Java Code Examples for org.apache.hadoop.hbase.HConstants#HIGH_QOS

The following examples show how to use org.apache.hadoop.hbase.HConstants#HIGH_QOS . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: PhoenixIndexRpcSchedulerFactory.java    From phoenix with Apache License 2.0 5 votes vote down vote up
@Override
public RpcScheduler create(Configuration conf, PriorityFunction priorityFunction, Abortable abortable) {
    // create the delegate scheduler
    RpcScheduler delegate;
    try {
        // happens in <=0.98.4 where the scheduler factory is not visible
        delegate = new SimpleRpcSchedulerFactory().create(conf, priorityFunction, abortable);
    } catch (IllegalAccessError e) {
        LOG.fatal(VERSION_TOO_OLD_FOR_INDEX_RPC);
        throw e;
    }

    int indexHandlerCount = conf.getInt(QueryServices.INDEX_HANDLER_COUNT_ATTRIB, QueryServicesOptions.DEFAULT_INDEX_HANDLER_COUNT);
    int minPriority = getMinPriority(conf);
    int maxPriority = conf.getInt(QueryServices.MAX_INDEX_PRIOIRTY_ATTRIB, QueryServicesOptions.DEFAULT_INDEX_MAX_PRIORITY);
    // make sure the ranges are outside the warning ranges
    Preconditions.checkArgument(maxPriority > minPriority, "Max index priority (" + maxPriority
            + ") must be larger than min priority (" + minPriority + ")");
    boolean allSmaller =
            minPriority < HConstants.REPLICATION_QOS
                    && maxPriority < HConstants.REPLICATION_QOS;
    boolean allLarger = minPriority > HConstants.HIGH_QOS;
    Preconditions.checkArgument(allSmaller || allLarger, "Index priority range (" + minPriority
            + ",  " + maxPriority + ") must be outside HBase priority range ("
            + HConstants.REPLICATION_QOS + ", " + HConstants.HIGH_QOS + ")");

    LOG.info("Using custom Phoenix Index RPC Handling with " + indexHandlerCount
            + " handlers and priority range [" + minPriority + ", " + maxPriority + ")");

    PhoenixIndexRpcScheduler scheduler =
            new PhoenixIndexRpcScheduler(indexHandlerCount, conf, delegate, minPriority,
                    maxPriority);
    return scheduler;
}
 
Example 2
Source File: InterRegionServerRpcController.java    From phoenix-omid with Apache License 2.0 4 votes vote down vote up
public InterRegionServerRpcController(HBaseRpcController delegate, Configuration conf) {
    super(delegate);
    // Set priority higher that normal, but lower than high
    this.priority = (HConstants.HIGH_QOS + HConstants.NORMAL_QOS) / 2;
}
 
Example 3
Source File: InterRegionServerRpcController.java    From phoenix-omid with Apache License 2.0 4 votes vote down vote up
public InterRegionServerRpcController(PayloadCarryingRpcController delegate, Configuration conf) {
    super(delegate);
    // Set priority higher that normal, but lower than high
    this.priority = (HConstants.HIGH_QOS + HConstants.NORMAL_QOS) / 2;
}
 
Example 4
Source File: MasterAnnotationReadingPriorityFunction.java    From hbase with Apache License 2.0 4 votes vote down vote up
@Override
public int getPriority(RPCProtos.RequestHeader header, Message param, User user) {
  // Yes this is copy pasted from the base class but it keeps from having to look in the
  // annotatedQos table twice something that could get costly since this is called for
  // every single RPC request.
  int priorityByAnnotation = getAnnotatedPriority(header);
  if (priorityByAnnotation >= 0) {
    // no one can have higher priority than meta transition.
    if (priorityByAnnotation >= META_TRANSITION_QOS) {
      return META_TRANSITION_QOS - 1;
    } else {
      return priorityByAnnotation;
    }
  }

  // If meta is moving then all the other of reports of state transitions will be
  // un able to edit meta. Those blocked reports should not keep the report that opens meta from
  // running. Hence all reports of meta transition should always be in a different thread.
  // This keeps from deadlocking the cluster.
  if (param instanceof RegionServerStatusProtos.ReportRegionStateTransitionRequest) {
    // Regions are moving. Lets see which ones.
    RegionServerStatusProtos.ReportRegionStateTransitionRequest tRequest =
      (RegionServerStatusProtos.ReportRegionStateTransitionRequest) param;
    for (RegionServerStatusProtos.RegionStateTransition rst : tRequest.getTransitionList()) {
      if (rst.getRegionInfoList() != null) {
        for (HBaseProtos.RegionInfo info : rst.getRegionInfoList()) {
          TableName tn = ProtobufUtil.toTableName(info.getTableName());
          if (TableName.META_TABLE_NAME.equals(tn)) {
            return META_TRANSITION_QOS;
          }
        }
      }
    }
    return HConstants.HIGH_QOS;
  }
  // also use HIGH_QOS for region server report
  if (param instanceof RegionServerStatusProtos.RegionServerReportRequest) {
    return HConstants.HIGH_QOS;
  }

  // Handle the rest of the different reasons to change priority.
  return getBasePriority(header, param);
}