Github user squito commented on a diff in the pull request: https://github.com/apache/spark/pull/19582#discussion_r148836744 --- Diff: core/src/main/scala/org/apache/spark/status/LiveEntity.scala --- @@ -37,8 +37,11 @@ import org.apache.spark.util.kvstore.KVStore */ private[spark] abstract class LiveEntity { + var lastWriteTime = 0L + def write(store: KVStore): Unit = { store.write(doUpdate()) + lastWriteTime = System.nanoTime() --- End diff -- you could also pass the nanoTime down into this, to avoid calling it again
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