Github user pwendell commented on a diff in the pull request:
https://github.com/apache/spark/pull/42#discussion_r10272892
--- Diff: docs/configuration.md ---
@@ -444,7 +444,21 @@ Apart from these, the following properties are also
available, and may be useful
<td>spark.logConf</td>
<td>false</td>
<td>
- Log the supplied SparkConf as INFO at start of spark context.
+ Whether to log the supplied SparkConf as INFO at start of spark
context.
+ </td>
+</tr>
+<tr>
+ <td>spark.eventLog.enabled</td>
+ <td>false</td>
+ <td>
+ Whether to log spark events, useful for reconstructing the Web UI
after the application has finished.
+ </td>
+</tr>
+<tr>
+ <td>spark.eventLog.dir</td>
+ <td>/tmp/spark-events</td>
+ <td>
+ Directory in which spark events are logged, if
<code>spark.eventLog.enabled</code> is true.
--- End diff --
It might be good to clarify that each application will automatically create
a sub-directory within this that contains the event log.
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