From 522a21ec62662d8728940c4774a2b039f8a838c2 Mon Sep 17 00:00:00 2001 From: Brad Hubbard Date: Tue, 27 Nov 2018 13:50:24 +1000 Subject: [PATCH] doc/rados/operations/health-checks: Add LARGE_OMAP_OBJECTS Document LARGE_OMAP_OBJECTS health check Signed-off-by: Brad Hubbard --- doc/rados/operations/health-checks.rst | 19 +++++++++++++++++++ doc/radosgw/dynamicresharding.rst | 2 ++ 2 files changed, 21 insertions(+) diff --git a/doc/rados/operations/health-checks.rst b/doc/rados/operations/health-checks.rst index 1fdd72badd347..256765f6878ec 100644 --- a/doc/rados/operations/health-checks.rst +++ b/doc/rados/operations/health-checks.rst @@ -396,6 +396,25 @@ paired with *PG_DAMAGED* (see above). See :doc:`pg-repair` for more information. +LARGE_OMAP_OBJECTS +__________________ + +One or more pools contain large omap objects as determined by +``osd_deep_scrub_large_omap_object_key_threshold`` (threshold for number of keys +to determine a large omap object) or +``osd_deep_scrub_large_omap_object_value_sum_threshold`` (the threshold for +summed size (bytes) of all key values to determine a large omap object) or both. +More information on the object name, key count, and size in bytes can be found +by searching the cluster log for 'Large omap object found'. Large omap objects +can be caused by RGW bucket index objects that do not have automatic resharding +enabled. Please see :ref:`RGW Dynamic Bucket Index Resharding +` for more information on resharding. + +The thresholds can be adjusted with:: + + ceph config set osd osd_deep_scrub_large_omap_object_key_threshold + ceph config set osd osd_deep_scrub_large_omap_object_value_sum_threshold + CACHE_POOL_NEAR_FULL ____________________ diff --git a/doc/radosgw/dynamicresharding.rst b/doc/radosgw/dynamicresharding.rst index 8dfb815519546..4d51cd76ebc5c 100644 --- a/doc/radosgw/dynamicresharding.rst +++ b/doc/radosgw/dynamicresharding.rst @@ -1,3 +1,5 @@ +.. _rgw_dynamic_bucket_index_resharding: + =================================== RGW Dynamic Bucket Index Resharding =================================== -- 2.39.5