Cognitive Technology Team
Feb 16, 2025 · Operations
Resolving High Memory Utilization after Upgrading to JDK 11 with G1GC: Causes, Analysis, and Tuning Guide
After upgrading to JDK 11 and switching to G1GC, the author observed memory usage exceeding 90% due to G1 Old GC not reclaiming space, and provides a detailed analysis of the issue, including heap inspection, GC mechanisms, and practical tuning solutions such as adjusting heap size and G1GC parameters.
G1GCGC tuningJDK11
0 likes · 33 min read