doc/rgw: document 'rgw gc max concurrent io'

Fixes: https://tracker.ceph.com/issues/44958
Signed-off-by: Casey Bodley <cbodley@redhat.com>

diff --git a/doc/radosgw/config-ref.rst b/doc/radosgw/config-ref.rst
index b16e8dbc56cafb443e553e774d3d92bb6b19d63b..c9785c6b7979fc52b5092a3b1aee7dd697e54956 100644 (file)
--- a/doc/radosgw/config-ref.rst
+++ b/doc/radosgw/config-ref.rst
@@ -447,6 +447,15 @@ configuration parameters.
 :Type: Integer
 :Default: ``3600``
 
+
+``rgw gc max concurrent io``
+
+:Description: The maximum number of concurrent IO operations that the RGW garbage
+              collection thread will use when purging old data.
+:Type: Integer
+:Default: ``10``
+
+
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