From: Zac Dover Date: Mon, 30 Oct 2023 02:37:39 +0000 (+1000) Subject: doc/glossary: improve "BlueStore" entry X-Git-Tag: v19.0.0~217^2 X-Git-Url: http://git.apps.os.sepia.ceph.com/?a=commitdiff_plain;h=8713cca328c9373636efdb92449d743b5bd56584;p=ceph.git doc/glossary: improve "BlueStore" entry Initially s/backend/back end/ but then I added a little more information about BlueStore's use of RocksDB to map object names to block locations on disk. Co-authored-by: Anthony D'Atri Signed-off-by: Zac Dover --- diff --git a/doc/glossary.rst b/doc/glossary.rst index 524dd01a20ec4..d5619e464c8be 100644 --- a/doc/glossary.rst +++ b/doc/glossary.rst @@ -15,10 +15,12 @@ introduced in the Ceph Kraken release. The Luminous release of Ceph promoted BlueStore to the default OSD back end, supplanting FileStore. As of the Reef release, FileStore is no - longer available as a storage backend. + longer available as a storage back end. - BlueStore stores objects directly on Ceph block devices without - a mounted file system. + BlueStore stores objects directly on raw block devices or + partitions, and does not interact with mounted file systems. + BlueStore uses RocksDB's key/value database to map object names + to block locations on disk. Bucket In the context of :term:`RGW`, a bucket is a group of objects.