advancedxy commented on a change in pull request #26058: [SPARK-10614][core]
Add monotonic time to Clock interface.
URL: https://github.com/apache/spark/pull/26058#discussion_r332817520
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File path: core/src/main/scala/org/apache/spark/util/Clock.scala
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@@ -21,7 +21,14 @@ package org.apache.spark.util
* An interface to represent clocks, so that they can be mocked out in unit
tests.
*/
private[spark] trait Clock {
+ /** @return Current system time, in ms. */
def getTimeMillis(): Long
+ /** @return Current value of monotonic time source, in ns. */
+ def nanoTime(): Long
+ /**
Review comment:
Nit: add blank line between methods?
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