Arpit Agarwal created HDFS-6930:
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Summary: Improve replica eviction from RAM disk
Key: HDFS-6930
URL: https://issues.apache.org/jira/browse/HDFS-6930
Project: Hadoop HDFS
Issue Type: Sub-task
Affects Versions: HDFS-6581
Reporter: Arpit Agarwal
The current replica eviction scheme is inefficient since it performs multiple
file operations in the context of block allocation.
A better implementation would be asynchronous eviction when free space on RAM
disk falls below a low watermark to make block allocation faster.
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