Package com.sun.management

Examples of com.sun.management.UnixOperatingSystemMXBean

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         * only place sun has implemented as part of the mgmt bean api.
         */
        OperatingSystemMXBean osMbean =
            ManagementFactory.getOperatingSystemMXBean();
        if (osMbean != null && osMbean instanceof UnixOperatingSystemMXBean) {
            UnixOperatingSystemMXBean unixos =
                (UnixOperatingSystemMXBean)osMbean;
            long fdCount = unixos.getOpenFileDescriptorCount();
            String message = "fdcount after test is: "
                    + fdCount + " at start it was " + initialFdCount;
            LOG.info(message);
            if (fdCount > initialFdCount) {
                LOG.info("sleeping for 20 secs");
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         * only place sun has implemented as part of the mgmt bean api.
         */
        OperatingSystemMXBean osMbean =
            ManagementFactory.getOperatingSystemMXBean();
        if (osMbean != null && osMbean instanceof UnixOperatingSystemMXBean) {
            UnixOperatingSystemMXBean unixos =
                (UnixOperatingSystemMXBean)osMbean;
            LOG.info("Initial fdcount is: "
                    + unixos.getOpenFileDescriptorCount());
        }

        LOG.info("Client test setup finished");
    }
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         * only place sun has implemented as part of the mgmt bean api.
         */
        OperatingSystemMXBean osMbean =
            ManagementFactory.getOperatingSystemMXBean();
        if (osMbean != null && osMbean instanceof UnixOperatingSystemMXBean) {
            UnixOperatingSystemMXBean unixos =
                (UnixOperatingSystemMXBean)osMbean;
            LOG.info("fdcount after test is: "
                    + unixos.getOpenFileDescriptorCount());
        }

        tearDownAll();

        stopServer();
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        startServers(withObservers);

        OperatingSystemMXBean osMbean =
            ManagementFactory.getOperatingSystemMXBean();
        if (osMbean != null && osMbean instanceof UnixOperatingSystemMXBean) {
            UnixOperatingSystemMXBean unixos =
                (UnixOperatingSystemMXBean)osMbean;
            LOG.info("Initial fdcount is: "
                    + unixos.getOpenFileDescriptorCount());
        }

        LOG.info("Setup finished");
    }
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        LOG.info("TearDown started");
       
        OperatingSystemMXBean osMbean =
            ManagementFactory.getOperatingSystemMXBean();
        if (osMbean != null && osMbean instanceof UnixOperatingSystemMXBean) {
            UnixOperatingSystemMXBean unixos =
                (UnixOperatingSystemMXBean)osMbean;
            LOG.info("fdcount after test is: "
                    + unixos.getOpenFileDescriptorCount());
        }

        shutdownServers();

        for (String hp : hostPort.split(",")) {
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        startServers(withObservers);

        OperatingSystemMXBean osMbean =
            ManagementFactory.getOperatingSystemMXBean();
        if (osMbean != null && osMbean instanceof UnixOperatingSystemMXBean) {
            UnixOperatingSystemMXBean unixos =
                (UnixOperatingSystemMXBean)osMbean;
            LOG.info("Initial fdcount is: "
                    + unixos.getOpenFileDescriptorCount());
        }

        LOG.info("Setup finished");
    }
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        LOG.info("TearDown started");
       
        OperatingSystemMXBean osMbean =
            ManagementFactory.getOperatingSystemMXBean();
        if (osMbean != null && osMbean instanceof UnixOperatingSystemMXBean) {
            UnixOperatingSystemMXBean unixos =
                (UnixOperatingSystemMXBean)osMbean;
            LOG.info("fdcount after test is: "
                    + unixos.getOpenFileDescriptorCount());
        }

        shutdownServers();

        for (String hp : hostPort.split(",")) {
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  }

  public static String getOpenFileHandles() {
    OperatingSystemMXBean osMxBean = ManagementFactory.getOperatingSystemMXBean();
    if (osMxBean instanceof UnixOperatingSystemMXBean) {
      UnixOperatingSystemMXBean unixOsMxBean = (UnixOperatingSystemMXBean) osMxBean;
      return unixOsMxBean.getOpenFileDescriptorCount() + " / " + unixOsMxBean.getMaxFileDescriptorCount();
    }
    return "unknown";
  }
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  }

  public static void checkOpenFileHandles() {
    OperatingSystemMXBean osMxBean = ManagementFactory.getOperatingSystemMXBean();
    if (osMxBean instanceof UnixOperatingSystemMXBean) {
      UnixOperatingSystemMXBean unixOsMxBean = (UnixOperatingSystemMXBean) osMxBean;
      long used = unixOsMxBean.getOpenFileDescriptorCount();
      long available = unixOsMxBean.getMaxFileDescriptorCount();
      if (used != 0 && available != 0 && (used > (available * 17) / 20 || (available - used) < 3)) {
        Log.severe("Used >= 85% of available file handles: " + getOpenFileHandles());
      }
    }
  }
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