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https://issues.apache.org/jira/browse/LENS-356?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14365003#comment-14365003
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Jaideep Dhok commented on LENS-356:
-----------------------------------
Review request - https://reviews.apache.org/r/32157/
> Run estimate for each driver in parallel
> -----------------------------------------
>
> Key: LENS-356
> URL: https://issues.apache.org/jira/browse/LENS-356
> Project: Apache Lens
> Issue Type: Sub-task
> Components: server
> Reporter: Amareshwari Sriramadasu
> Assignee: Jaideep Dhok
> Fix For: 2.1
>
>
> We are estimating the cost of query on each driver sequentially. Since each
> estimate is independent those can be parallelized.
> For each driver rewrite the query, call driver.estimate - need to parallelize
> this for all drivers.
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