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-rw-r--r--synapse/storage/client_ips.py57
1 files changed, 38 insertions, 19 deletions
diff --git a/synapse/storage/client_ips.py b/synapse/storage/client_ips.py
index 014ab635b7..68955e740b 100644
--- a/synapse/storage/client_ips.py
+++ b/synapse/storage/client_ips.py
@@ -15,7 +15,7 @@
 
 import logging
 
-from twisted.internet import defer
+from twisted.internet import defer, reactor
 
 from ._base import Cache
 from . import background_updates
@@ -50,7 +50,13 @@ class ClientIpStore(background_updates.BackgroundUpdateStore):
             columns=["user_id", "device_id", "last_seen"],
         )
 
-    @defer.inlineCallbacks
+        self._batch_row_update = {}
+
+        self._client_ip_looper = self._clock.looping_call(
+            self._update_client_ips_batch, 5 * 1000
+        )
+        reactor.addSystemEventTrigger("before", "shutdown", self._update_client_ips_batch)
+
     def insert_client_ip(self, user, access_token, ip, user_agent, device_id):
         now = int(self._clock.time_msec())
         key = (user.to_string(), access_token, ip)
@@ -62,28 +68,41 @@ class ClientIpStore(background_updates.BackgroundUpdateStore):
 
         # Rate-limited inserts
         if last_seen is not None and (now - last_seen) < LAST_SEEN_GRANULARITY:
-            defer.returnValue(None)
+            return
 
         self.client_ip_last_seen.prefill(key, now)
 
-        # It's safe not to lock here: a) no unique constraint,
-        # b) LAST_SEEN_GRANULARITY makes concurrent updates incredibly unlikely
-        yield self._simple_upsert(
-            "user_ips",
-            keyvalues={
-                "user_id": user.to_string(),
-                "access_token": access_token,
-                "ip": ip,
-                "user_agent": user_agent,
-                "device_id": device_id,
-            },
-            values={
-                "last_seen": now,
-            },
-            desc="insert_client_ip",
-            lock=False,
+        self._batch_row_update[key] = (user_agent, device_id, now)
+
+    def _update_client_ips_batch(self):
+        to_update = self._batch_row_update
+        self._batch_row_update = {}
+        return self.runInteraction(
+            "_update_client_ips_batch", self._update_client_ips_batch_txn, to_update
         )
 
+    def _update_client_ips_batch_txn(self, txn, to_update):
+        self.database_engine.lock_table(txn, "user_ips")
+
+        for entry in to_update.iteritems():
+            (user_id, access_token, ip), (user_agent, device_id, last_seen) = entry
+
+            self._simple_upsert_txn(
+                txn,
+                table="user_ips",
+                keyvalues={
+                    "user_id": user_id,
+                    "access_token": access_token,
+                    "ip": ip,
+                    "user_agent": user_agent,
+                    "device_id": device_id,
+                },
+                values={
+                    "last_seen": last_seen,
+                },
+                lock=False,
+            )
+
     @defer.inlineCallbacks
     def get_last_client_ip_by_device(self, devices):
         """For each device_id listed, give the user_ip it was last seen on