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https://issues.apache.org/jira/browse/HUDI-3582?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ethan Guo updated HUDI-3582:
----------------------------
    Fix Version/s: 0.14.0
                       (was: 0.13.0)

> Introduce Secondary Index to Improve HUDI Query Performance
> -----------------------------------------------------------
>
>                 Key: HUDI-3582
>                 URL: https://issues.apache.org/jira/browse/HUDI-3582
>             Project: Apache Hudi
>          Issue Type: New Feature
>          Components: index
>            Reporter: shibei
>            Assignee: shibei
>            Priority: Blocker
>             Fix For: 0.14.0
>
>
> In query processing, we need to scan many data blocks in HUDI table. However, 
> most of them may not match the query predicate even after using column 
> statistic info in the metadata table, row group level or page level 
> statistics in parquet files, etc.
> The total data size of touched blocks determines the query speed, and how to 
> save IO has become the key point to improving query performance. To address 
> this problem, we introduce secondary index to improve hudi query performance.
> In the initial implementation, secondary index based on lucene will be 
> carried out.



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