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https://issues.apache.org/jira/browse/TAJO-888?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyunsik Choi updated TAJO-888:
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Description:
We designed the ealier DAG framework in 2011. Since then, I have faced new
requirements for more efficient distributed query execution and more
optimization opportunities. Because the additional requirements require lots of
work, I have delayed the works.
The main purpose of this issue is to record and track the additional
requirements and new features. This is an umbrella issue. Later, we would make
an overall refactoring plan by using these well-defined requirements.
The overall goal of this refactoring is as follows:
* repeatead
was:
We designed the ealier DAG framework in 2011. Since then, I have faced new
requirements for more efficient distributed query execution and more
optimization opportunities. Because the additional requirements require lots of
work, I have delayed the works.
The main purpose of this issue is to record and track the additional
requirements and new features. This is an umbrella issue. Later, we would make
an overall refactoring plan by using these well-defined requirements.
> (Unbrella) Refactor DAG framework
> ---------------------------------
>
> Key: TAJO-888
> URL: https://issues.apache.org/jira/browse/TAJO-888
> Project: Tajo
> Issue Type: Improvement
> Reporter: Hyunsik Choi
>
> We designed the ealier DAG framework in 2011. Since then, I have faced new
> requirements for more efficient distributed query execution and more
> optimization opportunities. Because the additional requirements require lots
> of work, I have delayed the works.
> The main purpose of this issue is to record and track the additional
> requirements and new features. This is an umbrella issue. Later, we would
> make an overall refactoring plan by using these well-defined requirements.
> The overall goal of this refactoring is as follows:
> * repeatead
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