServlet.writeAttribute(JMXJsonServlet.java:315)
      at org.apache.hadoop.jmx.JMXJsonServlet.listBeans(JMXJsonServlet.java:293)
      at org.apache.hadoop.jmx.JMXJsonServlet.doGet(JMXJsonServlet.java:193)
      at javax.servlet.http.HttpServlet.service(HttpServlet.java:734)
      at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
      at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
      at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1221)
      at org.apache.hadoop.http.lib.StaticUserWebFilter$StaticUserFilter.doFilter(StaticUserWebFilter.java:109)
      at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
      at org.apache.hadoop.http.HttpServer$QuotingInputFilter.doFilter(HttpServer.java:1056)
      at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
      at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:399)
      at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
      at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
      at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766)
      at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:450)
      at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230)
      at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
      at org.mortbay.jetty.Server.handle(Server.java:326)
      at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
      at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:928)
      at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:549)
      at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)
      at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
      at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:410)
      at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)

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            • Assignee:
              Unassigned
              Reporter:
              Ron Buckley
            • Votes:
              0 Vote for this issue
              Watchers:
              9 Start watching this issue

              Dates

              • Created:
                Updated:
                Resolved:

                Development