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Update docs to include SASL support for RPC #14549

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Update docs to include SASL support for RPC #14549

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7 changes: 4 additions & 3 deletions docs/configuration.md
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Original file line number Diff line number Diff line change
Expand Up @@ -1211,7 +1211,7 @@ Apart from these, the following properties are also available, and may be useful
<td>false</td>
<td>
Whether to use dynamic resource allocation, which scales the number of executors registered
with this application up and down based on the workload.
with this application up and down based on the workload.
For more detail, see the description
<a href="job-scheduling.html#dynamic-resource-allocation">here</a>.
<br><br>
Expand Down Expand Up @@ -1352,8 +1352,9 @@ Apart from these, the following properties are also available, and may be useful
<td><code>spark.authenticate.enableSaslEncryption</code></td>
<td>false</td>
<td>
Enable encrypted communication when authentication is enabled. This option is currently
only supported by the block transfer service.
Enable encrypted communication when authentication is
enabled. This is supported by the block transfer service and the
RPC endpoints.
</td>
</tr>
<tr>
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3 changes: 2 additions & 1 deletion docs/security.md
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Expand Up @@ -27,7 +27,8 @@ If your applications are using event logging, the directory where the event logs

## Encryption

Spark supports SSL for HTTP protocols. SASL encryption is supported for the block transfer service.
Spark supports SSL for HTTP protocols. SASL encryption is supported for the block transfer service
and the RPC endpoints.

Encryption is not yet supported for data stored by Spark in temporary local storage, such as shuffle
files, cached data, and other application files. If encrypting this data is desired, a workaround is
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