Change logfile compression to bzip2

webservice/common.py

@@ -4,8 +4,8 @@
 # Implement the systemd notify protocol without external dependencies.
 # Taken from the sd_notify man page
 
+import bz2
 import errno
-import gzip
 import logging
 import os
 import shutil
@@ -45,7 +45,7 @@ def file_and_stderr_logs(path: Path):
     # From Python logging cookbook: compress logs when they're rotated
     def rotator(source, dest):
         with open(source, 'rb') as f_in:
-            with gzip.open(dest, 'wb') as f_out:
+            with bz2.open(dest, 'wb') as f_out:
                 shutil.copyfileobj(f_in, f_out)
         os.remove(source)
 
@@ -55,7 +55,7 @@ def file_and_stderr_logs(path: Path):
         atTime=time(12, 0),  # At midday (after experiments finish)
         backupCount=40,  # weeks of logs to keep
     )
-    filehandler.namer = lambda name: name + ".gz"
+    filehandler.namer = lambda name: name + ".bz2"
     filehandler.rotator = rotator
     filehandler.setFormatter(logging.Formatter(
         '%(asctime)s - %(name)s - %(levelname)s - [%(filename)s:%(lineno)d] %(message)s'  # noqa