[jira] [Created] (HDFS-5841) Update HDFS caching documentation with new changes

[Andrew Wang (JIRA)]

Andrew Wang created HDFS-5841:
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             Summary: Update HDFS caching documentation with new changes
                 Key: HDFS-5841
                 URL: https://issues.apache.org/jira/browse/HDFS-5841
             Project: Hadoop HDFS
          Issue Type: Improvement
    Affects Versions: 2.4.0
            Reporter: Andrew Wang
            Assignee: Andrew Wang


The caching documentation is a little out of date, since it's missing 
description of features like TTL and expiration.



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