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Clarify production mode for bootstrap checks 

This commit clarifies that production mode for the bootstrap checks is
only tripped if transport is bound to an external interface.

Relates #21220
This commit is contained in:
Jason Tedor 2016-10-31 16:34:21 -04:00 committed by GitHub
parent c10a6ddec1
commit 1d8d8ea55f
1 changed files with 13 additions and 7 deletions
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20
docs/reference/setup/bootstrap-checks.asciidoc
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@ -23,14 +23,20 @@ documented individually.
[float]
=== Development vs. production mode
By default, Elasticsearch binds and publishes to `localhost`. This is
By default, Elasticsearch binds to `localhost` for <<modules-http,HTTP>>
and <<modules-transport,transport (internal)>> communication. This is
fine for downloading and playing with Elasticsearch, and everyday
development but it's useless for production systems. For a production
installation to be reachable, it must either bind or publish to an
external interface. Thus, we consider Elasticsearch to be in development
mode if it does not bind nor publish to an external interface (the
default), and is otherwise in production mode if it does bind or publish
to an external interface.
development but it's useless for production systems. To form a cluster,
Elasticsearch instances must be reachable via transport communication so
they must bind transport to an external interface. Thus, we consider an
Elaticsearch instance to be in development mode if it does not bind
transport to an external interface (the default), and is otherwise in
production mode if it does bind transport to an external interface. Note
that HTTP can be configured independently of transport via
<<modules-http,`http.host>> and
<<modules-transport,`transport.tcp.host`>>; this can be useful for
configuring a single instance to be reachable via HTTP for testing
purposes without triggering production mode.
=== Heap size check