Examples with MemoryMXBean java.lang.management.MemoryMXBean used on opensource projects

Example 41 with MemoryMXBean

use of java.lang.management.MemoryMXBean in project HongsCORE by ihongs.

the class InfoAction method search.

@Action("search")
public void search(ActionHelper helper) throws HongsException {
    Map rsp = new HashMap();
    Map req = helper.getRequestData();
    long now = System.currentTimeMillis();
    Set rb = Synt.toTerms(req.get("rb"));
    // 当前时间
    rsp.put("now_msec", now);
    // 应用信息
    if (rb == null || rb.contains("app_info")) {
        Map app = new HashMap();
        rsp.put("app_info", app);
        long tim = Core.STARTS_TIME;
        app.put("server_id", Core.SERVER_ID);
        app.put("base_href", Core.BASE_HREF);
        app.put("base_path", Core.BASE_PATH);
        app.put("open_time", tim);
        app.put("live_time", Tool.humanTime(now - tim));
    }
    // 系统信息
    if (rb == null || rb.contains("sys_info")) {
        Map inf = new HashMap();
        rsp.put("sys_info", inf);
        Properties pps = System.getProperties();
        inf.put("name", pps.getProperty("os.name"));
        inf.put("arch", pps.getProperty("os.arch"));
        inf.put("vers", pps.getProperty("os.version"));
        inf.put("user", pps.getProperty("user.name"));
        inf.put("java", pps.getProperty("java.version"));
        try {
            InetAddress hst = InetAddress.getLocalHost();
            inf.put("addr", hst.getHostAddress());
            inf.put("host", hst.getHostName());
        } catch (UnknownHostException e) {
        // Nothing todo.
        }
    }
    // 运行信息
    if (rb == null || rb.contains("run_info")) {
        OperatingSystemMXBean os = ManagementFactory.getOperatingSystemMXBean();
        MemoryMXBean mm = ManagementFactory.getMemoryMXBean();
        MemoryUsage nm = mm.getNonHeapMemoryUsage();
        MemoryUsage hm = mm.getHeapMemoryUsage();
        Runtime rt = Runtime.getRuntime();
        double avg = os.getSystemLoadAverage();
        long siz = rt.totalMemory();
        long fre = rt.freeMemory();
        long max = rt.maxMemory();
        long stk = nm.getUsed();
        long use = hm.getUsed();
        Map inf = new HashMap();
        rsp.put("run_info", inf);
        inf.put("load", new Object[] { avg, String.valueOf(avg), "负载" });
        inf.put("size", new Object[] { siz, Tool.humanSize(max), "全部" });
        inf.put("free", new Object[] { fre, Tool.humanSize(fre), "空闲" });
        inf.put("dist", new Object[] { max, Tool.humanSize(fre), "可用" });
        inf.put("used", new Object[] { use, Tool.humanSize(use), "已用" });
        inf.put("uses", new Object[] { stk, Tool.humanSize(stk), "非堆" });
    }
    // 磁盘情况
    if (rb == null || rb.contains("dir_info")) {
        rsp.put("base_dir", getAllSize(new File(Core.BASE_PATH)));
        rsp.put("data_dir", getAllSize(new File(Core.DATA_PATH)));
        rsp.put("conf_dir", getAllSize(new File(Core.CONF_PATH)));
        rsp.put("core_dir", getAllSize(new File(Core.CORE_PATH)));
    }
    /**
     * 公共核心情况和锁情况
     */
    if (rb != null && rb.contains("core_info")) {
        rsp.put("core_set", Core.GLOBAL_CORE.keySet());
    }
    if (rb != null && rb.contains("lock_info")) {
        rsp.put("lock_map", app.hongs.util.Block.counts());
    }
    helper.reply("", rsp);
}

Example 42 with MemoryMXBean

use of java.lang.management.MemoryMXBean in project Lucee by lucee.

the class MemoryControler method init.

public static synchronized void init(ConfigServer cs) {
    if (init)
        return;
    // set level
    for (MemoryPoolMXBean pool : ManagementFactory.getMemoryPoolMXBeans()) {
        types.put(pool.getName(), pool.getType());
        // we should rather check for the pool name "Tenured Gen"?
        if (pool.getType() == MemoryType.HEAP && pool.isUsageThresholdSupported()) {
            long maxMemory = pool.getUsage().getMax();
            long warningThreshold = (long) (maxMemory * 0.9);
            // long warningThreshold = maxMemory -(10*1024*1024);
            pool.setUsageThreshold(warningThreshold);
        }
    }
    MemoryMXBean mbean = ManagementFactory.getMemoryMXBean();
    NotificationEmitter emitter = (NotificationEmitter) mbean;
    MemoryNotificationListener listener = new MemoryNotificationListener(types);
    emitter.addNotificationListener(listener, null, cs);
    init = true;
}