mirror of
https://github.com/ClickHouse/ClickHouse.git
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Merge pull request #17463 from amosbird/threadmetrics
Add connection thread metrics
This commit is contained in:
alexey-milovidov
GitHub
commit
e0c2de9a8c
@ -76,6 +76,8 @@
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# define NO_SANITIZE_THREAD
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#endif
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/// A macro for suppressing warnings about unused variables or function results.
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/// Useful for structured bindings which have no standard way to declare this.
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#define UNUSED(...) (void)(__VA_ARGS__)
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/// A template function for suppressing warnings about unused variables or function results.
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template <typename... Args>
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constexpr void UNUSED(Args &&... args [[maybe_unused]])
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{
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}
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@ -785,17 +785,17 @@ int Server::main(const std::vector<std::string> & /*args*/)
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for (const auto & listen_host : listen_hosts)
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{
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/// TCP TestKeeper
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createServer(listen_host, "test_keeper_server.tcp_port", listen_try, [&](UInt16 port)
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const char * port_name = "test_keeper_server.tcp_port";
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createServer(listen_host, port_name, listen_try, [&](UInt16 port)
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{
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Poco::Net::ServerSocket socket;
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auto address = socketBindListen(socket, listen_host, port);
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socket.setReceiveTimeout(settings.receive_timeout);
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socket.setSendTimeout(settings.send_timeout);
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servers_to_start_before_tables.emplace_back(std::make_unique<Poco::Net::TCPServer>(
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new TestKeeperTCPHandlerFactory(*this),
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server_pool,
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socket,
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new Poco::Net::TCPServerParams));
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servers_to_start_before_tables.emplace_back(
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port_name,
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std::make_unique<Poco::Net::TCPServer>(
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new TestKeeperTCPHandlerFactory(*this), server_pool, socket, new Poco::Net::TCPServerParams));
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LOG_INFO(log, "Listening for connections to fake zookeeper (tcp): {}", address.toString());
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});
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@ -981,35 +981,37 @@ int Server::main(const std::vector<std::string> & /*args*/)
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std::vector<ProtocolServerAdapter> servers;
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{
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/// This object will periodically calculate some metrics.
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AsynchronousMetrics async_metrics(*global_context,
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config().getUInt("asynchronous_metrics_update_period_s", 60));
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AsynchronousMetrics async_metrics(
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*global_context, config().getUInt("asynchronous_metrics_update_period_s", 60), servers_to_start_before_tables, servers);
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attachSystemTablesAsync(*DatabaseCatalog::instance().getSystemDatabase(), async_metrics);
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for (const auto & listen_host : listen_hosts)
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{
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/// HTTP
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createServer(listen_host, "http_port", listen_try, [&](UInt16 port)
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const char * port_name = "http_port";
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createServer(listen_host, port_name, listen_try, [&](UInt16 port)
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{
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Poco::Net::ServerSocket socket;
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auto address = socketBindListen(socket, listen_host, port);
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socket.setReceiveTimeout(settings.http_receive_timeout);
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socket.setSendTimeout(settings.http_send_timeout);
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servers.emplace_back(std::make_unique<Poco::Net::HTTPServer>(
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servers.emplace_back(port_name, std::make_unique<Poco::Net::HTTPServer>(
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createHandlerFactory(*this, async_metrics, "HTTPHandler-factory"), server_pool, socket, http_params));
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LOG_INFO(log, "Listening for http://{}", address.toString());
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});
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/// HTTPS
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createServer(listen_host, "https_port", listen_try, [&](UInt16 port)
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port_name = "https_port";
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createServer(listen_host, port_name, listen_try, [&](UInt16 port)
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{
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#if USE_SSL
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Poco::Net::SecureServerSocket socket;
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auto address = socketBindListen(socket, listen_host, port, /* secure = */ true);
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socket.setReceiveTimeout(settings.http_receive_timeout);
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socket.setSendTimeout(settings.http_send_timeout);
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servers.emplace_back(std::make_unique<Poco::Net::HTTPServer>(
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servers.emplace_back(port_name, std::make_unique<Poco::Net::HTTPServer>(
