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Posted to notifications@asterixdb.apache.org by "Chen Luo (JIRA)" <ji...@apache.org> on 2017/10/28 21:30:01 UTC

[jira] [Assigned] (ASTERIXDB-2149) Improve NormalizedKey on Sorting

     [ https://issues.apache.org/jira/browse/ASTERIXDB-2149?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chen Luo reassigned ASTERIXDB-2149:
-----------------------------------

    Assignee: Chen Luo

> Improve NormalizedKey on Sorting
> --------------------------------
>
>                 Key: ASTERIXDB-2149
>                 URL: https://issues.apache.org/jira/browse/ASTERIXDB-2149
>             Project: Apache AsterixDB
>          Issue Type: Improvement
>            Reporter: Chen Luo
>            Assignee: Chen Luo
>
> Normalized keys are used to improve sorting performance by avoiding random memory accesses. However, currently it has several limitations:
> # Normalized key computer is missing for some types, e.g., UUID
> # It only helps with unequal keys. When two keys are equal, it still requires random accesses to do comparison.



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