org.apache.hadoop.hbase.thrift.HThreadedSelectorServerArgs Maven / Gradle / Ivy
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* distributed with this work for additional information
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* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
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package org.apache.hadoop.hbase.thrift;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.hbase.classification.InterfaceAudience;
import org.apache.hadoop.conf.Configuration;
import org.apache.thrift.server.TThreadedSelectorServer;
import org.apache.thrift.transport.TNonblockingServerTransport;
/**
* A TThreadedSelectorServer.Args that reads hadoop configuration
*/
@InterfaceAudience.Private
public class HThreadedSelectorServerArgs extends TThreadedSelectorServer.Args {
private static final Log LOG = LogFactory.getLog(TThreadedSelectorServer.class);
/**
* Number of selector threads for reading and writing socket
*/
public static final String SELECTOR_THREADS_CONF_KEY =
"hbase.thrift.selector.threads";
/**
* Number fo threads for processing the thrift calls
*/
public static final String WORKER_THREADS_CONF_KEY =
"hbase.thrift.worker.threads";
/**
* Time to wait for server to stop gracefully
*/
public static final String STOP_TIMEOUT_CONF_KEY =
"hbase.thrift.stop.timeout.seconds";
/**
* Maximum number of accepted elements per selector
*/
public static final String ACCEPT_QUEUE_SIZE_PER_THREAD_CONF_KEY =
"hbase.thrift.accept.queue.size.per.selector";
/**
* The strategy for handling new accepted connections.
*/
public static final String ACCEPT_POLICY_CONF_KEY =
"hbase.thrift.accept.policy";
public HThreadedSelectorServerArgs(
TNonblockingServerTransport transport, Configuration conf) {
super(transport);
readConf(conf);
}
private void readConf(Configuration conf) {
int selectorThreads = conf.getInt(
SELECTOR_THREADS_CONF_KEY, getSelectorThreads());
int workerThreads = conf.getInt(
WORKER_THREADS_CONF_KEY, getWorkerThreads());
int stopTimeoutVal = conf.getInt(
STOP_TIMEOUT_CONF_KEY, getStopTimeoutVal());
int acceptQueueSizePerThread = conf.getInt(
ACCEPT_QUEUE_SIZE_PER_THREAD_CONF_KEY, getAcceptQueueSizePerThread());
AcceptPolicy acceptPolicy = AcceptPolicy.valueOf(conf.get(
ACCEPT_POLICY_CONF_KEY, getAcceptPolicy().toString()).toUpperCase());
super.selectorThreads(selectorThreads)
.workerThreads(workerThreads)
.stopTimeoutVal(stopTimeoutVal)
.acceptQueueSizePerThread(acceptQueueSizePerThread)
.acceptPolicy(acceptPolicy);
LOG.info("Read configuration selectorThreads:" + selectorThreads +
" workerThreads:" + workerThreads +
" stopTimeoutVal:" + stopTimeoutVal + "sec" +
" acceptQueueSizePerThread:" + acceptQueueSizePerThread +
" acceptPolicy:" + acceptPolicy);
}
}