yiguolei opened a new pull request, #11813:
URL: https://github.com/apache/doris/pull/11813
In row mode schema change, it will fail sometime because memory exceeded.
When the left memory is enough for sorting but not enough for next block,
it will not flush row_block_arr which data in memory and continue to alloc
next block
so it can't alloc the memory and return directly.
And if it can't alloc the memory for block, it need to flush row_block_arr
and
try it again unless row_block_arr is empty.
# 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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