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Clarify heap setting in Docker docs #42754

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Jun 3, 2019
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Clarify heap setting in Docker docs #42754

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Clarify heap setting in Docker docs
dliappis May 31, 2019
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Addressing PR comment
dliappis May 31, 2019
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6 changes: 6 additions & 0 deletions docs/reference/setup/install/docker.asciidoc
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Expand Up @@ -372,6 +372,12 @@ published ports with `--publish-all`, unless you are pinning one container per h

. Use the `ES_JAVA_OPTS` environment variable to set heap size. For example, to
use 16GB, use `-e ES_JAVA_OPTS="-Xms16g -Xmx16g"` with `docker run`.
+
--
NOTE: You still need to <<heap-size,configure the heap size>> even if you are
https://docs.docker.com/config/containers/resource_constraints/#limit-a-containers-access-to-memory[limiting
memory access] to the container.
--

. Pin your deployments to a specific version of the {es} Docker image, for
example +docker.elastic.co/elasticsearch/elasticsearch:{version}+.
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