56 lines
1.6 KiB
Plaintext
56 lines
1.6 KiB
Plaintext
[horizontal]
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`ES_USER`::
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The user to run as, defaults to `elasticsearch`.
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`ES_GROUP`::
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The group to run as, defaults to `elasticsearch`.
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`JAVA_HOME`::
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Set a custom Java path to be used.
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`MAX_OPEN_FILES`::
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Maximum number of open files, defaults to `65536`.
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`MAX_LOCKED_MEMORY`::
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Maximum locked memory size. Set to `unlimited if you use the
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`bootstrap.mlockall` option in elasticsearch.yml.
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`MAX_MAP_COUNT`::
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Maximum number of memory map areas a process may have. If you use `mmapfs`
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as index store type, make sure this is set to a high value. For more
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information, check the
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https://github.com/torvalds/linux/blob/master/Documentation/sysctl/vm.txt[linux kernel documentation]
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about `max_map_count`. This is set via `sysctl` before starting
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elasticsearch. Defaults to `262144`.
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`LOG_DIR`::
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Log directory, defaults to `/var/log/elasticsearch`.
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`DATA_DIR`::
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Data directory, defaults to `/var/lib/elasticsearch`.
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`CONF_DIR`::
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Configuration file directory (which needs to include `elasticsearch.yml`
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and `logging.yml` files), defaults to `/etc/elasticsearch`.
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`ES_JAVA_OPTS`::
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Any additional JVM system properties you may want to apply.
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`RESTART_ON_UPGRADE`::
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Configure restart on package upgrade, defaults to `false`. This means you
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will have to restart your elasticsearch instance after installing a
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package manually. The reason for this is to ensure, that upgrades in a
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cluster do not result in a continuous shard reallocation resulting in high
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network traffic and reducing the response times of your cluster.
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