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https://issues.apache.org/jira/browse/SPARK-25827?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-25827:
------------------------------------
Assignee: Apache Spark
> Replicating a block > 2gb with encryption fails
> -----------------------------------------------
>
> Key: SPARK-25827
> URL: https://issues.apache.org/jira/browse/SPARK-25827
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 2.4.0
> Reporter: Imran Rashid
> Assignee: Apache Spark
> Priority: Major
>
> When replicating large blocks with encryption, we try to allocate an array of
> size {{Int.MaxValue}} which is just a bit too big for the JVM. This is
> basically the same as SPARK-25704, just another case.
> In DiskStore:
> {code}
> val chunkSize = math.min(remaining, Int.MaxValue)
> {code}
> {noformat}
> 18/10/22 17:04:06 WARN storage.BlockManager: Failed to replicate rdd_1_1 to
> ..., failure #0
> org.apache.spark.SparkException: Exception thrown in awaitResult:
> at org.apache.spark.util.ThreadUtils$.awaitResult(ThreadUtils.scala:226)
> at
> org.apache.spark.network.BlockTransferService.uploadBlockSync(BlockTransferService.scala:133)
> at
> org.apache.spark.storage.BlockManager.org$apache$spark$storage$BlockManager$$replicate(BlockManager.scala:1421)
> at
> org.apache.spark.storage.BlockManager$$anonfun$doPutIterator$1.apply(BlockManager.scala:1230)
> at
> org.apache.spark.storage.BlockManager$$anonfun$doPutIterator$1.apply(BlockManager.scala:1156)
> at org.apache.spark.storage.BlockManager.doPut(BlockManager.scala:1091)
> ...
> Caused by: java.lang.RuntimeException: java.io.IOException: Destination
> failed while reading stream
> ...
> Caused by: java.lang.OutOfMemoryError: Requested array size exceeds VM limit
> at java.nio.HeapByteBuffer.<init>(HeapByteBuffer.java:57)
> at java.nio.ByteBuffer.allocate(ByteBuffer.java:335)
> at
> org.apache.spark.storage.BlockManager$$anon$1$$anonfun$7.apply(BlockManager.scala:446)
> at
> org.apache.spark.storage.BlockManager$$anon$1$$anonfun$7.apply(BlockManager.scala:446)
> at
> org.apache.spark.storage.EncryptedBlockData.toChunkedByteBuffer(DiskStore.scala:221)
> at
> org.apache.spark.storage.BlockManager$$anon$1.onComplete(BlockManager.scala:449)
> ...
> {noformat}
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