Mehakmeet Singh c665ab02ed
HADOOP-17670. S3AFS and ABFS to log IOStats at DEBUG mode or optionally at INFO level in close() (#2963)
When the S3A and ABFS filesystems are closed,
their IOStatistics are logged at debug in the log:

org.apache.hadoop.fs.statistics.IOStatisticsLogging

Set `fs.iostatistics.logging.level` to `info` for the statistics 
to be logged at info. (also: `warn` or `error` for even higher
log levels).


Contributed by: Mehakmeet Singh
2021-05-24 13:02:11 +01:00
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