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StreamDNS: opportunistically disable Nagle's algorithm

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This commit ensures that Stream DNS code attempts to disable Nagle's
algorithm regardless of underlying stream transport (TCP or TLS), as
we are not interested in trading latency for throughout when dealing
with DNS messages.
This commit is contained in:
Artem Boldariev 2022-10-27 21:14:35 +03:00
parent 05cfb27b80
commit e89575ddce
1 changed files with 2 additions and 0 deletions
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2
lib/isc/netmgr/streamdns.c
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@ -356,6 +356,7 @@ streamdns_transport_connected(isc_nmhandle_t *handle, isc_result_t result,
streamdns_save_alpn_status(sock, handle);
isc__nmhandle_set_manual_timer(sock->outerhandle, true);
streamhandle = isc__nmhandle_get(sock, &sock->peer, &sock->iface);
(void)isc_nmhandle_set_tcp_nodelay(sock->outerhandle, true);
streamdns_call_connect_cb(sock, streamhandle, result);
isc_nmhandle_detach(&streamhandle);
@ -720,6 +721,7 @@ streamdns_accept_cb(isc_nmhandle_t *handle, isc_result_t result, void *cbarg) {
isc_nm_gettimeouts(nsock->worker->netmgr, &initial, NULL, NULL, NULL);
/* settimeout restarts the timer */
isc_nmhandle_settimeout(nsock->outerhandle, initial);
(void)isc_nmhandle_set_tcp_nodelay(nsock->outerhandle, true);
streamdns_handle_incoming_data(nsock, nsock->outerhandle, NULL, 0);
exit: