lei w created HDFS-16081:
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Summary: List a large directory, the client waits for a long time
Key: HDFS-16081
URL: https://issues.apache.org/jira/browse/HDFS-16081
Project: Hadoop HDFS
Issue Type: Improvement
Components: hdfs-client
Reporter: lei w
When we list a large directory, we need to wait a lot of time. This is because
the NameNode only returns the number of files corresponding to dfs.ls.limit
each time, and then the client iteratively obtains the remaining files. But in
many scenarios, we only need to know part of the files in the current
directory, and then process this part of the file. After processing, go to get
the remaining files. So can we add a limit on the number of ls files and return
it to the client after obtaining the specified number of files ？
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