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createHandlerFactory(*this, async_metrics, "HTTPSHandler-factory"), server_pool, socket, http_params));
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LOG_INFO(log, "Listening for https://{}", address.toString());
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@ -1021,13 +1023,14 @@ int Server::main(const std::vector<std::string> & /*args*/)
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});
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/// TCP
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createServer(listen_host, "tcp_port", listen_try, [&](UInt16 port)
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port_name = "tcp_port";
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createServer(listen_host, port_name, listen_try, [&](UInt16 port)
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{
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Poco::Net::ServerSocket socket;
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auto address = socketBindListen(socket, listen_host, port);
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socket.setReceiveTimeout(settings.receive_timeout);
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socket.setSendTimeout(settings.send_timeout);
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servers.emplace_back(std::make_unique<Poco::Net::TCPServer>(
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servers.emplace_back(port_name, std::make_unique<Poco::Net::TCPServer>(
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new TCPHandlerFactory(*this, /* secure */ false, /* proxy protocol */ false),
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server_pool,
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socket,
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@ -1037,13 +1040,14 @@ int Server::main(const std::vector<std::string> & /*args*/)
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});
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/// TCP with PROXY protocol, see https://github.com/wolfeidau/proxyv2/blob/master/docs/proxy-protocol.txt
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createServer(listen_host, "tcp_with_proxy_port", listen_try, [&](UInt16 port)
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port_name = "tcp_with_proxy_port";
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createServer(listen_host, port_name, listen_try, [&](UInt16 port)
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{
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Poco::Net::ServerSocket socket;
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auto address = socketBindListen(socket, listen_host, port);
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socket.setReceiveTimeout(settings.receive_timeout);
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socket.setSendTimeout(settings.send_timeout);
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servers.emplace_back(std::make_unique<Poco::Net::TCPServer>(
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servers.emplace_back(port_name, std::make_unique<Poco::Net::TCPServer>(
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new TCPHandlerFactory(*this, /* secure */ false, /* proxy protocol */ true),
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server_pool,
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socket,
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@ -1053,14 +1057,15 @@ int Server::main(const std::vector<std::string> & /*args*/)
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});
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/// TCP with SSL
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createServer(listen_host, "tcp_port_secure", listen_try, [&](UInt16 port)
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port_name = "tcp_port_secure";
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createServer(listen_host, port_name, listen_try, [&](UInt16 port)
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{
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#if USE_SSL
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Poco::Net::SecureServerSocket socket;
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auto address = socketBindListen(socket, listen_host, port, /* secure = */ true);
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socket.setReceiveTimeout(settings.receive_timeout);
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socket.setSendTimeout(settings.send_timeout);
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servers.emplace_back(std::make_unique<Poco::Net::TCPServer>(
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servers.emplace_back(port_name, std::make_unique<Poco::Net::TCPServer>(
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new TCPHandlerFactory(*this, /* secure */ true, /* proxy protocol */ false),
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server_pool,
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socket,
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@ -1074,26 +1079,28 @@ int Server::main(const std::vector<std::string> & /*args*/)
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});
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/// Interserver IO HTTP
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createServer(listen_host, "interserver_http_port", listen_try, [&](UInt16 port)
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port_name = "interserver_http_port";
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createServer(listen_host, port_name, listen_try, [&](UInt16 port)
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{
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Poco::Net::ServerSocket socket;
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auto address = socketBindListen(socket, listen_host, port);
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socket.setReceiveTimeout(settings.http_receive_timeout);
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socket.setSendTimeout(settings.http_send_timeout);
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servers.emplace_back(std::make_unique<Poco::Net::HTTPServer>(
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servers.emplace_back(port_name, std::make_unique<Poco::Net::HTTPServer>(
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createHandlerFactory(*this, async_metrics, "InterserverIOHTTPHandler-factory"), server_pool, socket, http_params));
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LOG_INFO(log, "Listening for replica communication (interserver): http://{}", address.toString());
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});
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createServer(listen_host, "interserver_https_port", listen_try, [&](UInt16 port)
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port_name = "interserver_https_port";
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createServer(listen_host, port_name, listen_try, [&](UInt16 port)
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{
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#if USE_SSL
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Poco::Net::SecureServerSocket socket;
