[HDDS-7228] ChecksumByteBufferImpl.update() is expensive

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.3.0
• Fix Version/s: 1.4.0
• Component/s: Ozone Client
• Labels: ozone-performance pull-request-available
• Assignee: Wei-Chiu Chuang
• Reporter: Wei-Chiu Chuang
• Created: 16/Sep/22 15:57
• Updated: 12/Oct/23 06:07
• Resolved: 11/Oct/23 09:05

Description

ChecksumByteBufferImpl.update() involves memory copy.
It looks like the memory copy is redundant, and checksum should be able to compute directly.

I have a hack to force it to skip the memory copy so I'll post it as a demo.

Issue Links

• links to: GitHub Pull Request #3759
• links to: GitHub Pull Request #5364