[SPARK-39872] HeapByteBuffer#get(int) is a hotspot path when using BytePackerForLong#unpack8Values with ByteBuffer input API

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.4.0
• Fix Version/s: 3.4.0
• Component/s: SQL
• Assignee: Yang Jie
• Reporter: Yang Jie
• Created: 26/Jul/22 12:03
• Updated: 12/Aug/22 04:26
• Resolved: 04/Aug/22 16:30

Description

HeapByteBuffer#get(int) is a hotspot path when scan Int or Long data from Parquet DataPage V2 as follows:

 

 

 

Issue Links

• is related to: SPARK-40052 Handle direct byte buffers in VectorizedDeltaBinaryPackedReader
• links to: [Github] Pull Request #37293 (LuciferYang)
• links to: [Github] Pull Request #37293 (LuciferYang)