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https://issues.apache.org/jira/browse/IMPALA-14596?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Quanlong Huang updated IMPALA-14596:
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Attachment: Impala HBO Design.pdf
> History Based Optimizer
> -----------------------
>
> Key: IMPALA-14596
> URL: https://issues.apache.org/jira/browse/IMPALA-14596
> Project: IMPALA
> Issue Type: Epic
> Components: Backend, Frontend
> Reporter: Quanlong Huang
> Assignee: Quanlong Huang
> Priority: Critical
> Attachments: Impala HBO Design.pdf
>
>
> Impala has detailed query profiles which help users to fine-tune the queries
> (using query options or query hints). These infomation can actually be used
> by Impala itself in planning new queries, e.g. fixing wrong estimation, bad
> join order, useless runtime filters, etc.
> This Epic tracks the work of adding History Based Optimizer for Impala.
> Initial design doc:
> https://docs.google.com/document/d/1kDjJTGxiKafh6HgxVAY6m06KCtaVW1O7pJ1aQc0xOGQ/edit?usp=sharing
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