21356: Remove all Python 2/3 compatibility imports

[arvados.git] / services / fuse / arvados_fuse / command.py

diff --git a/services/fuse/arvados_fuse/command.py b/services/fuse/arvados_fuse/command.py
index 45847fde81734ce251c1aa45d95f9daa82866783..8004e8303f624eaa5acd17f616826b3197e92af7 100644 (file)
--- a/services/fuse/arvados_fuse/command.py
+++ b/services/fuse/arvados_fuse/command.py
@@ -2,9 +2,6 @@
 #
 # SPDX-License-Identifier: AGPL-3.0
 
-from future.utils import native_str
-from builtins import range
-from builtins import object
 import argparse
 import arvados
 import daemon
@@ -410,7 +407,7 @@ class Mount(object):
         if self.args.replace:
             unmount(path=self.args.mountpoint,
                     timeout=self.args.unmount_timeout)
-        llfuse.init(self.operations, native_str(self.args.mountpoint), self._fuse_options())
+        llfuse.init(self.operations, str(self.args.mountpoint), self._fuse_options())
         if self.daemon:
             daemon.DaemonContext(
                 working_directory=os.path.dirname(self.args.mountpoint),
@@ -490,13 +487,6 @@ class Mount(object):
                                                       disk_cache=self.args.disk_cache,
                                                       disk_cache_dir=self.args.disk_cache_dir)
 
-            # If there's too many prefetch threads and you
-            # max out the CPU, delivering data to the FUSE
-            # layer actually ends up being slower.
-            # Experimentally, capping 7 threads seems to
-            # be a sweet spot.
-            prefetch_threads = min(max((block_cache.cache_max // (64 * 1024 * 1024)) - 1, 1), 7)
-
             self.api = arvados.safeapi.ThreadSafeApiCache(
                 apiconfig=arvados.config.settings(),
                 api_params={
@@ -504,7 +494,6 @@ class Mount(object):
                 },
                 keep_params={
                     'block_cache': block_cache,
-                    'num_prefetch_threads': prefetch_threads,
                     'num_retries': self.args.retries,
                 },
                 version='v1',