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auto address = socketBindListen(socket, listen_host, port, /* secure = */ true);
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socket.setReceiveTimeout(settings.http_receive_timeout);
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socket.setSendTimeout(settings.http_send_timeout);
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servers.emplace_back(std::make_unique<Poco::Net::HTTPServer>(
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servers.emplace_back(port_name, std::make_unique<Poco::Net::HTTPServer>(
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createHandlerFactory(*this, async_metrics, "InterserverIOHTTPSHandler-factory"), server_pool, socket, http_params));
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LOG_INFO(log, "Listening for secure replica communication (interserver): https://{}", address.toString());
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@ -1104,13 +1111,14 @@ int Server::main(const std::vector<std::string> & /*args*/)
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#endif
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});
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createServer(listen_host, "mysql_port", listen_try, [&](UInt16 port)
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port_name = "mysql_port";
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createServer(listen_host, port_name, listen_try, [&](UInt16 port)
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{
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Poco::Net::ServerSocket socket;
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auto address = socketBindListen(socket, listen_host, port, /* secure = */ true);
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socket.setReceiveTimeout(Poco::Timespan());
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socket.setSendTimeout(settings.send_timeout);
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servers.emplace_back(std::make_unique<Poco::Net::TCPServer>(
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servers.emplace_back(port_name, std::make_unique<Poco::Net::TCPServer>(
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new MySQLHandlerFactory(*this),
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server_pool,
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socket,
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@ -1119,13 +1127,14 @@ int Server::main(const std::vector<std::string> & /*args*/)
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LOG_INFO(log, "Listening for MySQL compatibility protocol: {}", address.toString());
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});
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createServer(listen_host, "postgresql_port", listen_try, [&](UInt16 port)
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port_name = "postgresql_port";
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createServer(listen_host, port_name, listen_try, [&](UInt16 port)
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{
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Poco::Net::ServerSocket socket;
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auto address = socketBindListen(socket, listen_host, port, /* secure = */ true);
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socket.setReceiveTimeout(Poco::Timespan());
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socket.setSendTimeout(settings.send_timeout);
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servers.emplace_back(std::make_unique<Poco::Net::TCPServer>(
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servers.emplace_back(port_name, std::make_unique<Poco::Net::TCPServer>(
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new PostgreSQLHandlerFactory(*this),
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server_pool,
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socket,
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@ -1135,22 +1144,24 @@ int Server::main(const std::vector<std::string> & /*args*/)
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});
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#if USE_GRPC
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createServer(listen_host, "grpc_port", listen_try, [&](UInt16 port)
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port_name = "grpc_port";
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createServer(listen_host, port_name, listen_try, [&](UInt16 port)
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{
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Poco::Net::SocketAddress server_address(listen_host, port);
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servers.emplace_back(std::make_unique<GRPCServer>(*this, makeSocketAddress(listen_host, port, log)));
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servers.emplace_back(port_name, std::make_unique<GRPCServer>(*this, makeSocketAddress(listen_host, port, log)));
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LOG_INFO(log, "Listening for gRPC protocol: " + server_address.toString());
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});
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#endif
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/// Prometheus (if defined and not setup yet with http_port)
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createServer(listen_host, "prometheus.port", listen_try, [&](UInt16 port)
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port_name = "prometheus.port";
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createServer(listen_host, port_name, listen_try, [&](UInt16 port)
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{
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Poco::Net::ServerSocket socket;
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auto address = socketBindListen(socket, listen_host, port);
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socket.setReceiveTimeout(settings.http_receive_timeout);
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socket.setSendTimeout(settings.http_send_timeout);
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servers.emplace_back(std::make_unique<Poco::Net::HTTPServer>(
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servers.emplace_back(port_name, std::make_unique<Poco::Net::HTTPServer>(
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createHandlerFactory(*this, async_metrics, "PrometheusHandler-factory"), server_pool, socket, http_params));
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LOG_INFO(log, "Listening for Prometheus: http://{}", address.toString());
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@ -1161,6 +1172,8 @@ int Server::main(const std::vector<std::string> & /*args*/)
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throw Exception("No servers started (add valid listen_host and 'tcp_port' or 'http_port' to configuration file.)",
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ErrorCodes::NO_ELEMENTS_IN_CONFIG);
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/// Must be done after initialization of `servers`, because async_metrics will access `servers` variable from its thread.
