MaxGekk commented on a change in pull request #23727: [SPARK-26817][CORE] Use
System.nanoTime to measure time intervals
URL: https://github.com/apache/spark/pull/23727#discussion_r255175514
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File path: core/src/main/scala/org/apache/spark/util/Utils.scala
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@@ -1005,9 +1005,10 @@ private[spark] object Utils extends Logging {
/**
* Return the string to tell how long has passed in milliseconds.
+ * @param startTimeNs - a timestamp in nanoseconds returned by
`System.nanoTime`.
*/
- def getUsedTimeMs(startTimeMs: Long): String = {
- " " + (System.currentTimeMillis - startTimeMs) + " ms"
+ def getUsedTimeMs(startTimeNs: Long): String = {
Review comment:
Renamed it to `getUsedTimeNs`
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