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Posted to issues@hbase.apache.org by "Liyin Tang (JIRA)" <ji...@apache.org> on 2012/12/21 06:13:22 UTC

[jira] [Created] (HBASE-7416) [89-fb] Tier compaction with fixed boundary option

Liyin Tang created HBASE-7416:
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             Summary:  [89-fb] Tier compaction with fixed boundary option
                 Key: HBASE-7416
                 URL: https://issues.apache.org/jira/browse/HBASE-7416
             Project: HBase
          Issue Type: New Feature
            Reporter: Liyin Tang
            Assignee: Chen Jin


Currently, in tier compaction the aged-based algorithm considers HFile's age in disk relative to the current time, thus the tiers are actually shifting along the time. In order to best use our prior information about how applications consume the data, it needs another feature to perceive the tiers relative to a fixed time point.

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