Github user liyezhang556520 commented on a diff in the pull request:
https://github.com/apache/spark/pull/7753#discussion_r45584427
--- Diff:
core/src/main/scala/org/apache/spark/network/netty/NettyBlockTransferService.scala
---
@@ -47,6 +50,39 @@ class NettyBlockTransferService(conf: SparkConf,
securityManager: SecurityManage
private[this] var server: TransportServer = _
private[this] var clientFactory: TransportClientFactory = _
private[this] var appId: String = _
+ private[this] var clock: Clock = new SystemClock()
+
+ /**
+ * Use a different clock for this allocation manager. This is mainly
used for testing.
+ */
+ def setClock(newClock: Clock): Unit = {
+ clock = newClock
+ }
+
+ override def getMemMetrics(executorMetrics: ExecutorMetrics): Unit = {
--- End diff --
the super class is `private[spark]`, do we still need to specify here?
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