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async_metrics.start();
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global_context->enableNamedSessions();
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for (auto & server : servers)
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@ -7,6 +7,7 @@
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#include <Common/setThreadName.h>
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#include <Common/CurrentMetrics.h>
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#include <Common/typeid_cast.h>
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#include <Server/ProtocolServerAdapter.h>
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#include <Storages/MarkCache.h>
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#include <Storages/StorageMergeTree.h>
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#include <Storages/StorageReplicatedMergeTree.h>
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@ -43,7 +44,8 @@ AsynchronousMetrics::~AsynchronousMetrics()
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}
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wait_cond.notify_one();
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thread.join();
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if (thread)
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thread->join();
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}
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catch (...)
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{
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@ -169,7 +171,7 @@ void AsynchronousMetrics::update()
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AsynchronousMetricValues new_values;
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{
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if (auto mark_cache = context.getMarkCache())
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if (auto mark_cache = global_context.getMarkCache())
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{
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new_values["MarkCacheBytes"] = mark_cache->weight();
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new_values["MarkCacheFiles"] = mark_cache->count();
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@ -177,7 +179,7 @@ void AsynchronousMetrics::update()
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}
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{
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if (auto uncompressed_cache = context.getUncompressedCache())
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if (auto uncompressed_cache = global_context.getUncompressedCache())
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{
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new_values["UncompressedCacheBytes"] = uncompressed_cache->weight();
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new_values["UncompressedCacheCells"] = uncompressed_cache->count();
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@ -186,12 +188,12 @@ void AsynchronousMetrics::update()
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#if USE_EMBEDDED_COMPILER
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{
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if (auto compiled_expression_cache = context.getCompiledExpressionCache())
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if (auto compiled_expression_cache = global_context.getCompiledExpressionCache())
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new_values["CompiledExpressionCacheCount"] = compiled_expression_cache->count();
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}
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#endif
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new_values["Uptime"] = context.getUptimeSeconds();
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new_values["Uptime"] = global_context.getUptimeSeconds();
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/// Process memory usage according to OS
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#if defined(OS_LINUX)
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@ -250,7 +252,7 @@ void AsynchronousMetrics::update()
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/// Check if database can contain MergeTree tables
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if (!db.second->canContainMergeTreeTables())
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continue;
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for (auto iterator = db.second->getTablesIterator(context); iterator->isValid(); iterator->next())
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for (auto iterator = db.second->getTablesIterator(global_context); iterator->isValid(); iterator->next())
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{
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++total_number_of_tables;
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const auto & table = iterator->table();
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@ -312,6 +314,39 @@ void AsynchronousMetrics::update()
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new_values["NumberOfDatabases"] = number_of_databases;
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new_values["NumberOfTables"] = total_number_of_tables;
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auto get_metric_name = [](const String & name) -> const char *
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{
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static std::map<String, const char *> metric_map = {
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{"tcp_port", "TCPThreads"},
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{"tcp_port_secure", "TCPSecureThreads"},
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{"http_port", "HTTPThreads"},
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{"https_port", "HTTPSecureThreads"},
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{"interserver_http_port", "InterserverThreads"},
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{"interserver_https_port", "InterserverSecureThreads"},
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{"mysql_port", "MySQLThreads"},
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{"postgresql_port", "PostgreSQLThreads"},
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{"grpc_port", "GRPCThreads"},
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{"prometheus.port", "PrometheusThreads"}
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};
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auto it = metric_map.find(name);
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if (it == metric_map.end())
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return nullptr;
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else
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return it->second;
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};
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for (const auto & server : servers_to_start_before_tables)
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{
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if (const auto * name = get_metric_name(server.getPortName()))
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new_values[name] = server.currentThreads();
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}
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for (const auto & server : servers)
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{
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if (const auto * name = get_metric_name(server.getPortName()))
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new_values[name] = server.currentThreads();
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}
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}
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#if USE_JEMALLOC && JEMALLOC_VERSION_MAJOR >= 4
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@ -386,7 +421,7 @@ void AsynchronousMetrics::update()
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/// Add more metrics as you wish.
