20eec95867
Contributed by Steve Loughran. This strips out all the -p preservation options which have already been processed when uploading a file before deciding whether or not to query the far end for the status of the (existing/uploaded) file to see if any other attributes need changing. This will avoid 404 caching-related issues in S3, wherein a newly created file can have a 404 entry in the S3 load balancer's cache from the probes for the file's existence prior to the upload. It partially addresses a regression caused by HADOOP-8143, "Change distcp to have -pb on by default" that causes a resurfacing of HADOOP-13145, "In DistCp, prevent unnecessary getFileStatus call when not preserving metadata" |
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