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-rw-r--r--synapse/config/logger.py24
1 files changed, 20 insertions, 4 deletions
diff --git a/synapse/config/logger.py b/synapse/config/logger.py
index a87b11a1df..7081868963 100644
--- a/synapse/config/logger.py
+++ b/synapse/config/logger.py
@@ -50,6 +50,7 @@ handlers:
         maxBytes: 104857600
         backupCount: 10
         filters: [context]
+        encoding: utf8
     console:
         class: logging.StreamHandler
         formatter: precise
@@ -168,7 +169,8 @@ def setup_logging(config, use_worker_options=False):
         if log_file:
             # TODO: Customisable file size / backup count
             handler = logging.handlers.RotatingFileHandler(
-                log_file, maxBytes=(1000 * 1000 * 100), backupCount=3
+                log_file, maxBytes=(1000 * 1000 * 100), backupCount=3,
+                encoding='utf8'
             )
 
             def sighup(signum, stack):
@@ -193,9 +195,8 @@ def setup_logging(config, use_worker_options=False):
 
         def sighup(signum, stack):
             # it might be better to use a file watcher or something for this.
-            logging.info("Reloading log config from %s due to SIGHUP",
-                         log_config)
             load_log_config()
+            logging.info("Reloaded log config from %s due to SIGHUP", log_config)
 
         load_log_config()
 
@@ -227,7 +228,22 @@ def setup_logging(config, use_worker_options=False):
     #
     # However this may not be too much of a problem if we are just writing to a file.
     observer = STDLibLogObserver()
+
+    def _log(event):
+
+        if "log_text" in event:
+            if event["log_text"].startswith("DNSDatagramProtocol starting on "):
+                return
+
+            if event["log_text"].startswith("(UDP Port "):
+                return
+
+            if event["log_text"].startswith("Timing out client"):
+                return
+
+        return observer(event)
+
     globalLogBeginner.beginLoggingTo(
-        [observer],
+        [_log],
         redirectStandardIO=not config.no_redirect_stdio,
     )