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Posted to commits@doris.apache.org by GitBox <gi...@apache.org> on 2022/12/29 13:34:52 UTC
[GitHub] [doris] weizhengte opened a new pull request, #15490: add histogram syntax and perstist histogram statistics
weizhengte opened a new pull request, #15490:
URL: https://github.com/apache/doris/pull/15490
# Proposed changes
Histogram statistics are more expensive to collect and we collect and persist them separately.
This PR does the following work:
1. Add histogram syntax and normalize statistics syntax
2. Add the task of collecting histogram statistics
3. Persistent histogram statistics
4. Add unit tests
Issue Number: close #xxx
## Problem summary
Describe your changes.
## Checklist(Required)
1. Does it affect the original behavior:
- [ ] Yes
- [ ] No
- [ ] I don't know
2. Has unit tests been added:
- [ ] Yes
- [ ] No
- [ ] No Need
3. Has document been added or modified:
- [ ] Yes
- [ ] No
- [ ] No Need
4. Does it need to update dependencies:
- [ ] Yes
- [ ] No
5. Are there any changes that cannot be rolled back:
- [ ] Yes (If Yes, please explain WHY)
- [ ] No
## Further comments
If this is a relatively large or complex change, kick off the discussion at [dev@doris.apache.org](mailto:dev@doris.apache.org) by explaining why you chose the solution you did and what alternatives you considered, etc...
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[GitHub] [doris] morrySnow merged pull request #15490: [enhancement](histogram) add histogram syntax and perstist histogram statistics
Posted by GitBox <gi...@apache.org>.
morrySnow merged PR #15490:
URL: https://github.com/apache/doris/pull/15490
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[GitHub] [doris] hello-stephen commented on pull request #15490: add histogram syntax and perstist histogram statistics
Posted by GitBox <gi...@apache.org>.
hello-stephen commented on PR #15490:
URL: https://github.com/apache/doris/pull/15490#issuecomment-1367375663
TeamCity pipeline, clickbench performance test result:
the sum of best hot time: 36.31 seconds
load time: 653 seconds
storage size: 17123115577 Bytes
https://doris-community-test-1308700295.cos.ap-hongkong.myqcloud.com/tmp/20221229143904_clickbench_pr_71161.html
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