a lot of CLOSE_WAIT in fbthrift server，How to fix it

[cankhn]

version 2022.10.10.00
server code

namespace apache {
namespace thrift {
template <typename T> class MyEvbAsyncProcessorFactory : public AsyncProcessorFactory {
  public:
    explicit MyEvbAsyncProcessorFactory(std::shared_ptr<T> t) { svIf_ = t; }

    std::unique_ptr<apache::thrift::AsyncProcessor> getProcessor() override
    {
        return std::unique_ptr<apache::thrift::AsyncProcessor>(new typename T::ProcessorType(svIf_.get()));
    }

    std::vector<ServiceHandlerBase*> getServiceHandlers() override { return {svIf_.get()}; }

    CreateMethodMetadataResult createMethodMetadata() override
    {
        WildcardMethodMetadataMap wildcardMap;
        wildcardMap.wildcardMetadata =
            std::make_shared<WildcardMethodMetadata>(AsyncProcessorFactory::MethodMetadata::ExecutorType::EVB);
        wildcardMap.knownMethods = {};

        return wildcardMap;
    }

  private:
    std::shared_ptr<T> svIf_;
};
}  // namespace thrift
}  // namespace apache

auto handler = std::make_shared<Handler>();
auto procFactory = std::make_shared<apache::thrift::MyEvbAsyncProcessorFactory<Handler>>(handler);
int ret = handler->init(*initParam_);
if (ret != 0) {
    std::cout << "handler init failed" << endl;
    return nullptr;
}
auto server = std::make_unique<ThriftServer>();
server->setPort(initParam_->common.port);
server->setProcessorFactory(procFactory);
server->setMaxConnections(param.common.maxConn);
server->setNumIOWorkerThreads(param.common.maxConn);
server->setNumCPUWorkerThreads(param.common.workerCount);
server->setIdleTimeout(std::chrono::milliseconds(0));
server->setConnectionAgeTimeout(std::chrono::milliseconds(0));
server->setStreamExpireTime(std::chrono::milliseconds(0));

[root@]# netstat -ae|grep "CLOSE_WAIT" | wc -l
897