[Java] Avoid superfluous string creation when logging level is disabled

[asfimport]

There are a few places where strings were unnecessarily created for logging purpose.

arrow/java/vector/src/main/java/org/apache/arrow/vector/ipc/message/ArrowRecordBatch.java

Line 75 in ed70f05

LOGGER.debug(String.format("Buffer in RecordBatch at %d, length: %d", offset, size));

For the above scenario in ArrowRecordBatch, roughly 2/3 of the total CPU was spent in string.format()

Reporter: Zhenyuan Zhao / @zzhao0
Assignee: Zhenyuan Zhao / @zzhao0

PRs and other links:

• GitHub Pull Request #2894

_{Note: This issue was originally created as ARROW-3694. Please see the migration documentation for further details.}

[asfimport]

Uwe Korn / @xhochy:
Issue resolved by pull request 2894
#2894