From 3649735703ad9a044299ac5885ca10accf3ae120 Mon Sep 17 00:00:00 2001 From: Sage Weil Date: Fri, 5 Oct 2018 17:25:38 -0500 Subject: [PATCH] PendingReleaseNotes: add note about increased mon memory footprint Signed-off-by: Sage Weil (cherry picked from commit 2e66381c95fd39070a0746eadef03c8b35bbc798) Conflicts: PendingReleaseNotes --- PendingReleaseNotes | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/PendingReleaseNotes b/PendingReleaseNotes index e15de1d451a..304e08c9980 100644 --- a/PendingReleaseNotes +++ b/PendingReleaseNotes @@ -36,6 +36,14 @@ notes (?)) 13.2.3 ====== +* The default memory utilization for the mons has been increased + somewhat. Rocksdb now uses 512 MB of RAM by default, which should + be sufficient for small to medium-sized clusters; large clusters + should tune this up. Also, the ``mon_osd_cache_size`` has been + increase from 10 OSDMaps to 500, which will translate to an + additional 500 MB to 1 GB of RAM for large clusters, and much less + for small clusters. + * Ceph v13.2.2 includes a wrong backport, which may cause mds to go into 'damaged' state when upgrading Ceph cluster from previous version. The bug is fixed in v13.2.3. For ceph v13.2.2 installation, upgrading -- 2.47.3