[HBASE-22905] Avoid temp ByteBuffer allocation in BlockingRpcConnection#writeRequest

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.0.0-alpha-1, 2.3.0, 2.2.1, 2.1.7
• Assignee: chenxu
• Reporter: chenxu
• Created: 23/Aug/19 11:31
• Updated: 03/Sep/19 04:02
• Resolved: 03/Sep/19 04:02

Description

Currently BlockingRpcConnection use ByteBufferOutputStream to serialize CellBlock which involve temp ByteBuffer allocation, we can replace it with netty’s ByteBufOutputStream, just like what NettyRpcDuplexHandler#writeRequest doing

Issue Links

• links to: GitHub Pull Request #538