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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2022/06/02 18:26:57 UTC
[GitHub] [spark] attilapiros commented on a diff in pull request #36512: [SPARK-39152][CORE] Deregistering disk persisted local blocks in case of IO related errors
attilapiros commented on code in PR #36512:
URL: https://github.com/apache/spark/pull/36512#discussion_r888265229
##########
core/src/main/scala/org/apache/spark/storage/BlockManager.scala:
##########
@@ -933,46 +935,56 @@ private[spark] class BlockManager(
})
Some(new BlockResult(ci, DataReadMethod.Memory, info.size))
} else if (level.useDisk && diskStore.contains(blockId)) {
+ var diskData: BlockData = null
try {
- val diskData = diskStore.getBytes(blockId)
- val iterToReturn: Iterator[Any] = {
- if (level.deserialized) {
- val diskValues = serializerManager.dataDeserializeStream(
- blockId,
- diskData.toInputStream())(info.classTag)
- maybeCacheDiskValuesInMemory(info, blockId, level, diskValues)
- } else {
- val stream = maybeCacheDiskBytesInMemory(info, blockId, level, diskData)
- .map { _.toInputStream(dispose = false) }
- .getOrElse { diskData.toInputStream() }
- serializerManager.dataDeserializeStream(blockId, stream)(info.classTag)
- }
+ diskData = diskStore.getBytes(blockId)
+ val iterToReturn = if (level.deserialized) {
+ val diskValues = serializerManager.dataDeserializeStream(
+ blockId,
+ diskData.toInputStream())(info.classTag)
+ maybeCacheDiskValuesInMemory(info, blockId, level, diskValues)
+ } else {
+ val stream = maybeCacheDiskBytesInMemory(info, blockId, level, diskData)
+ .map { _.toInputStream(dispose = false) }
+ .getOrElse { diskData.toInputStream() }
+ serializerManager.dataDeserializeStream(blockId, stream)(info.classTag)
}
val ci = CompletionIterator[Any, Iterator[Any]](iterToReturn, {
releaseLockAndDispose(blockId, diskData, taskContext)
})
Some(new BlockResult(ci, DataReadMethod.Disk, info.size))
} catch {
- case ex: KryoException if ex.getCause.isInstanceOf[IOException] =>
- // We need to have detailed log message to catch environmental problems easily.
- // Further details: https://issues.apache.org/jira/browse/SPARK-37710
- processKryoException(ex, blockId)
- throw ex
+ case t: Throwable =>
+ if (diskData != null) {
+ diskData.dispose()
+ diskData = null
+ }
+ releaseLock(blockId, taskContext)
+ if (isIORelatedException(t)) {
+ logInfo(extendMessageWithBlockDetails(t.getMessage, blockId))
+ // Remove the block so that its unavailability is reported to the driver
+ removeBlock(blockId)
Review Comment:
I have updated the description and the title. @Ngone51 is there something else?
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