attilapiros commented on code in PR #36512:
URL: https://github.com/apache/spark/pull/36512#discussion_r871823407
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core/src/main/scala/org/apache/spark/storage/BlockManager.scala:
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@@ -933,10 +933,29 @@ private[spark] class BlockManager(
})
Some(new BlockResult(ci, DataReadMethod.Memory, info.size))
} else if (level.useDisk && diskStore.contains(blockId)) {
- try {
- val diskData = diskStore.getBytes(blockId)
- val iterToReturn: Iterator[Any] = {
- if (level.deserialized) {
+ var retryCount = 0
+ val retryLimit = 3
Review Comment:
As I know in case of bad sectors retries might help although I am uncertain
whether this already done in a lower level of the IO operation (but this 3
retries is close to the old behaviour when by default Spark retried the task 4
times).
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