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authorErik Johnston <erikj@element.io>2024-07-30 10:54:11 +0100
committerGitHub <noreply@github.com>2024-07-30 10:54:11 +0100
commit62ae56a4ac955a789d965cfb3bb642985c798666 (patch)
treecef29a9597fb5c9b4f68679b5ed2bc3f98feaf3d /synapse
parentFix `failures` property in `/keys/query` (#17499) (diff)
downloadsynapse-62ae56a4ac955a789d965cfb3bb642985c798666.tar.xz
Add some more opentracing to sliding sync (#17501)
This will make it easier to see what it is doing in jaeger.
Diffstat (limited to 'synapse')
-rw-r--r--synapse/handlers/sliding_sync.py18
-rw-r--r--synapse/rest/client/sync.py20
2 files changed, 33 insertions, 5 deletions
diff --git a/synapse/handlers/sliding_sync.py b/synapse/handlers/sliding_sync.py
index 84f2fa18ff..73414dbf69 100644
--- a/synapse/handlers/sliding_sync.py
+++ b/synapse/handlers/sliding_sync.py
@@ -41,7 +41,7 @@ from synapse.api.constants import AccountDataTypes, Direction, EventTypes, Membe
 from synapse.events import EventBase
 from synapse.events.utils import strip_event
 from synapse.handlers.relations import BundledAggregations
-from synapse.logging.opentracing import start_active_span, tag_args, trace
+from synapse.logging.opentracing import log_kv, start_active_span, tag_args, trace
 from synapse.storage.databases.main.roommember import extract_heroes_from_room_summary
 from synapse.storage.databases.main.stream import CurrentStateDeltaMembership
 from synapse.storage.roommember import MemberSummary
@@ -444,6 +444,7 @@ class SlidingSyncHandler:
 
         return result
 
+    @trace
     async def current_sync_for_user(
         self,
         sync_config: SlidingSyncConfig,
@@ -682,8 +683,9 @@ class SlidingSyncHandler:
             if room_sync_result or not from_token:
                 rooms[room_id] = room_sync_result
 
-        with start_active_span("sliding_sync.generate_room_entries"):
-            await concurrently_execute(handle_room, relevant_room_map, 10)
+        if relevant_room_map:
+            with start_active_span("sliding_sync.generate_room_entries"):
+                await concurrently_execute(handle_room, relevant_room_map, 10)
 
         extensions = await self.get_extensions_response(
             sync_config=sync_config,
@@ -1161,6 +1163,7 @@ class SlidingSyncHandler:
 
         # return None
 
+    @trace
     async def filter_rooms(
         self,
         user: UserID,
@@ -1284,6 +1287,7 @@ class SlidingSyncHandler:
         # Assemble a new sync room map but only with the `filtered_room_id_set`
         return {room_id: sync_room_map[room_id] for room_id in filtered_room_id_set}
 
+    @trace
     async def sort_rooms(
         self,
         sync_room_map: Dict[str, _RoomMembershipForUser],
@@ -1492,6 +1496,10 @@ class SlidingSyncHandler:
             else:
                 assert_never(room_status.status)
 
+            log_kv({"sliding_sync.room_status": room_status})
+
+        log_kv({"sliding_sync.from_bound": from_bound, "sliding_sync.initial": initial})
+
         # Assemble the list of timeline events
         #
         # FIXME: It would be nice to make the `rooms` response more uniform regardless of
@@ -1890,6 +1898,7 @@ class SlidingSyncHandler:
             highlight_count=0,
         )
 
+    @trace
     async def get_extensions_response(
         self,
         sync_config: SlidingSyncConfig,
@@ -1942,6 +1951,7 @@ class SlidingSyncHandler:
             account_data=account_data_response,
         )
 
+    @trace
     async def get_to_device_extension_response(
         self,
         sync_config: SlidingSyncConfig,
@@ -2016,6 +2026,7 @@ class SlidingSyncHandler:
             events=messages,
         )
 
+    @trace
     async def get_e2ee_extension_response(
         self,
         sync_config: SlidingSyncConfig,
@@ -2066,6 +2077,7 @@ class SlidingSyncHandler:
             device_unused_fallback_key_types=device_unused_fallback_key_types,
         )
 
+    @trace
     async def get_account_data_extension_response(
         self,
         sync_config: SlidingSyncConfig,
diff --git a/synapse/rest/client/sync.py b/synapse/rest/client/sync.py
index bf3ac8d483..ccfce6bd53 100644
--- a/synapse/rest/client/sync.py
+++ b/synapse/rest/client/sync.py
@@ -52,7 +52,7 @@ from synapse.http.servlet import (
     parse_string,
 )
 from synapse.http.site import SynapseRequest
-from synapse.logging.opentracing import trace_with_opname
+from synapse.logging.opentracing import log_kv, set_tag, trace_with_opname
 from synapse.rest.admin.experimental_features import ExperimentalFeature
 from synapse.types import JsonDict, Requester, SlidingSyncStreamToken, StreamToken
 from synapse.types.rest.client import SlidingSyncBody
@@ -897,7 +897,23 @@ class SlidingSyncRestServlet(RestServlet):
         # by filter ID. For now, we will just prototype with always passing everything
         # in.
         body = parse_and_validate_json_object_from_request(request, SlidingSyncBody)
-        logger.info("Sliding sync request: %r", body)
+
+        # Tag and log useful data to differentiate requests.
+        set_tag("sliding_sync.conn_id", body.conn_id or "")
+        log_kv(
+            {
+                "sliding_sync.lists": {
+                    list_name: {
+                        "ranges": list_config.ranges,
+                        "timeline_limit": list_config.timeline_limit,
+                    }
+                    for list_name, list_config in (body.lists or {}).items()
+                },
+                "sliding_sync.room_subscriptions": list(
+                    (body.room_subscriptions or {}).keys()
+                ),
+            }
+        )
 
         sync_config = SlidingSyncConfig(
             user=user,