Github user ericl commented on a diff in the pull request: https://github.com/apache/spark/pull/13035#discussion_r62782483 --- Diff: core/src/main/java/org/apache/spark/util/collection/unsafe/sort/UnsafeExternalSorter.java --- @@ -248,6 +249,18 @@ public long getPeakMemoryUsedBytes() { } /** + * @return the total amount of time spent sorting data (in-memory only). + */ + public long getSortTimeNanos() { + long totalTime = totalSortTimeNanos; + UnsafeInMemorySorter sorter = inMemSorter; + if (sorter != null) { --- End diff -- Done
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