diff options
Diffstat (limited to 'synapse/federation')
| -rw-r--r-- | synapse/federation/federation_server.py | 24 | ||||
| -rw-r--r-- | synapse/federation/sender/transaction_manager.py | 22 |
2 files changed, 45 insertions, 1 deletions
diff --git a/synapse/federation/federation_server.py b/synapse/federation/federation_server.py index 2dcd081cbc..24329dd0e3 100644 --- a/synapse/federation/federation_server.py +++ b/synapse/federation/federation_server.py @@ -28,7 +28,7 @@ from typing import ( Union, ) -from prometheus_client import Counter, Histogram +from prometheus_client import Counter, Gauge, Histogram from twisted.internet import defer from twisted.internet.abstract import isIPAddress @@ -88,6 +88,13 @@ pdu_process_time = Histogram( ) +last_pdu_age_metric = Gauge( + "synapse_federation_last_received_pdu_age", + "The age (in seconds) of the last PDU successfully received from the given domain", + labelnames=("server_name",), +) + + class FederationServer(FederationBase): def __init__(self, hs): super().__init__(hs) @@ -118,6 +125,10 @@ class FederationServer(FederationBase): hs, "state_ids_resp", timeout_ms=30000 ) + self._federation_metrics_domains = ( + hs.get_config().federation.federation_metrics_domains + ) + async def on_backfill_request( self, origin: str, room_id: str, versions: List[str], limit: int ) -> Tuple[int, Dict[str, Any]]: @@ -262,7 +273,11 @@ class FederationServer(FederationBase): pdus_by_room = {} # type: Dict[str, List[EventBase]] + newest_pdu_ts = 0 + for p in transaction.pdus: # type: ignore + # FIXME (richardv): I don't think this works: + # https://github.com/matrix-org/synapse/issues/8429 if "unsigned" in p: unsigned = p["unsigned"] if "age" in unsigned: @@ -300,6 +315,9 @@ class FederationServer(FederationBase): event = event_from_pdu_json(p, room_version) pdus_by_room.setdefault(room_id, []).append(event) + if event.origin_server_ts > newest_pdu_ts: + newest_pdu_ts = event.origin_server_ts + pdu_results = {} # we can process different rooms in parallel (which is useful if they @@ -340,6 +358,10 @@ class FederationServer(FederationBase): process_pdus_for_room, pdus_by_room.keys(), TRANSACTION_CONCURRENCY_LIMIT ) + if newest_pdu_ts and origin in self._federation_metrics_domains: + newest_pdu_age = self._clock.time_msec() - newest_pdu_ts + last_pdu_age_metric.labels(server_name=origin).set(newest_pdu_age / 1000) + return pdu_results async def _handle_edus_in_txn(self, origin: str, transaction: Transaction): diff --git a/synapse/federation/sender/transaction_manager.py b/synapse/federation/sender/transaction_manager.py index c84072ab73..3e07f925e0 100644 --- a/synapse/federation/sender/transaction_manager.py +++ b/synapse/federation/sender/transaction_manager.py @@ -15,6 +15,8 @@ import logging from typing import TYPE_CHECKING, List +from prometheus_client import Gauge + from synapse.api.errors import HttpResponseException from synapse.events import EventBase from synapse.federation.persistence import TransactionActions @@ -34,6 +36,12 @@ if TYPE_CHECKING: logger = logging.getLogger(__name__) +last_pdu_age_metric = Gauge( + "synapse_federation_last_sent_pdu_age", + "The age (in seconds) of the last PDU successfully sent to the given domain", + labelnames=("server_name",), +) + class TransactionManager: """Helper class which handles building and sending transactions @@ -48,6 +56,10 @@ class TransactionManager: self._transaction_actions = TransactionActions(self._store) self._transport_layer = hs.get_federation_transport_client() + self._federation_metrics_domains = ( + hs.get_config().federation.federation_metrics_domains + ) + # HACK to get unique tx id self._next_txn_id = int(self.clock.time_msec()) @@ -119,6 +131,9 @@ class TransactionManager: # FIXME (erikj): This is a bit of a hack to make the Pdu age # keys work + # FIXME (richardv): I also believe it no longer works. We (now?) store + # "age_ts" in "unsigned" rather than at the top level. See + # https://github.com/matrix-org/synapse/issues/8429. def json_data_cb(): data = transaction.get_dict() now = int(self.clock.time_msec()) @@ -167,5 +182,12 @@ class TransactionManager: ) success = False + if success and pdus and destination in self._federation_metrics_domains: + last_pdu = pdus[-1] + last_pdu_age = self.clock.time_msec() - last_pdu.origin_server_ts + last_pdu_age_metric.labels(server_name=destination).set( + last_pdu_age / 1000 + ) + set_tag(tags.ERROR, not success) return success |