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https://issues.apache.org/jira/browse/CASSANALYTICS-36?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Francisco Guerrero updated CASSANALYTICS-36:
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Status: Ready to Commit (was: Review In Progress)
> Bulk Reader should dynamically size the Spark job based on estimated table
> size
> -------------------------------------------------------------------------------
>
> Key: CASSANALYTICS-36
> URL: https://issues.apache.org/jira/browse/CASSANALYTICS-36
> Project: Apache Cassandra Analytics
> Issue Type: New Feature
> Components: Reader
> Reporter: Doug Rohrer
> Assignee: Francisco Guerrero
> Priority: Normal
> Fix For: 1.0
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> When reading a smaller dataset, leveraging a large number of Spark cores is
> actually less efficient than using a smaller number. By using estimated table
> size provided by Cassandra (similar to the data provided by `nodetool
> tablestats`) we can do a better job of limiting resource utilization and
> decreasing job runtime.
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