HeartSaVioR commented on a change in pull request #27637: [SPARK-30874][SQL]
Support Postgres Kerberos login in JDBC connector
URL: https://github.com/apache/spark/pull/27637#discussion_r382548098
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File path: docs/sql-data-sources-jdbc.md
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@@ -197,6 +197,20 @@ the following case-insensitive options:
The option to enable or disable predicate push-down into the JDBC data
source. The default value is true, in which case Spark will push down filters
to the JDBC data source as much as possible. Otherwise, if set to false, no
filter will be pushed down to the JDBC data source and thus all filters will be
handled by Spark. Predicate push-down is usually turned off when the predicate
filtering is performed faster by Spark than by the JDBC data source.
</td>
</tr>
+
+ <tr>
+ <td><code>keytab</code></td>
+ <td>
+ Location of the kerberos keytab file (which must be pre-uploaded to all
nodes either by <code>--files</code> option of spark-submit or manually) for
the JDBC client. If both <code>keytab</code> and <code>principal</code> defined
then Spark tries to do kerberos authentication.
Review comment:
defined -> are defined
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