From 7a05ee63e4e3300f485e6cfd3f688dcf8a3f1b41 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?S=C3=A9bastien=20Han?= Date: Mon, 27 Jan 2020 09:38:11 +0100 Subject: [PATCH] doc: update doc for PG count MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Ceph recently changed its default PG count in https://github.com/ceph/ceph/pull/32788, it also changed from 8 to 16 then 16 to 32. So let's remove the 8 PGs mention which is incorrect. Signed-off-by: Sébastien Han --- Documentation/ceph-configuration.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Documentation/ceph-configuration.md b/Documentation/ceph-configuration.md index eedd0908a..02010af93 100644 --- a/Documentation/ceph-configuration.md +++ b/Documentation/ceph-configuration.md @@ -30,7 +30,7 @@ docs](https://docs.ceph.com/docs/master/rados/operations/placement-groups/#a-pre provide detailed information about how to tune these parameters: `osd_pool_default_pg_num` and `osd_pool_default_pgp_num`. Pools created prior to v1.1 will have a default PG count of 100. Pools created after v1.1 -will have a default PG count of 8. +will have Ceph's default PG count. An easier option exists for Rook-Ceph clusters running Ceph Nautilus (v14.2.x) or newer. Nautilus [introduced the PG auto-scaler mgr module](https://ceph.com/rados/new-in-nautilus-pg-merging-and-autotuning/)