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// Log the new metrics.
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if (auto log = context.getAsynchronousMetricLog())
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if (auto log = global_context.getAsynchronousMetricLog())
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{
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log->addValues(new_values);
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}
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||||
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@ -13,9 +13,10 @@ namespace DB
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{
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class Context;
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class ProtocolServerAdapter;
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typedef double AsynchronousMetricValue;
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typedef std::unordered_map<std::string, AsynchronousMetricValue> AsynchronousMetricValues;
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using AsynchronousMetricValue = double;
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using AsynchronousMetricValues = std::unordered_map<std::string, AsynchronousMetricValue>;
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||||
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/** Periodically (by default, each minute, starting at 30 seconds offset)
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@ -28,22 +29,34 @@ public:
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// The default value of update_period_seconds is for ClickHouse-over-YT
|
||||
// in Arcadia -- it uses its own server implementation that also uses these
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// metrics.
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AsynchronousMetrics(Context & context_, int update_period_seconds = 60)
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: context(context_),
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update_period(update_period_seconds),
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thread([this] { run(); })
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AsynchronousMetrics(
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Context & global_context_,
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int update_period_seconds,
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const std::vector<ProtocolServerAdapter> & servers_to_start_before_tables_,
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||||
const std::vector<ProtocolServerAdapter> & servers_)
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: global_context(global_context_)
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||||
, update_period(update_period_seconds)
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||||
, servers_to_start_before_tables(servers_to_start_before_tables_)
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, servers(servers_)
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{
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||||
}
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||||
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||||
~AsynchronousMetrics();
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||||
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||||
/// Separate method allows to initialize the `servers` variable beforehand.
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||||
void start()
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||||
{
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||||
thread = std::make_unique<ThreadFromGlobalPool>([this] { run(); });
|
||||
}
|
||||
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||||
/// Returns copy of all values.
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||||
AsynchronousMetricValues getValues() const;
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||||
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||||
private:
|
||||
Context & context;
|
||||
Context & global_context;
|
||||
const std::chrono::seconds update_period;
|
||||
const std::vector<ProtocolServerAdapter> & servers_to_start_before_tables;
|
||||
const std::vector<ProtocolServerAdapter> & servers;
|
||||
|
||||
mutable std::mutex mutex;
|
||||
std::condition_variable wait_cond;
|
||||
@ -54,7 +67,7 @@ private:
|
||||
MemoryStatisticsOS memory_stat;
|
||||
#endif
|
||||
|
||||
ThreadFromGlobalPool thread;
|
||||
std::unique_ptr<ThreadFromGlobalPool> thread;
|
||||
|
||||
void run();
|
||||
void update();
|
||||
|
||||
@ -35,6 +35,9 @@ public:
|
||||
/// Returns the number of currently handled connections.
|
||||
size_t currentConnections() const;
|
||||
|
||||
/// Returns the number of current threads.
