yixiutt opened a new pull request, #12214:
URL: https://github.com/apache/doris/pull/12214
In VCollectIterator&VGenericIterator, use insert_range_from to copy rows
in a block which is continuous to save cpu cost.
If rows in rowset and segment are non overlapping, this whill improve 30%
throughput of compaction.If rows are completely overlapping such as load two
same files, the throughput goes nearly same as before.
# Proposed changes
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
[d...@doris.apache.org](mailto:d...@doris.apache.org) by explaining why you
chose the solution you did and what alternatives you considered, etc...
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