GitHub user xubo245 opened a pull request:
https://github.com/apache/carbondata/pull/2391
[CARBONDATA-2625] Optimize the performance of CarbonReader read many files
optimize the build process, including cache.getAll, getDatamaps and create
carbonRecordReader
Be sure to do all of the following checklist to help us incorporate
your contribution quickly and easily:
- [ ] Any interfaces changed?
Yes, add new one for optimizing performance
- [ ] Any backward compatibility impacted?
NA
- [ ] Document update required?
NO
- [ ] Testing done
add example for it
- [ ] For large changes, please consider breaking it into sub-tasks under
an umbrella JIRA.
NO
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/xubo245/carbondata
CARBONDATA-2625-SDKReaderFiled
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/carbondata/pull/2391.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #2391
----
commit 6b489a7ad1f1a2c73d7b990e831230da04180a7c
Author: xubo245 <601450868@...>
Date: 2018-06-21T04:25:27Z
[CARBONDATA-2625] Optimize the performance of CarbonReader read many files
optimize the build process, including cache.getAll, getDatamaps and create
carbonRecordReader
----
---
