message: Add flag to control thrift workers number
diff: @@ -39,6 +39,7 @@ DEFINE_string(store_type, "nebula",
  "Which type of KVStore to be used by the storage daemon."
  " Options can be \"nebula\", \"hbase\", etc.");
  DEFINE_int32(num_io_threads, 16, "Number of IO threads");
  +DEFINE_int32(num_worker_threads, 32, "Number of workers");
  using nebula::operator<<;
  using nebula::Status;
  @@ -219,6 +220,8 @@ int main(int argc, char *argv[]) {
  gServer->setReusePort(FLAGS_reuse_port);
  gServer->setIdleTimeout(std::chrono::seconds(0)); // No idle timeout on client connection
  gServer->setIOThreadPool(ioThreadPool);
  + gServer->setNumCPUWorkerThreads(FLAGS_num_worker_threads);
  + gServer->setCPUWorkerThreadName("executor");
  gServer->serve(); // Will wait until the server shuts down
  } catch (const std::exception& e) {
  nebula::WebService::stop();
  