GitHub user ravipesala opened a pull request:
https://github.com/apache/carbondata/pull/2740 [HOTFIX] Fix partition filter slow issue
Problem: In `FileSourceScanExec` it lists all the files of partitions from `CatalogFileIndex` , it causes another job creation to list files per each query.
Solution: Make the `CatalogFileIndex` as we don't want any list files. so make the CatalogFileIndex as dummy.
Be sure to do all of the following checklist to help us incorporate
your contribution quickly and easily:
- [ ] Any interfaces changed?
- [ ] Any backward compatibility impacted?
- [ ] Document update required?
- [ ] Testing done
Please provide details on
- Whether new unit test cases have been added or why no new tests are required?
- How it is tested? Please attach test report.
- Is it a performance related change? Please attach the performance test report.
- Any additional information to help reviewers in testing this change.
- [ ] For large changes, please consider breaking it into sub-tasks under an umbrella JIRA.
You can merge this pull request into a Git repository by running:
$ git pull
https://github.com/ravipesala/incubator-carbondata partition-slow-issue
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/carbondata/pull/2740.patchTo close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #2740
----
commit 04e2fa110d0f583dd564b40bf60dc8626e3a8361
Author: ravipesala <ravi.pesala@...>
Date: 2018-09-20T15:51:47Z
Fix partition filter slow issue
----
---