From 0d858b97895eeb5d30c172bb085993e20b258f72 Mon Sep 17 00:00:00 2001 From: Kefu Chai Date: Sat, 25 Feb 2017 11:16:32 +0800 Subject: [PATCH] doc: document `osd-agent-{max,low}-ops` options Signed-off-by: Kefu Chai --- doc/rados/configuration/osd-config-ref.rst | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/doc/rados/configuration/osd-config-ref.rst b/doc/rados/configuration/osd-config-ref.rst index b9c8abe9e752a..99c8db32e9234 100644 --- a/doc/rados/configuration/osd-config-ref.rst +++ b/doc/rados/configuration/osd-config-ref.rst @@ -695,7 +695,26 @@ perform well in a degraded state. :Type: Boolean :Default: ``true`` +Tiering +======= + +``osd agent max ops`` + +:Description: The maximum number of simultaneous flushing ops per tiering agent + in the high speed mode. +:Type: 32-bit Integer +:Default: ``4`` + + +``osd agent max low ops`` + +:Description: The maximum number of simultaneous flushing ops per tiering agent + in the low speed mode. +:Type: 32-bit Integer +:Default: ``2`` +See `cache target dirty high ratio`_ for when the tiering agent flushes dirty +objects within the high speed mode. Miscellaneous ============= @@ -788,3 +807,4 @@ Miscellaneous .. _Monitoring OSDs and PGs: ../../operations/monitoring-osd-pg#peering .. _Pool & PG Config Reference: ../pool-pg-config-ref .. _Journal Config Reference: ../journal-ref +.. _cache target dirty high ratio: ../../operations/pools#cache-target-dirty-high-ratio -- 2.39.5