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https://issues.apache.org/jira/browse/SPARK-5073?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16131667#comment-16131667
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zhaP524 commented on SPARK-5073:
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I wonder what this parameter is for?Also want to know if this parameter is
related to the memory-mapped file?I hope You can tell you the trouble.
> "spark.storage.memoryMapThreshold" has two default values
> ---------------------------------------------------------
>
> Key: SPARK-5073
> URL: https://issues.apache.org/jira/browse/SPARK-5073
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 1.2.0
> Reporter: Jianhui Yuan
> Priority: Minor
>
> In org.apache.spark.storage.DiskStore:
> val minMemoryMapBytes =
> blockManager.conf.getLong("spark.storage.memoryMapThreshold", 2 * 4096L)
> In org.apache.spark.network.util.TransportConf:
> public int memoryMapBytes() {
> return conf.getInt("spark.storage.memoryMapThreshold", 2 * 1024 *
> 1024);
> }
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