Andrew Wang created HDFS-5589:
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Summary: Namenode loops caching and uncaching when data should be
uncached
Key: HDFS-5589
URL: https://issues.apache.org/jira/browse/HDFS-5589
Project: Hadoop HDFS
Issue Type: Sub-task
Components: caching, namenode
Affects Versions: 3.0.0
Reporter: Andrew Wang
Assignee: Colin Patrick McCabe
This was reported by [~cnauroth] and [~brandonli], and [~schu] repro'd it too.
If you add a new caching directive then remove it, the Namenode will sometimes
get stuck in a loop where it sends DNA_CACHE and then DNA_UNCACHE repeatedly to
the datanodes where the data was previously cached.
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