|
||||
size_t currentThreads() const { return currentConnections(); }
|
||||
|
||||
private:
|
||||
using GRPCService = clickhouse::grpc::ClickHouse::AsyncService;
|
||||
class Runner;
|
||||
|
||||
@ -17,14 +17,15 @@ public:
|
||||
void start() override { tcp_server->start(); }
|
||||
void stop() override { tcp_server->stop(); }
|
||||
size_t currentConnections() const override { return tcp_server->currentConnections(); }
|
||||
size_t currentThreads() const override { return tcp_server->currentThreads(); }
|
||||
|
||||
private:
|
||||
std::unique_ptr<Poco::Net::TCPServer> tcp_server;
|
||||
};
|
||||
|
||||
ProtocolServerAdapter::ProtocolServerAdapter(std::unique_ptr<Poco::Net::TCPServer> tcp_server_)
|
||||
ProtocolServerAdapter::ProtocolServerAdapter(const char * port_name_, std::unique_ptr<Poco::Net::TCPServer> tcp_server_)
|
||||
: port_name(port_name_), impl(std::make_unique<TCPServerAdapterImpl>(std::move(tcp_server_)))
|
||||
{
|
||||
impl = std::make_unique<TCPServerAdapterImpl>(std::move(tcp_server_));
|
||||
}
|
||||
|
||||
#if USE_GRPC
|
||||
@ -37,14 +38,15 @@ public:
|
||||
void start() override { grpc_server->start(); }
|
||||
void stop() override { grpc_server->stop(); }
|
||||
size_t currentConnections() const override { return grpc_server->currentConnections(); }
|
||||
size_t currentThreads() const override { return grpc_server->currentThreads(); }
|
||||
|
||||
private:
|
||||
std::unique_ptr<GRPCServer> grpc_server;
|
||||
};
|
||||
|
||||
ProtocolServerAdapter::ProtocolServerAdapter(std::unique_ptr<GRPCServer> grpc_server_)
|
||||
ProtocolServerAdapter::ProtocolServerAdapter(const char * port_name_, std::unique_ptr<GRPCServer> grpc_server_)
|
||||
: port_name(port_name_), impl(std::make_unique<GRPCServerAdapterImpl>(std::move(grpc_server_)))
|
||||
{
|
||||
impl = std::make_unique<GRPCServerAdapterImpl>(std::move(grpc_server_));
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
@ -5,6 +5,7 @@
|
||||
#endif
|
||||
|
||||
#include <memory>
|
||||
#include <string>
|
||||
|
||||
namespace Poco::Net { class TCPServer; }
|
||||
|
||||
@ -16,16 +17,14 @@ class GRPCServer;
|
||||
/// no matter what type it has (HTTPServer, TCPServer, MySQLServer, GRPCServer, ...).
|
||||
class ProtocolServerAdapter
|
||||
{
|
||||
friend class ProtocolServers;
|
||||
public:
|
||||
ProtocolServerAdapter() {}
|
||||
ProtocolServerAdapter(ProtocolServerAdapter && src) = default;
|
||||
ProtocolServerAdapter & operator =(ProtocolServerAdapter && src) = default;
|
||||
~ProtocolServerAdapter() {}
|
||||
|
||||
ProtocolServerAdapter(std::unique_ptr<Poco::Net::TCPServer> tcp_server_);
|
||||
ProtocolServerAdapter(const char * port_name_, std::unique_ptr<Poco::Net::TCPServer> tcp_server_);
|
||||
|
||||
#if USE_GRPC
|
||||
ProtocolServerAdapter(std::unique_ptr<GRPCServer> grpc_server_);
|
||||
ProtocolServerAdapter(const char * port_name_, std::unique_ptr<GRPCServer> grpc_server_);
|
||||
#endif
|
||||
|
||||
/// Starts the server. A new thread will be created that waits for and accepts incoming connections.
|
||||
@ -37,6 +36,11 @@ public:
|
||||
/// Returns the number of currently handled connections.
|
||||
size_t currentConnections() const { return impl->currentConnections(); }
|
||||
|
||||
/// Returns the number of current threads.
|
||||
size_t currentThreads() const { return impl->currentThreads(); }
|
||||
|
||||
const std::string & getPortName() const { return port_name; }
|
||||
|
||||
private:
|
||||
class Impl
|
||||
{
|
||||
@ -45,10 +49,12 @@ private:
|
||||
virtual void start() = 0;
|
||||
virtual void stop() = 0;
|
||||
virtual size_t currentConnections() const = 0;
|
||||
virtual size_t currentThreads() const = 0;
|
||||
};
|
||||
class TCPServerAdapterImpl;
|
||||
class GRPCServerAdapterImpl;
|
||||
|
||||
std::string port_name;
|
||||
std::unique_ptr<Impl> impl;
|
||||
};
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user