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Posted to issues@impala.apache.org by "bharath v (JIRA)" <ji...@apache.org> on 2017/12/13 08:00:18 UTC

[jira] [Resolved] (IMPALA-3128) Parallelize file/block metadata loading for tables with large number of partitions

     [ https://issues.apache.org/jira/browse/IMPALA-3128?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

bharath v resolved IMPALA-3128.
-------------------------------
       Resolution: Fixed
    Fix Version/s: Impala 2.10.0

> Parallelize file/block metadata loading for tables with large number of partitions
> ----------------------------------------------------------------------------------
>
>                 Key: IMPALA-3128
>                 URL: https://issues.apache.org/jira/browse/IMPALA-3128
>             Project: IMPALA
>          Issue Type: Improvement
>          Components: Catalog
>    Affects Versions: Impala 2.2.4
>            Reporter: Dimitris Tsirogiannis
>            Assignee: bharath v
>              Labels: catalog-server, performance
>             Fix For: Impala 2.10.0
>
>
> Currently, loading file/block metadata of a table is performed by a single thread. For large tables, loading metadata may take a long time, thereby increasing the latency during planning and/or other DDL/DML operations. We should consider parallelizing this process.



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