From: Josh Durgin Date: Tue, 27 Nov 2018 04:01:38 +0000 (-0500) Subject: PendingReleaseNotes: add note about osd memory target and bluestore cache X-Git-Tag: v13.2.3~4^2 X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=a66fe64e827ff502102bf0cbd010fc994fee39f5;p=ceph.git PendingReleaseNotes: add note about osd memory target and bluestore cache Signed-off-by: Josh Durgin --- diff --git a/PendingReleaseNotes b/PendingReleaseNotes index 304e08c99800..41153ecadeaf 100644 --- a/PendingReleaseNotes +++ b/PendingReleaseNotes @@ -48,3 +48,11 @@ notes (?)) 'damaged' state when upgrading Ceph cluster from previous version. The bug is fixed in v13.2.3. For ceph v13.2.2 installation, upgrading to v13.2.3 does not requires special action. + +* The bluestore_cache_* options are no longer needed. They are replaced + by osd_memory_target, defaulting to 4GB. BlueStore will expand + and contract its cache to attempt to stay within this + limit. Users upgrading should note this is a higher default + than the previous bluestore_cache_size of 1GB, so OSDs using + BlueStore will use more memory by default. + For more details, see `BlueStore docs _`