DFSClient.getFileChecksum(..) computes file md5 with extra padding
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Key: HDFS-772
URL: https://issues.apache.org/jira/browse/HDFS-772
Project: Hadoop HDFS
Issue Type: Bug
Components: hdfs client
Reporter: Tsz Wo (Nicholas), SZE
{code}
//DFSClient.getFileChecksum(..)
final MD5Hash fileMD5 = MD5Hash.digest(md5out.getData());
{code}
The fileMD5 is computed with the entire byte array returning by
md5out.getData(). However, data are valid only up to md5out.getLength().
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