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HADOOP-17932. Distcp file length comparison have no effect (#3519) 

Signed-off-by: Akira Ajisaka <aajisaka@apache.org>
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adol001 2021-10-18 18:07:53 +08:00 committed by GitHub
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commit 280ae1c0a9
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hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/mapred/RetriableFileCopyCommand.java
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@ -154,7 +154,7 @@ public class RetriableFileCopyCommand extends RetriableCommand {
if (!source.isSplit()) {
DistCpUtils.compareFileLengthsAndChecksums(source.getLen(), sourceFS,
sourcePath, sourceChecksum, targetFS,
targetPath, skipCrc, source.getLen());
targetPath, skipCrc, offset + bytesRead);
}
// it's not append or direct write (preferred for s3a) case, thus we first
// write to a temporary file, then rename it to the target path.