ThinkerQAQ

调优

Java · 6 notes

  1. Java Production Issue Troubleshootinghistorical

    Troubleshooting memory saturation, CPU/thread problems, deadlocks, JVM tuning, and related references.

  2. 7.6 Tuning Approachhistorical

    Goals of tuning, overall production steps, JMeter load-test tuning, and CMS tuning flow.

  3. 7.19 OOM Exampleshistorical

    Why OOM occurs and examples for heap, Metaspace, stack overflow, GC overhead, direct buffer memory, and native-thread exhaustion.

  4. 7.20 Performance Analysis Toolshistorical

    Built-in JDK tools such as jps, jinfo, jstack, jmap, jstat, and jhat, plus JMX, MAT, Java Mission Control, BTrace, flame graphs, YourKit, JProfiler, and GC log tools.

  5. 7.21 JVM Parameter Tuninghistorical

    Which JVM parameters to tune, JVM parameter types, how to inspect them, common options, examples, and a typical configuration.

  6. 7.22 GC Log Analysishistorical

    Parallel GC logs, tools, and references.