[ARROW-6030] [Java] Efficiently compute hash code for ArrowBufPointer

• Type: New Feature
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.15.0
• Component/s: Java
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/22435
• Assignee: Liya Fan
• Reporter: Liya Fan
• Created: 25/Jul/19 01:53
• Updated: 11/Jan/23 07:44
• Resolved: 05/Aug/19 06:31

Description

As ArrowBufHasher is introduced, we can compute the hash code of a continuous region within an ArrowBuf. 

We optimize the process to make it efficient to avoid recomputation. 

Issue Links

• links to: GitHub Pull Request #4939