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Merge PR #25273 into master

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* refs/pull/25273/head:
	doc/rados/operations/health-checks: Add LARGE_OMAP_OBJECTS

Reviewed-by: Sage Weil <sage@redhat.com>
This commit is contained in:
Sage Weil 2019-01-12 05:56:41 -06:00
commit 94620be57c
2 changed files with 21 additions and 0 deletions
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19
doc/rados/operations/health-checks.rst
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@ -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
<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 <keys>
ceph config set osd osd_deep_scrub_large_omap_object_value_sum_threshold <bytes>
CACHE_POOL_NEAR_FULL
____________________

2
doc/radosgw/dynamicresharding.rst
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@ -1,3 +1,5 @@
.. _rgw_dynamic_bucket_index_resharding:
===================================
RGW Dynamic Bucket Index Resharding
===================================