HyukjinKwon commented on a change in pull request #33740:
URL: https://github.com/apache/spark/pull/33740#discussion_r693418067
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File path: docs/configuration.md
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@@ -659,6 +659,16 @@ Apart from these, the following properties are also
available, and may be useful
</td>
<td>2.1.2</td>
</tr>
+<tr>
+ <td><code>spark.redaction.string.regex</code></td>
+ <td>(none)</td>
+ <td>
+ Regex to decide which parts of strings produced by Spark contain sensitive
+ information. When this regex matches a string part, that string part is
replaced by a
+ dummy value. This is currently used to redact the output of SQL explain
commands.
Review comment:
I am not sure on this for now. If we happen to add the redaction on
other places not in core, `spark.redaction.string.regex` could make sense. We
won't necessarily have to deprecate it - I would just prefer to leave it
undocumented because semantically it looks fine now although the configuration
is virtually useless at this moment.
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