/**
* Helper method to create a {@link org.apache.thrift.server.TThreadPoolServer} for handling
* incoming RPC requests.
*
* @return a thrift server
*/
private TThreadPoolServer createThriftServer() {
int minWorkerThreads = mTachyonConf.getInt(Constants.WORKER_WORKER_BLOCK_THREADS_MIN);
int maxWorkerThreads = mTachyonConf.getInt(Constants.WORKER_WORKER_BLOCK_THREADS_MAX);
TMultiplexedProcessor processor = new TMultiplexedProcessor();
registerServices(processor, mBlockWorker.getServices());
registerServices(processor, mFileSystemWorker.getServices());
// register additional workers for RPC service
for (Worker worker : mAdditionalWorkers) {
registerServices(processor, worker.getServices());
}
// Return a TTransportFactory based on the authentication type
TTransportFactory tTransportFactory;
try {
tTransportFactory = AuthenticationUtils.getServerTransportFactory(mTachyonConf);
} catch (IOException e) {
throw Throwables.propagate(e);
}
TThreadPoolServer.Args args =
new TThreadPoolServer.Args(mThriftServerSocket)
.minWorkerThreads(minWorkerThreads)
.maxWorkerThreads(maxWorkerThreads)
.processor(processor)
.transportFactory(tTransportFactory)
.protocolFactory(new TBinaryProtocol.Factory(true, true));
if (WorkerContext.getConf().getBoolean(Constants.IN_TEST_MODE)) {
args.stopTimeoutVal = 0;
} else {
args.stopTimeoutVal = Constants.THRIFT_STOP_TIMEOUT_SECONDS;
}
return new TThreadPoolServer(args);
}
private void stopWorkers() throws Exception {
// stop additional workers
for (Worker master : mAdditionalWorkers) {
master.stop();
}
mFileSystemWorker.stop();
mBlockWorker.stop();
}
private void startWorkers() throws Exception {
mBlockWorker.start();
mFileSystemWorker.start();
// start additional workers
for (Worker master : mAdditionalWorkers) {
master.start();
}
}