[HDDS-2271] Avoid buffer copying in KeyValueHandler

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.5.0
• Labels: pull-request-available
• Assignee: Tsz-wo Sze
• Reporter: Tsz-wo Sze
• Created: 09/Oct/19 06:05
• Updated: 24/Feb/20 20:55
• Resolved: 17/Oct/19 04:05

Description

• In handleGetSmallFile, it first reads chunk data to a byte[] and the copy them to a ByteString.
• In handlePutBlock/handleGetBlock, in order to get the length, it (1) builds a ContainerProtos.BlockData and then copies it to a byte[].

Issue Links

• relates to: HDDS-2233 Remove ByteStringHelper and refactor the code to the place where it used
• links to: GitHub Pull Request #44
• links to: GitHub Pull Request #1625