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https://issues.apache.org/jira/browse/SPARK-23394?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Attila Zsolt Piros updated SPARK-23394:
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Description:
Start spark as:
{code:bash}
$ bin/spark-shell --master local-cluster[2,1,1024]
{code}
{code:scala}
scala> import org.apache.spark.storage.StorageLevel._
import org.apache.spark.storage.StorageLevel._
scala> sc.parallelize((1 to 100), 10).persist(MEMORY_AND_DISK_2).count
res0: Long = 100
scala> sc.getRDDStorageInfo(0).numCachedPartitions
res1: Int = 20
{code}
But on the UI at the Storage tab Cached Partitions is 10. See attached
screenshot !Storage_Tab.png! .
was:
Start spark as:
{code:bash}
$ bin/spark-shell --master local-cluster[2,1,1024]
{code}
{code:scala}
scala> import org.apache.spark.storage.StorageLevel._
import org.apache.spark.storage.StorageLevel._
scala> sc.parallelize((1 to 100), 10).persist(MEMORY_AND_DISK_2).count
res0: Long = 100
scala> sc.getRDDStorageInfo(0).numCachedPartitions
res1: Int = 20
{code}
But on the UI at the Storage tab Cached Partitions is 10. See attached
screenshot.
> Storage info's Cached Partitions doesn't consider the replications (but
> sc.getRDDStorageInfo does)
> --------------------------------------------------------------------------------------------------
>
> Key: SPARK-23394
> URL: https://issues.apache.org/jira/browse/SPARK-23394
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 2.3.0
> Reporter: Attila Zsolt Piros
> Priority: Major
> Attachments: Spark_2.2.1.png, Spark_2.4.0-SNAPSHOT.png,
> Storage_Tab.png
>
>
> Start spark as:
> {code:bash}
> $ bin/spark-shell --master local-cluster[2,1,1024]
> {code}
> {code:scala}
> scala> import org.apache.spark.storage.StorageLevel._
> import org.apache.spark.storage.StorageLevel._
> scala> sc.parallelize((1 to 100), 10).persist(MEMORY_AND_DISK_2).count
> res0: Long = 100
>
> scala> sc.getRDDStorageInfo(0).numCachedPartitions
> res1: Int = 20
> {code}
> But on the UI at the Storage tab Cached Partitions is 10. See attached
> screenshot !Storage_Tab.png! .
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