Jiajia Li created HADOOP-17157:
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Summary: S3A rename operation not the same with HDFS
Key: HADOOP-17157
URL: https://issues.apache.org/jira/browse/HADOOP-17157
Project: Hadoop Common
Issue Type: Bug
Components: fs/s3
Reporter: Jiajia Li
When I run the test ITestS3ADeleteManyFiles, I change the
[https://github.com/apache/hadoop/blob/trunk/hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/scale/ITestS3ADeleteManyFiles.java#L97]
to
{code}
fs.mkdirs(finalDir);
{code}
So before rename operator, "finalParent/final" has been created.
But after the rename operation, all the files will be moved from
"srcParent/src" to "finalParent/final"
So this is not the same with the HDFS rename operation:
HDFS rename includes the calculation of the destination path. If the
destination exists and is a directory, the final destination of the rename
becomes the destination + the filename of the source path.
let dest = if (isDir(FS, src) and d != src) :
d + [filename(src)]
else :
d
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