Details
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Improvement
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Status: Closed
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Minor
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Resolution: Implemented
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None
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None
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Description
HBase can benefit from doing dropbehind during compaction since compacted files are not read again. HDFS advisory caching, introduced in HDFS-4817, can help here. The right API here is DataInputStream#setDropBehind.
Attachments
Issue Links
- is related to
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HDFS-4817 make HDFS advisory caching configurable on a per-file basis
- Closed
- relates to
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HBASE-14098 Allow dropping caches behind compactions
- Closed