Dandandan opened a new issue #406: URL: https://github.com/apache/arrow-datafusion/issues/406
**Is your feature request related to a problem or challenge? Please describe what you are trying to do.** We can reuse allocations of the indices for the partitions. **Describe the solution you'd like** Reuse allocations more across iterations **Describe alternatives you've considered** n/a **Additional context** n/a -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org
