JD Tech
Sep 18, 2023 · Fundamentals
Full GC Root Cause Analysis and Resolution in Java Applications
This article documents a step‑by‑step investigation of a high TP99 caused by frequent Full GC in a Java service, describing the diagnostic mindset, tools used, GC trigger conditions, object promotion mechanisms, the impact of AdaptiveSizePolicy and Metaspace, and the concrete configuration and code changes that eliminated the issue.
AdaptiveSizePolicyFullGCJVM
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