From 2c37b74b3b1bf7f776bfa4b479274f033c3de289 Mon Sep 17 00:00:00 2001 From: mhackett Date: Fri, 28 Aug 2020 10:29:10 -0400 Subject: [PATCH] doc: document tuning of object gateway garbage collection Fixes: https://tracker.ceph.com/issues/47189 Signed-off-by: mhackett --- doc/radosgw/config-ref.rst | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/doc/radosgw/config-ref.rst b/doc/radosgw/config-ref.rst index c818e11aa8e95..117567ed70431 100644 --- a/doc/radosgw/config-ref.rst +++ b/doc/radosgw/config-ref.rst @@ -456,6 +456,17 @@ configuration parameters. :Default: ``10`` +:Tuning Garbage Collection for Delete Heavy Workloads: + +As an initial step towards tuning Ceph Garbage Collection to be more aggressive the following options are suggested to be increased from their default configuration values: + +``rgw gc max concurrent io = 20`` +``rgw gc max trim chunk = 64`` + +:NOTE: Modifying these values requires a restart of the RGW service. + +Once these values have been increased from default please monitor for performance of the cluster during Garbage Collection to verify no adverse performance issues due to the increased values. + Multisite Settings ================== -- 2.39.5