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Document RABBITMQ_MAX_OPEN_FILES #2333

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14 changes: 14 additions & 0 deletions docs/configure.md
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Expand Up @@ -2527,6 +2527,20 @@ More variables are covered in the [File and Directory Locations guide](./relocat
</p>
</td>
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<tr>
<td>RABBITMQ_MAX_OPEN_FILES</td>
<td>
If set, startup scripts will set the limit of file descriptors available to RabbitMQ (they will execute
`ulimit -n` with the provided value). This can be useful if the soft limit is set too low,
but the hard limit is higher.

If `ulimit` fails (most likely because the value exceeds the hard limit), RabbitMQ won't start.
<p>
<strong>Default</strong>: (none)
</p>
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</table>

Besides the variables listed above, there are several environment variables which
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