@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;
}
 

@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) {
        LOGGER.error(VERSION_TOO_OLD_FOR_INDEX_RPC);
        throw e;
    }

    // get the index priority configs
    int indexPriority = getIndexPriority(conf);
    validatePriority(indexPriority);
    // get the metadata priority configs
    int metadataPriority = getMetadataPriority(conf);
    validatePriority(metadataPriority);

    // validate index and metadata priorities are not the same
    Preconditions.checkArgument(indexPriority != metadataPriority, "Index and Metadata priority must not be same "+ indexPriority);
    LOGGER.info("Using custom Phoenix Index RPC Handling with index rpc priority "
            + indexPriority + " and metadata rpc priority " + metadataPriority);

    PhoenixRpcScheduler scheduler =
            new PhoenixRpcScheduler(conf, delegate, indexPriority, metadataPriority, priorityFunction,abortable);
    return scheduler;
}