holdenk commented on a change in pull request #28370:
URL: https://github.com/apache/spark/pull/28370#discussion_r426800099
##########
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()
+ && failures < 20) {
+ try {
+ logDebug("Attempting to replicate all cached RDD blocks")
Review comment:
Added to https://issues.apache.org/jira/browse/SPARK-31555
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