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Posted to issues@hbase.apache.org by "Clara Xiong (JIRA)" <ji...@apache.org> on 2016/01/27 21:02:39 UTC
[jira] [Created] (HBASE-15181) A simple implementation of date
based tiered compaction
Clara Xiong created HBASE-15181:
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Summary: A simple implementation of date based tiered compaction
Key: HBASE-15181
URL: https://issues.apache.org/jira/browse/HBASE-15181
Project: HBase
Issue Type: New Feature
Components: Compaction
Reporter: Clara Xiong
Assignee: Clara Xiong
Fix For: 2.0.0
This is a simple implementation of date-based tiered compaction similar to Cassandra's for the following benefits:
1. Improve date-range-based scan by structuring store files in date-based tiered layout.
2. Reduce compaction overhead.
3. Improve TTL efficiency.
Perfect fit for the use cases that:
1. has mostly date-based date write and scan and a focus on the most recent data.
2. never or rarely deletes data.
Out-of-order writes are handled gracefully so the data will still get to the right store file for time-range-scan and re-compacton with existing store file in the same time window is handled by ExploringCompactionPolicy.
Time range overlapping among store files is tolerated and the performance impact is minimized.
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