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[[cli-tool-jvm-options-{tool-name}]]
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[float]
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==== JVM options
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2023-11-01 01:27:03 +08:00
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CLI tools run with 64MB of heap. For most tools, this value is fine. However, if
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needed this can be overridden by setting the `CLI_JAVA_OPTS` environment variable.
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For example, the following increases the heap size used by the
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`pass:a[elasticsearch-{tool-name}]` tool to 1GB.
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[source,shell,subs=attributes+]
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--------------------------------------------------
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export CLI_JAVA_OPTS="-Xmx1g"
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bin/elasticsearch-{tool-name} ...
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--------------------------------------------------
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