Chao Sun created HDFS-15601:
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Summary: Batch listing: gracefully fallback to use non-batched
listing when NameNode doesn't support the feature
Key: HDFS-15601
URL: https://issues.apache.org/jira/browse/HDFS-15601
Project: Hadoop HDFS
Issue Type: Sub-task
Components: hdfs
Reporter: Chao Sun
HDFS-13616 requires both server and client side change. However, it is common
that users use a newer client to talk to older HDFS (say 2.10). Currently the
client will simply fail in this scenario. A better approach, perhaps, is to
have client fallback to use non-batched listing on the input directories.
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