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Original file line number Diff line number Diff line change
Expand Up @@ -181,6 +181,8 @@ private void assertNoException(Throwable exception) {
private IoAcceptor createAcceptor(IoHandler handler) throws Exception {
NioSocketAcceptor acceptor = new NioSocketAcceptor();
acceptor.setReuseAddress(true);
// Disable Nagle's algorithm: combined with delayed ACKs, it adds ~40 ms per round trip on Linux.
acceptor.getSessionConfig().setTcpNoDelay(true);
acceptor.setHandler(handler);

DefaultIoFilterChainBuilder filters = acceptor.getFilterChain();
Expand All @@ -199,6 +201,8 @@ private IoAcceptor createAcceptor(IoHandler handler) throws Exception {

private IoConnector createConnector(IoHandler ioHandler) throws GeneralSecurityException, IOException {
NioSocketConnector connector = new NioSocketConnector();
// See createAcceptor().
connector.getSessionConfig().setTcpNoDelay(true);
connector.setHandler(ioHandler);

DefaultIoFilterChainBuilder filters = connector.getFilterChain();
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