https://kevinwang930.github.io/tags/heap/Recent content in Heap on Kevin wang's blogHugoen-USSun, 18 Oct 2026 10:00:00 +0200https://kevinwang930.github.io/post/java/jvm/gc/inspect/Sun, 18 Oct 2026 10:00:00 +0200https://kevinwang930.github.io/post/java/jvm/gc/inspect/<p>Inspecting a running JVM heap means attaching to the live process and reading the Java objects it holds. Four JDK tools do that: <code>jcmd</code>, <code>jmap</code>, <code>jstat</code>, and <code>jhsdb jmap --pid</code>.</p>