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| author | Josh Durgin <jdurgin@redhat.com> | 2020-02-01 15:28:33 -0500 |
|---|---|---|
| committer | Kefu Chai <kchai@redhat.com> | 2020-02-10 10:08:36 +0800 |
| commit | 9118065c4c3803f8a2c26c28c69ffc9f14ff260a (patch) | |
| tree | 94d0504b31c621c925338f718e89d94c671d9e2e /PendingReleaseNotes | |
| parent | 0a29cf7d6c9076c79416ef7868be3635921fd140 (diff) | |
| download | ceph-9118065c4c3803f8a2c26c28c69ffc9f14ff260a.tar.gz | |
PendingReleaseNotes: mention target_size_ratio change
Signed-off-by: Josh Durgin <jdurgin@redhat.com>
Diffstat (limited to 'PendingReleaseNotes')
| -rw-r--r-- | PendingReleaseNotes | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/PendingReleaseNotes b/PendingReleaseNotes index 6cfbaacc166..a6237e45d36 100644 --- a/PendingReleaseNotes +++ b/PendingReleaseNotes @@ -226,6 +226,15 @@ autoscaling, see :ref:`pg-autoscaler`. Note that existing pools in upgraded clusters will still be set to ``warn`` by default. +* The pool parameter ``target_size_ratio``, used by the pg autoscaler, + has changed meaning. It is now normalized across pools, rather than + specifying an absolute ratio. For details, see :ref:`pg-autoscaler`. + If you have set target size ratios on any pools, you may want to set + these pools to autoscale ``warn`` mode to avoid data movement during + the upgrade:: + + ceph osd pool set <pool-name> pg_autoscale_mode warn + * The ``upmap_max_iterations`` config option of mgr/balancer has been renamed to ``upmap_max_optimizations`` to better match its behaviour. |