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[SPARK-2524] missing document about spark.deploy.retainedDrivers #1443

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14 changes: 14 additions & 0 deletions docs/spark-standalone.md
Original file line number Diff line number Diff line change
Expand Up @@ -156,6 +156,20 @@ SPARK_MASTER_OPTS supports the following system properties:

<table class="table">
<tr><th>Property Name</th><th>Default</th><th>Meaning</th></tr>
<tr>
<td><code>spark.deploy.retainedApplications</code></td>
<td>200</td>
<td>
The number of completedApps to retain. If this cap is exceeded, then the oldest completedApps will be removed. <br/>
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This language is specific to internal naming. It might be better to say something like this:

The maximum number of completed applications to display. Older applications will be dropped from the UI to maintain this limit.

And likewise below.

</td>
</tr>
<tr>
<td><code>spark.deploy.retainedDrivers</code></td>
<td>200</td>
<td>
The number of completedDrivers to retain. If this cap is exceeded, then the oldest completedDrivers will be removed. <br/>
</td>
</tr>
<tr>
<td><code>spark.deploy.spreadOut</code></td>
<td>true</td>
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