Github user patmcdonough commented on a diff in the pull request:
https://github.com/apache/spark/pull/377#discussion_r11510166
--- Diff: docs/configuration.md ---
@@ -103,23 +103,30 @@ Apart from these, the following properties are also
available, and may be useful
</td>
</tr>
<tr>
+ <td>spark.system.reservedMemorySize</td>
+ <td>300m</td>
--- End diff --
Let's talk more during the QA phase to figure out the right numbers. I've
actually got a test I'm running that still OOMs at 300m, but does fine when at
350m.
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