From b37beeb09d2a7d69786795aafc0bbf40ca67b8fc Mon Sep 17 00:00:00 2001 From: Dhairya Parmar Date: Thu, 13 Apr 2023 15:42:29 +0530 Subject: [PATCH] doc/cephfs: document MDS_CLIENTS_LAGGY health warning Signed-off-by: Dhairya Parmar (cherry picked from commit 7c8e7944147c0525b82c1cc71620078d3d35586e) --- doc/cephfs/health-messages.rst | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/doc/cephfs/health-messages.rst b/doc/cephfs/health-messages.rst index ee322c2c7adbb..bb461be7b6064 100644 --- a/doc/cephfs/health-messages.rst +++ b/doc/cephfs/health-messages.rst @@ -170,3 +170,15 @@ other daemons, please see :ref:`health-checks`. the actual cache size (in memory) is at least 50% greater than ``mds_cache_memory_limit`` (default 1GB). Modify ``mds_health_cache_threshold`` to set the warning ratio. + +* ``MDS_CLIENTS_LAGGY`` + + Message + "Client *ID* is laggy; not evicted because some OSD(s) is/are laggy" + + Description + If OSD(s) is laggy (due to certain conditions like network cut-off, etc) + then it might make clients laggy(session might get idle or cannot flush + dirty data for cap revokes). If ``defer_client_eviction_on_laggy_osds`` is + set to true (default true), client eviction will not take place and thus + this health warning will be generated. -- 2.39.5