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[DOCS] Add random default datafeed query delay 

Original commit: elastic/x-pack-elasticsearch@d886f09192
This commit is contained in:
lcawley 2017-09-19 08:47:23 -07:00
parent ea66433899
commit af2b2ca542
1 changed files with 3 additions and 1 deletions
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docs/en/rest-api/ml/datafeedresource.asciidoc
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@ -41,7 +41,9 @@ A {dfeed} resource has the following properties:
`query_delay`:: `query_delay`::
(time units) The number of seconds behind real time that data is queried. For (time units) The number of seconds behind real time that data is queried. For
example, if data from 10:04 a.m. might not be searchable in {es} until example, if data from 10:04 a.m. might not be searchable in {es} until
10:06 a.m., set this property to 120 seconds. The default value is `60s`. 10:06 a.m., set this property to 120 seconds. The default value is randomly
selected between `60s` and `120s`. This randomness improves the query
performance when there are multiple jobs running on the same node.
`script_fields`:: `script_fields`::
(object) Specifies scripts that evaluate custom expressions and returns (object) Specifies scripts that evaluate custom expressions and returns