[FLINK-34148] Potential regression (Jan. 13): stringWrite with Java8

• Type: Improvement
• Status: Closed
• Priority: Blocker
• Resolution: Resolved
• Fix Version/s: 1.19.0
• Component/s: API / Type Serialization System
• Assignee: Sergey Nuyanzin
• Reporter: Zakelly Lan
• Created: 18/Jan/24 10:58
• Updated: 21/Feb/24 18:41
• Resolved: 04/Feb/24 15:17

Description

Significant drop of performance in stringWrite with Java8 from commit 881062f352 to 5d9d8748b6 . It only involves strings not so long (128 or 4).

stringWrite.128.ascii(Java8) baseline=1089.107756 current_value=754.52452
stringWrite.128.chinese(Java8) baseline=504.244575 current_value=295.358989
stringWrite.128.russian(Java8) baseline=655.582639 current_value=421.030188
stringWrite.4.chinese(Java8) baseline=9598.791964 current_value=6627.929927
stringWrite.4.russian(Java8) baseline=11070.666415 current_value=8289.95767

Issue Links

• is blocked by: FLINK-34234 Bumping version of flatten plugin
• is related to: FLINK-28016 Support Maven 3.3+
• links to: GitHub Pull Request #24227 (manually added)