Arpit Agarwal created HDFS-6918:
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Summary: Investigate eviction from RAM disk via file truncation
Key: HDFS-6918
URL: https://issues.apache.org/jira/browse/HDFS-6918
Project: Hadoop HDFS
Issue Type: Sub-task
Reporter: Arpit Agarwal
Assignee: Arpit Agarwal
We proposed evicting blocks from RAM disk by just deleting the file. Assuming
the client completes its read quickly the block will be deleted when the client
closes its handle.
[~cmccabe] suggested making eviction more reliable by truncating the file
length to 0. This task is to investigate the same.
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