shenjiayu17 opened a new pull request, #4288:
URL: https://github.com/apache/carbondata/pull/4288
Why is this PR needed?
When delete multiple segments, carbondata tries to judge if partition
directory is empty and delete it on each segments, but partiton path may be the
same between two segments. So there is repetitive action.
What changes were proposed in this PR?
Collect a set of partition directories that are from segments to be deleted,
judge empty and delete after all segments deleted.
Does this PR introduce any user interface change?
No
Is any new testcase added?
No
### Why is this PR needed?
### What changes were proposed in this PR?
### Does this PR introduce any user interface change?
- No
- Yes. (please explain the change and update document)
### Is any new testcase added?
- No
- Yes
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