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Document how to set ES_TMPDIR in the service file #93121

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Jan 23, 2023
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Document how to set ES_TMPDIR in the service file #93121

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11 changes: 11 additions & 0 deletions docs/reference/setup/sysconfig/executable-jna-tmpdir.asciidoc
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Expand Up @@ -27,11 +27,22 @@ filesystem, or configure {es} to use a different location for its temporary
directory by setting the <<es-tmpdir,`$ES_TMPDIR`>> environment variable. For
instance:

* If you are running {es} directly from a shell, set `$ES_TMPDIR` as follows:
+
["source","sh",subs="attributes"]
--------------------------------------------
export ES_TMPDIR=/usr/share/elasticsearch/tmp
--------------------------------------------

* If you are using `systemd` to run {es} as a service, using the `systemctl`
command, add the following line to the `[Service]` section of your
`elasticsearch.service` unit file:
+
[source,text]
--------------------------------------------
Environment=ES_TMPDIR=/usr/share/elasticsearch/tmp
--------------------------------------------

If you need finer control over the location of these temporary files, you can
also configure the path that JNA uses with the <<set-jvm-options,JVM flag>>
`-Djna.tmpdir=<path>` and you can configure the path that `libffi` uses for its
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