[HUDI-6610] Optimize the toHexString method in StringUtils

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.14.0
• Component/s: performance
• Labels: pull-request-available
• Assignee: weiming
• Reporter: weiming
• Created: 29/Jul/23 23:16
• Updated: 31/Jul/23 03:53
• Resolved: 31/Jul/23 03:52

Description

String.format is used in the implementation of the current toHexString method. In the case of a large number of cases, the performance is low, and there will be frequent memory copies, which will lead to an increase in GC frequency and further increase in CPU utilization.

Issue Links

• links to: GitHub Pull Request #9313