Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/17498#discussion_r109167234
--- Diff: docs/configuration.md ---
@@ -773,14 +774,15 @@ Apart from these, the following properties are also
available, and may be useful
<td>true</td>
<td>
Whether to compress broadcast variables before sending them. Generally
a good idea.
+ Compression will use <code>spark.io.compression.codec</code>.
</td>
</tr>
<tr>
<td><code>spark.io.compression.codec</code></td>
<td>lz4</td>
<td>
- The codec used to compress internal data such as RDD partitions,
broadcast variables and
- shuffle outputs. By default, Spark provides three codecs:
<code>lz4</code>, <code>lzf</code>,
+ The codec used to compress internal data such as RDD partitions,event
log, broadcast variables
--- End diff --
(missing a space)
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