Charlie Helin created HDFS-9110:
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Summary: Improve upon HDFS-8480
Key: HDFS-9110
URL: https://issues.apache.org/jira/browse/HDFS-9110
Project: Hadoop HDFS
Issue Type: Improvement
Affects Versions: 2.7.0
Reporter: Charlie Helin
Priority: Minor
Fix For: 2.6.1, 2.7.0
This is a request to do some cosmetic improvements on top of HDFS-8480. There a
couple of File -> java.nio.file.Path conversions which is a little bit
distracting.
The second aspect is more around efficiency, to be perfectly honest I'm not
sure what the number of files that may be processed. However as HDFS-8480
eludes to it appears that this number could be significantly large.
The current implementation is basically a collect and process where all files
first is being examined; put into a collection and after that processed.
HDFS-8480 could simply be further enhanced by employing a single iteration
without creating an intermediary collection of filenames by using a FileWalker
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