GitHub user jackylk opened a pull request:
https://github.com/apache/carbondata/pull/1514
[CARBONDATA-1746] Count star optimization
Since carbon records number of row in metadata, count star query can
leverage it to improve performance.
- [X] Any interfaces changed?
No
- [X] Any backward compatibility impacted?
No
- [X] Document update required?
No
- [X] Testing done
No testcase added
- [X] For large changes, please consider breaking it into sub-tasks under
an umbrella JIRA.
MR38
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/jackylk/incubator-carbondata count_star
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/carbondata/pull/1514.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 #1514
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commit 09ff30688fe84c199fb86b92b9547c859e05a75c
Author: Jacky Li <[email protected]>
Date: 2017-11-16T09:27:21Z
add s3 in filefactory
commit 8d31b0974071bb7cd8ad72aa58990b9f2621b8a1
Author: Jacky Li <[email protected]>
Date: 2017-11-16T11:41:19Z
remove unnecessary path
commit 5a7008e0691daff9bad3c8bf707d0592500a1f24
Author: Jacky Li <[email protected]>
Date: 2017-11-16T12:56:55Z
clean CarbonEnv
commit aeee0e5f7df61f1add1dca30be0722aab0a8d2dd
Author: Jacky Li <[email protected]>
Date: 2017-11-16T13:23:22Z
remove AKSK in log
commit fc3cf73e7d13212faa9ca4502d09c637c57ff970
Author: Jacky Li <[email protected]>
Date: 2017-11-16T13:57:54Z
change default metastore path
commit 7a4c77526b97b6cc5e9bd286dd3701f4d1ba86c5
Author: Jacky Li <[email protected]>
Date: 2017-11-16T14:57:07Z
fix testcase
commit 90b1841200c1086a2567e54787750b970208ed13
Author: Jacky Li <[email protected]>
Date: 2017-11-16T14:53:02Z
add count star optimization
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