diff options
| -rw-r--r-- | changelog.d/4459.misc | 1 | ||||
| -rw-r--r-- | synapse/storage/_base.py | 33 |
2 files changed, 29 insertions, 5 deletions
diff --git a/changelog.d/4459.misc b/changelog.d/4459.misc new file mode 100644 index 0000000000..58130b6190 --- /dev/null +++ b/changelog.d/4459.misc @@ -0,0 +1 @@ +Synapse will now take advantage of native UPSERT functionality in PostgreSQL 9.5+ and SQLite 3.24+. diff --git a/synapse/storage/_base.py b/synapse/storage/_base.py index 254fdc04c6..f62f70b9f1 100644 --- a/synapse/storage/_base.py +++ b/synapse/storage/_base.py @@ -26,6 +26,7 @@ from prometheus_client import Histogram from twisted.internet import defer from synapse.api.errors import StoreError +from synapse.metrics.background_process_metrics import run_as_background_process from synapse.storage.engines import PostgresEngine from synapse.util.caches.descriptors import Cache from synapse.util.logcontext import LoggingContext, PreserveLoggingContext @@ -198,7 +199,12 @@ class SQLBaseStore(object): if self.database_engine.can_native_upsert: # Check ASAP (and then later, every 1s) to see if we have finished # background updates of tables that aren't safe to update. - self._clock.call_later(0.0, self._check_safe_to_upsert) + self._clock.call_later( + 0.0, + run_as_background_process, + "upsert_safety_check", + self._check_safe_to_upsert + ) @defer.inlineCallbacks def _check_safe_to_upsert(self): @@ -208,7 +214,7 @@ class SQLBaseStore(object): If there are background updates, we will need to wait, as they may be the addition of indexes that set the UNIQUE constraint that we require. - If the background updates have not completed, wait a second and check again. + If the background updates have not completed, wait 15 sec and check again. """ updates = yield self._simple_select_list( "background_updates", @@ -221,11 +227,16 @@ class SQLBaseStore(object): # The User IPs table in schema #53 was missing a unique index, which we # run as a background update. if "user_ips_device_unique_index" not in updates: - self._unsafe_to_upsert_tables.discard("user_id") + self._unsafe_to_upsert_tables.discard("user_ips") # If there's any tables left to check, reschedule to run. if self._unsafe_to_upsert_tables: - self._clock.call_later(1.0, self._check_safe_to_upsert) + self._clock.call_later( + 15.0, + run_as_background_process, + "upsert_safety_check", + self._check_safe_to_upsert + ) def start_profiling(self): self._previous_loop_ts = self._clock.time_msec() @@ -609,7 +620,7 @@ class SQLBaseStore(object): inserting lock (bool): True to lock the table when doing the upsert. Returns: - Deferred(None or bool): Native upserts always return None. Emulated + None or bool: Native upserts always return None. Emulated upserts return True if a new entry was created, False if an existing one was updated. """ @@ -637,6 +648,18 @@ class SQLBaseStore(object): def _simple_upsert_txn_emulated( self, txn, table, keyvalues, values, insertion_values={}, lock=True ): + """ + Args: + table (str): The table to upsert into + keyvalues (dict): The unique key tables and their new values + values (dict): The nonunique columns and their new values + insertion_values (dict): additional key/values to use only when + inserting + lock (bool): True to lock the table when doing the upsert. + Returns: + bool: Return True if a new entry was created, False if an existing + one was updated. + """ # We need to lock the table :(, unless we're *really* careful if lock: self.database_engine.lock_table(txn, table) |