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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 about the disk usage of the nodes every 30 seconds. This can also be
changed by setting the `cluster.info.update.interval` setting. 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 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 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` changed by setting the `cluster.routing.allocation.disk.include_relocations`