2 files changed, 8 insertions, 0 deletions
diff --git a/changelog.d/10712.feature b/changelog.d/10712.feature
new file mode 100644
index 0000000000..d04db6f26f
--- /dev/null
+++ b/changelog.d/10712.feature
@@ -0,0 +1 @@
+Skip final GC at shutdown to improve restart performance.
diff --git a/synapse/app/_base.py b/synapse/app/_base.py
index 39e28aff9f..6fc14930d1 100644
--- a/synapse/app/_base.py
+++ b/synapse/app/_base.py
@@ -12,6 +12,7 @@
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
+import atexit
import gc
import logging
import os
@@ -403,6 +404,12 @@ async def start(hs: "HomeServer"):
gc.collect()
gc.freeze()
+ # Speed up shutdowns by freezing all allocated objects. This moves everything
+ # into the permanent generation and excludes them from the final GC.
+ # Unfortunately only works on Python 3.7
+ if platform.python_implementation() == "CPython" and sys.version_info >= (3, 7):
+ atexit.register(gc.freeze)
+
def setup_sentry(hs):
"""Enable sentry integration, if enabled in configuration
|
