Ngone51 commented on a change in pull request #28370:
URL: https://github.com/apache/spark/pull/28370#discussion_r426333986
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File path: core/src/main/scala/org/apache/spark/storage/BlockManager.scala
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@@ -1551,30 +1555,36 @@ private[spark] class BlockManager(
}
/**
- * Called for pro-active replenishment of blocks lost due to executor
failures
+ * Replicates a block to peer block managers based on existingReplicas and
maxReplicas
*
* @param blockId blockId being replicate
* @param existingReplicas existing block managers that have a replica
* @param maxReplicas maximum replicas needed
+ * @param maxReplicationFailures number of replication failures to tolerate
before
+ * giving up.
+ * @return whether block was successfully replicated or not
*/
def replicateBlock(
blockId: BlockId,
existingReplicas: Set[BlockManagerId],
- maxReplicas: Int): Unit = {
+ maxReplicas: Int,
+ maxReplicationFailures: Option[Int] = None): Boolean = {
logInfo(s"Using $blockManagerId to pro-actively replicate $blockId")
- blockInfoManager.lockForReading(blockId).foreach { info =>
+ blockInfoManager.lockForReading(blockId).forall { info =>
Review comment:
I see.
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