holdenk commented on a change in pull request #28370:
URL: https://github.com/apache/spark/pull/28370#discussion_r426802163
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File path: core/src/main/scala/org/apache/spark/storage/BlockManager.scala
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@@ -1829,7 +1901,58 @@ private[spark] class BlockManager(
data.dispose()
}
+ /**
+ * Class to handle block manager decommissioning retries
+ * It creates a Thread to retry offloading all RDD cache blocks
+ */
+ private class BlockManagerDecommissionManager(conf: SparkConf) {
+ @volatile private var stopped = false
+ private val sleepInterval = conf.get(
+ config.STORAGE_DECOMMISSION_REPLICATION_REATTEMPT_INTERVAL)
+
+ private val blockReplicationThread = new Thread {
+ override def run(): Unit = {
+ var failures = 0
+ while (blockManagerDecommissioning
+ && !stopped
+ && !Thread.interrupted()
Review comment:
So that block of text indicates that the interrupted status is cleared
when the exception is thrown. Which means it would be possible for the thread
to be in an interrupted status without having the exception thrown. Worst case
scenario: this check is not needed but also causes no significant harm
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