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Update for clarification 

Make it clear which nodes in the cluster should have `http.enabled` set to `false`.

Closes #10305
This commit is contained in:
Dustin Shiver 2015-03-28 20:39:58 -07:00 committed by Clinton Gormley
parent 589f8d4468
commit ae60144123
1 changed files with 8 additions and 4 deletions
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12
docs/reference/modules/http.asciidoc
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@ -90,7 +90,11 @@ It also uses the common
=== Disable HTTP
The http module can be completely disabled and not started by setting
`http.enabled` to `false`. This make sense when creating non
<<modules-node,data nodes>> which accept HTTP
requests, and communicate with data nodes using the internal
<<modules-transport,transport>>.
`http.enabled` to `false`. Elasticsearch nodes (and Java clients) communicate
internally using the <<modules-transport,transport interface>>, not HTTP. It
might make sense to disable the `http` layer entirely on nodes which are not
meant to serve REST requests directly. For instance, you could disable HTTP on
<<modules-node,data-only nodes>> if you also have
<<modules-node,client nodes>> which are intended to serve all REST requests.
Be aware, however, that you will not be able to send any REST requests (eg to
retrieve node stats) directly to nodes which have HTTP disabled.