From: Sage Weil Date: Thu, 19 May 2016 10:25:43 +0000 (-0400) Subject: doc/dev/bluestore: update based on Igor's feedback X-Git-Tag: v11.0.0~359^2~67 X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=f6151f7697ec4d91e34ec7f4a56559f6c2c6c6d9;p=ceph.git doc/dev/bluestore: update based on Igor's feedback Signed-off-by: Sage Weil --- diff --git a/doc/dev/bluestore.rst b/doc/dev/bluestore.rst index 756877353731..91d71d037cc5 100644 --- a/doc/dev/bluestore.rst +++ b/doc/dev/bluestore.rst @@ -72,14 +72,14 @@ might be several blobs to consider (e.g., we might be able to *W* into one or +--------------------------+--------+--------------+-------------+--------------+---------------+ | 64 KB (over)write | U | U | U | U | U or C | +--------------------------+--------+--------------+-------------+--------------+---------------+ -| 4 KB overwrite | W | W | W | R+W | P|N (F?) | +| 4 KB overwrite | W | P | W | P | W | P | R+W | P | N (F?) | +--------------------------+--------+--------------+-------------+--------------+---------------+ -| 100 byte overwrite | R+W | W | R+W | R+W | P|N (F?) | +| 100 byte overwrite | R+W | P | W | P | R+W | P | R+W | P | N (F?) | +--------------------------+--------+--------------+-------------+--------------+---------------+ -| 100 byte append | R+W | W | R+W | R+W | P|N (F?) | +| 100 byte append | R+W | P | W | P | R+W | P | R+W | P | N (F?) | +--------------------------+--------+--------------+-------------+--------------+---------------+ +--------------------------+--------+--------------+-------------+--------------+---------------+ -| 4 KB clone overwrite | P|N | P|N | P|N | P|N | N (F?) | +| 4 KB clone overwrite | P | N | P | N | P | N | P | N | N (F?) | +--------------------------+--------+--------------+-------------+--------------+---------------+ -| 100 byte clone overwrite | P|N | P|N | P|N | P|N | N (F?) | +| 100 byte clone overwrite | P | N | P | N | P | N | P | N | N (F?) | +--------------------------+--------+--------------+-------------+--------------+---------------+