[GitHub] [hadoop] steveloughran commented on pull request #2624: MAPREDUCE-7317. Add latency information in FileOutputCommitter.mergePaths.

[GitBox <gi...@apache.org>]

steveloughran commented on pull request #2624:
URL: https://github.com/apache/hadoop/pull/2624#issuecomment-767882952


   Use DurationInfo in a try-with-resources; it will log start and end with timings @ debug
   ```java
       try (DurationInfo d = new DurationInfo(LOG,
           "Aborting commit ID %s to path %s", uploadId, destKey)) {
         writeOperations.abortMultipartCommit(destKey, uploadId);
       }
   ```


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