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Posted to issues@hbase.apache.org by "Liyin Tang (JIRA)" <ji...@apache.org> on 2012/12/21 06:13:23 UTC

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

     [ https://issues.apache.org/jira/browse/HBASE-7416?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Liyin Tang updated HBASE-7416:
------------------------------

    Assignee:     (was: Chen Jin)
    
>  [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
>
> 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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