diff options
Diffstat (limited to 'src/ceph/qa/tasks/cephfs/test_readahead.py')
| -rw-r--r-- | src/ceph/qa/tasks/cephfs/test_readahead.py | 31 |
1 files changed, 0 insertions, 31 deletions
diff --git a/src/ceph/qa/tasks/cephfs/test_readahead.py b/src/ceph/qa/tasks/cephfs/test_readahead.py deleted file mode 100644 index 31e7bf1..0000000 --- a/src/ceph/qa/tasks/cephfs/test_readahead.py +++ /dev/null @@ -1,31 +0,0 @@ -import logging -from tasks.cephfs.fuse_mount import FuseMount -from tasks.cephfs.cephfs_test_case import CephFSTestCase - -log = logging.getLogger(__name__) - - -class TestReadahead(CephFSTestCase): - def test_flush(self): - if not isinstance(self.mount_a, FuseMount): - self.skipTest("FUSE needed for measuring op counts") - - # Create 32MB file - self.mount_a.run_shell(["dd", "if=/dev/urandom", "of=foo", "bs=1M", "count=32"]) - - # Unmount and remount the client to flush cache - self.mount_a.umount_wait() - self.mount_a.mount() - self.mount_a.wait_until_mounted() - - initial_op_r = self.mount_a.admin_socket(['perf', 'dump', 'objecter'])['objecter']['op_r'] - self.mount_a.run_shell(["dd", "if=foo", "of=/dev/null", "bs=128k", "count=32"]) - op_r = self.mount_a.admin_socket(['perf', 'dump', 'objecter'])['objecter']['op_r'] - assert op_r >= initial_op_r - op_r -= initial_op_r - log.info("read operations: {0}".format(op_r)) - - # with exponentially increasing readahead, we should see fewer than 10 operations - # but this test simply checks if the client is doing a remote read for each local read - if op_r >= 32: - raise RuntimeError("readahead not working") |