Improve memory cache utilization in BackupStore (while supporting Mark/Reset)
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Key: HADOOP-5765
URL: https://issues.apache.org/jira/browse/HADOOP-5765
Project: Hadoop Core
Issue Type: Improvement
Reporter: Jothi Padmanabhan
Assignee: Jothi Padmanabhan
HADOOP-5266 introduced support for Mark/Reset of Values Iterator by backing up
keys and values to a BackupStore. The current design does not create a memory
segment once a file segment has been created, even if space is available. The
design could be optimized to consider memory for a new segment irrespective of
where the previous segments have been created.
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