Examples of org.apache.hadoop.hbase.util.JVM

org.apache.hadoop.hbase.util.JVM
This class is a wrapper for the implementation of com.sun.management.UnixOperatingSystemMXBean It will decide to use the sun api or its own implementation depending on the runtime (vendor) used.


  static class ProcessCountResourceAnalyzer extends ResourceChecker.ResourceAnalyzer {
    @Override
    public int getVal(Phase phase) {
      if (!JVM.isUnix()) return 0;
      return new JVM().getNumberOfRunningProcess();
    }

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  static class AvailableMemoryMBResourceAnalyzer extends ResourceChecker.ResourceAnalyzer {
    @Override
    public int getVal(Phase phase) {
      if (!JVM.isUnix()) return 0;
      return (int) (new JVM().getFreeMemory() / (1024L * 1024L));
    }

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