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HDFS command used is hardcoded and not compatible with newer versions
See original GitHub issuehdfs fs -<command> is deprecated, however this command is hardcoded here: https://github.com/iterative/dvc/blob/832b834b65ec2665ece0e8d1cf756f8ed460441b/dvc/remote/hdfs.py#L37
I am running hadoop 2.7 on which hdfs fs is not supported. This stops me from being able to deploy a dvc pipeline, unless i work around it by mapping every hdfs fs to hdfs dfs command.
DVC: 0.50.1 Installation: apt-get Platform: NAME=“Ubuntu” VERSION=“18.04.2 LTS (Bionic Beaver)” ID=ubuntu ID_LIKE=debian PRETTY_NAME=“Ubuntu 18.04.2 LTS” VERSION_ID=“18.04” HOME_URL=“https://www.ubuntu.com/” SUPPORT_URL=“https://help.ubuntu.com/” BUG_REPORT_URL=“https://bugs.launchpad.net/ubuntu/” PRIVACY_POLICY_URL=“https://www.ubuntu.com/legal/terms-and-policies/privacy-policy” VERSION_CODENAME=bionic UBUNTU_CODENAME=bionic Hadoop version: 2.7.0
I was able to fix the issue by reverting my hadoop installation to v. 1.2.1.
But this is really annoying for users that use an hadoop version that does not support hadoop fs.
Issue Analytics
- State:
- Created 4 years ago
- Comments:6 (3 by maintainers)
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it doesn’t show a deprecation warning and i believe hadoop fs is available in hadoop 1.x while hdfs dfs is not. therefore i would advise, we keep the command as it is
For the record: related to https://github.com/iterative/dvc/issues/1629 , but it is much easier to adjust the command for now than re-implement HDFS driver with webhdfs.