From b43d3267e25949acb4ad7333ac47afa6e38cb815 Mon Sep 17 00:00:00 2001 From: Erik Johnston Date: Wed, 5 Apr 2017 13:34:54 +0100 Subject: [PATCH] Fixup some metrics for tcp repl --- synapse/metrics/metric.py | 3 +++ synapse/replication/tcp/protocol.py | 16 ++++++++++++++++ 2 files changed, 19 insertions(+) diff --git a/synapse/metrics/metric.py b/synapse/metrics/metric.py index e87b2b80a..920cde1dd 100644 --- a/synapse/metrics/metric.py +++ b/synapse/metrics/metric.py @@ -83,6 +83,9 @@ class CounterMetric(BaseMetric): def render(self): return map_concat(self.render_item, sorted(self.counts.keys())) + def unregister_counter(self, *values): + self.counts.pop(values, None) + class CallbackMetric(BaseMetric): """A metric that returns the numeric value returned by a callback whenever diff --git a/synapse/replication/tcp/protocol.py b/synapse/replication/tcp/protocol.py index 686420461..4f44836c2 100644 --- a/synapse/replication/tcp/protocol.py +++ b/synapse/replication/tcp/protocol.py @@ -51,6 +51,7 @@ indicate which side is sending, these are *not* included on the wire:: from twisted.internet import defer from twisted.protocols.basic import LineOnlyReceiver +from twisted.python.failure import Failure from commands import ( COMMAND_MAP, VALID_CLIENT_COMMANDS, VALID_SERVER_COMMANDS, @@ -75,6 +76,9 @@ inbound_commands_counter = metrics.register_counter( outbound_commands_counter = metrics.register_counter( "outbound_commands", labels=["command", "name", "conn_id"], ) +connection_close_counter = metrics.register_counter( + "close_reason", labels=["reason_type"], +) # A list of all connected protocols. This allows us to send metrics about the @@ -307,6 +311,10 @@ class BaseReplicationStreamProtocol(LineOnlyReceiver): def connectionLost(self, reason): logger.info("[%s] Replication connection closed: %r", self.id(), reason) + if isinstance(reason, Failure): + connection_close_counter.inc(reason.type.__name__) + else: + connection_close_counter.inc(reason.__class__.__name__) try: # Remove us from list of connections to be monitored @@ -326,6 +334,14 @@ class BaseReplicationStreamProtocol(LineOnlyReceiver): self.state = ConnectionStates.CLOSED self.pending_commands = [] + for cmd in COMMAND_MAP: + outbound_commands_counter.unregister_counter( + cmd.NAME, self.name, self.conn_id + ) + inbound_commands_counter.unregister_counter( + cmd.NAME, self.name, self.conn_id + ) + if self.transport: self.transport.unregisterProducer()