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Add stale shard issue to Resiliency page

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This commit adds a simple description of the stale shard issue to the
Resiliency page.

Relates #14671
This commit is contained in:
Jason Tedor 2015-11-11 08:28:15 -05:00
parent bfe27407ae
commit 7b16e82df4
1 changed files with 7 additions and 0 deletions
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docs/resiliency/index.asciidoc
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@ -204,6 +204,13 @@ Commonly used filters are cached in Elasticsearch. That cache is limited in size
While we are working on a longer term solution ({GIT}9176[#9176]), we introduced a minimum weight of 1k for each cache entry. This puts an effective limit on the number of entries in the cache. See {GIT}8304[#8304] (STATUS: DONE, fixed in v1.4.0)
[float]
=== Do not allow stale shards to automatically be promoted to primary (STATUS: ONGOING)
In some scenarios, a succession of multiple isolated nodes can cause a stale replica shard to be promoted to primary
leading to a loss of acknowledged indexing operations. Work is underway ({GIT}14671[#14671]) to prevent the automatic
promotion of a stale primary and only allow such promotion to occur when a system operator manually intervenes.
== Completed
[float]