[Improve] add check for doris.batch.size

[JNSimba]

Proposed changes

Issue Number: close #xxx

Problem Summary:

Increase the limit of doris.batch.size and change the default value, reference https://github.com/apache/doris/pull/35941/files

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/No)

Further comments

If this is a relatively large or complex change, kick off the discussion at [email protected] by explaining why you chose the solution you did and what alternatives you considered, etc...