append(buf, "committed", () -> mem.getHeapCommitted().getBytes()).append(',');
        append(buf, "max", () -> mem.getHeapMax().getBytes()).append(',');
        append(buf, "percent", () -> mem.getHeapUsedPercent());
        buf.append("},");
        buf.append("\"non_heap\":{");
        append(buf, "used", () -> mem.getNonHeapUsed().getBytes()).append(',');

        jvmMemoryHeapObj.committed = mem.getHeapCommitted().getBytes();
        jvmMemoryHeapObj.max = mem.getHeapMax().getBytes();
        jvmMemoryHeapObj.percent = mem.getHeapUsedPercent();
        final JvmMemoryNonHeapObj jvmMemoryNonHeapObj = new JvmMemoryNonHeapObj();
        jvmMemoryObj.nonHeap = jvmMemoryNonHeapObj;
        jvmMemoryNonHeapObj.used = mem.getNonHeapUsed().getBytes();