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[SPARK-8958] Dynamic allocation: change cached timeout to infinity #7329

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[SPARK-8958] Dynamic allocation: change cached timeout to infinity #7329

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2 changes: 1 addition & 1 deletion core/src/main/scala/org/apache/spark/ExecutorAllocationManager.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -102,7 +102,7 @@ private[spark] class ExecutorAllocationManager(
"spark.dynamicAllocation.executorIdleTimeout", "60s")

private val cachedExecutorIdleTimeoutS = conf.getTimeAsSeconds(
"spark.dynamicAllocation.cachedExecutorIdleTimeout", s"${2 * executorIdleTimeoutS}s")
"spark.dynamicAllocation.cachedExecutorIdleTimeout", s"${Integer.MAX_VALUE}s")

// During testing, the methods to actually kill and add executors are mocked out
private val testing = conf.getBoolean("spark.dynamicAllocation.testing", false)
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4 changes: 2 additions & 2 deletions docs/configuration.md
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Expand Up @@ -1206,7 +1206,7 @@ Apart from these, the following properties are also available, and may be useful
</tr>
<tr>
<td><code>spark.dynamicAllocation.cachedExecutorIdleTimeout</code></td>
<td>2 * executorIdleTimeout</td>
<td>infinity</td>
<td>
If dynamic allocation is enabled and an executor which has cached data blocks has been idle for more than this duration,
the executor will be removed. For more details, see this
Expand All @@ -1222,7 +1222,7 @@ Apart from these, the following properties are also available, and may be useful
</tr>
<tr>
<td><code>spark.dynamicAllocation.maxExecutors</code></td>
<td>Integer.MAX_VALUE</td>
<td>infinity</td>
<td>
Upper bound for the number of executors if dynamic allocation is enabled.
</td>
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