Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/8638#discussion_r38844631
--- Diff: docs/configuration.md ---
@@ -458,9 +458,12 @@ Apart from these, the following properties are also
available, and may be useful
<td><code>spark.shuffle.manager</code></td>
<td>sort</td>
<td>
- Implementation to use for shuffling data. There are two
implementations available:
- <code>sort</code> and <code>hash</code>. Sort-based shuffle is more
memory-efficient and is
- the default option starting in 1.2.
+ Implementation to use for shuffling data. There are three
implementations available:
+ <code>sort</code>, <code>hash</code> and the new
<code>tungsten-sort</code>.
+ Sort-based shuffle is more memory-efficient and is the default option
starting in 1.2.
+ Tungsten-sort is similar to sort based shuffle, with a direct binary
cache-friendly
--- End diff --
Nits: "to the sort-based". Does this need qualification as being
experimental, and available from 1.5 onward?
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