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fix(proxy): reduce SSL connection overhead by setting TCP_NODELAY #15

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fix(proxy): reduce SSL connection overhead by setting TCP_NODELAY #15

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2 changes: 2 additions & 0 deletions postgresql_proxy/proxy.py
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Original file line number Diff line number Diff line change
Expand Up @@ -71,6 +71,7 @@ def _create_pg_connection(self, address, context):
redirect_config = self.instance_config.redirect

pg_sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
pg_sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
pg_sock.connect((redirect_config.host, redirect_config.port))
pg_sock.setblocking(False)

Expand Down Expand Up @@ -130,6 +131,7 @@ def accept_wrapper(self, sock: socket.socket):

# Accept the raw connection
clientsocket, address = sock.accept()
clientsocket.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
# On macOS, accepted sockets inherit O_NONBLOCK from the listening socket.
# SSL negotiation uses blocking recv, so we must set blocking explicitly here.
clientsocket.setblocking(True)
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