From a66fe64e827ff502102bf0cbd010fc994fee39f5 Mon Sep 17 00:00:00 2001 From: Josh Durgin Date: Mon, 26 Nov 2018 23:01:38 -0500 Subject: [PATCH] PendingReleaseNotes: add note about osd memory target and bluestore cache Signed-off-by: Josh Durgin --- PendingReleaseNotes | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/PendingReleaseNotes b/PendingReleaseNotes index 304e08c998005..41153ecadeaf6 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 _` -- 2.39.5