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[DOCS] Add example of setting disk threshold decider settings 

Fixes #10686
This commit is contained in:
Lee Hinman 2015-04-22 11:53:19 -06:00
parent f6f649ce40
commit a4f98e7400
1 changed files with 15 additions and 0 deletions
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15
docs/reference/index-modules/allocation.asciidoc
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@ -143,6 +143,21 @@ settings API. By default, Elasticsearch will retrieve information
about the disk usage of the nodes every 30 seconds. This can also be
changed by setting the `cluster.info.update.interval` setting.
An example of updating the low watermark to no more than 80% of the disk size, a
high watermark of at least 50 gigabytes free, and updating the information about
the cluster every minute:
[source,js]
--------------------------------------------------
curl -XPUT localhost:9200/_cluster/settings -d '{
"transient" : {
"cluster.routing.allocation.disk.watermark.low" : "80%",
"cluster.routing.allocation.disk.watermark.high" : "50gb",
"cluster.info.update.interval" : "1m"
}
}'
--------------------------------------------------
By default, Elasticsearch will take into account shards that are currently being
relocated to the target node when computing a node's disk usage. This can be
changed by setting the `cluster.routing.allocation.disk.include_relocations`