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From ehnalis <...@git.apache.org>
Subject [GitHub] spark pull request: [SPARK-7533] [YARN] Decrease spacing between A...
Date Tue, 12 May 2015 21:04:03 GMT
Github user ehnalis commented on a diff in the pull request:

    https://github.com/apache/spark/pull/6082#discussion_r30180243
  
    --- Diff: docs/running-on-yarn.md ---
    @@ -74,6 +74,14 @@ Most of the configs are the same for Spark on YARN as for other deployment
modes
       <td>5000</td>
       <td>
         The interval in ms in which the Spark application master heartbeats into the YARN
ResourceManager.
    +    To avoid the application master to be expired by late reporting, if a higher value
is provided, the interval will be set to the half of the expiry interval in YARN's configuration
<code>(yarn.am.liveness-monitor.expiry-interval-ms / 2)</code>.
    +  </td>
    +</tr>
    +<tr>
    +  <td><code>spark.yarn.scheduler.allocation.interval-ms</code></td>
    +  <td>200</td>
    +  <td>
    +    The interval in ms in which the Spark application master eagerly heartbeats to the
YARN ResourceManager on pending container allocations. It should be no larger than <code>spark.yarn.scheduler.heartbeat.interval-ms</code>.
The allocation interval will double on successive eager heartbeats if pending containers still
exist, until <code>spark.yarn.scheduler.heartbeat.interval-ms</code> reached.
    --- End diff --
    
    Okay.


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