[LUCENE-10499] reduce unnecessary copy data overhead when grow array size

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 9.2
• Lucene Fields: New
• Assignee: Unassigned
• Reporter: jianping weng
• Created: 05/Apr/22 09:47
• Updated: 28/Aug/22 16:38
• Resolved: 26/Apr/22 13:43

Description

ArrayUtil#grow will copy origin array data to the new array after growing size in default, but in many places, the new array needn't the origin data. we should reduce the extra copy data overhead

Issue Links

• links to: GitHub Pull Request #786