[branch_1.1](compaction) add some log and fix promotion size bug

[yixiutt]

Proposed changes

cumulative_compaction_policy is global so it's member promotion size is shared by every tablet, this would make tablet
cumu promotion size incorrect

need pick to master.

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 by explaining why you chose the solution you did and what alternatives you considered, etc...

[dataroaring]

LGTM