List of usage examples for java.lang Runtime totalMemory
public native long totalMemory();
From source file:nz.govt.natlib.ndha.manualdeposit.dialogs.About.java
@SuppressWarnings("unchecked") private void startup() { try {/* w ww . j a va2 s .com*/ try { theFormControl = new FormControl(this, theSettingsPath); } catch (Exception ex) { LOG.error("Error loading form parameters", ex); } ClassLoader cLoader = Thread.currentThread().getContextClassLoader(); Toolkit kit = Toolkit.getDefaultToolkit(); Package p = this.getClass().getPackage(); lblVersion.setText(p.getImplementationVersion()); if (new File(theLogoFileName).exists()) { theLogo = kit.getImage(theLogoFileName); } else { java.net.URL imageURL = cLoader.getResource(theLogoFileName); if (imageURL != null) { theLogo = kit.getImage(imageURL); } } if (theLogo != null) { lblBuildNo.setForeground(Color.white); lblBuildNoLabel.setForeground(Color.white); //lblHeader.setForeground(Color.white); lblVersion.setForeground(Color.white); lblVersionLabel.setForeground(Color.white); paintImage(); } //String manifestFileName = "/META-INF/MANIFEST.MF"; Class cls = this.getClass(); String className = cls.getSimpleName(); String classFileName = className + ".class"; String pathToThisClass = cls.getResource(classFileName).toString(); int mark = pathToThisClass.indexOf("!"); String pathToManifest = pathToThisClass.substring(0, mark + 1); if (!pathToManifest.equals("")) { pathToManifest += "/META-INF/MANIFEST.MF"; LOG.debug("Path to manifest: " + pathToManifest); Manifest mf = new Manifest(new URL(pathToManifest).openStream()); if (mf != null) { Attributes attr = mf.getMainAttributes(); String attrVersion = "Implementation-Version"; String attrBuild = "Implementation-Build"; String version = attr.getValue(attrVersion); String build = attr.getValue(attrBuild); this.lblVersion.setText(version); this.lblBuildNo.setText(build); } } Runtime runtime = Runtime.getRuntime(); long maxMemory = runtime.maxMemory(); long allocatedMemory = runtime.totalMemory(); long freeMemory = runtime.freeMemory(); LOG.debug("free memory: " + freeMemory / 1024); LOG.debug("allocated memory: " + allocatedMemory / 1024); LOG.debug("max memory: " + maxMemory / 1024); LOG.debug("total free memory: " + (freeMemory + (maxMemory - allocatedMemory)) / 1024); } catch (IOException ex) { ex.printStackTrace(); LOG.error(ex.getMessage(), ex); } }
From source file:org.opensextant.examples.BasicGeoTemporalProcessing.java
public void reportMemory() { Runtime R = Runtime.getRuntime(); long usedMemory = R.totalMemory() - R.freeMemory(); log.info("CURRENT MEM USAGE(K)=" + (int) (usedMemory / 1024)); }
From source file:org.loklak.api.admin.StatusService.java
@Override public JSONObject serviceImpl(Query post, HttpServletResponse response, Authorization rights, JSONObjectWithDefault permissions) throws APIException { if (post.isLocalhostAccess() && OS.canExecUnix && post.get("upgrade", "").equals("true")) { Caretaker.upgrade(); // it's a hack to add this here, this may disappear anytime }//from w w w.j a v a2s . c o m final String backend = DAO.getConfig("backend", ""); final boolean backend_push = DAO.getConfig("backend.push.enabled", false); JSONObject backend_status = null; JSONObject backend_status_index_sizes = null; if (backend.length() > 0 && !backend_push) try { backend_status = StatusService.status(backend); backend_status_index_sizes = backend_status == null ? null : (JSONObject) backend_status.get("index_sizes"); } catch (IOException e) { } long backend_messages = backend_status_index_sizes == null ? 0 : ((Number) backend_status_index_sizes.get("messages")).longValue(); long backend_users = backend_status_index_sizes == null ? 0 : ((Number) backend_status_index_sizes.get("users")).longValue(); long local_messages = DAO.countLocalMessages(); long local_users = DAO.countLocalUsers(); post.setResponse(response, "application/javascript"); // generate json Runtime runtime = Runtime.getRuntime(); JSONObject json = new JSONObject(true); JSONObject system = new JSONObject(true); system.put("assigned_memory", runtime.maxMemory()); system.put("used_memory", runtime.totalMemory() - runtime.freeMemory()); system.put("available_memory", runtime.maxMemory() - runtime.totalMemory() + runtime.freeMemory()); system.put("cores", runtime.availableProcessors()); system.put("threads", Thread.activeCount()); system.put("runtime", System.currentTimeMillis() - Caretaker.startupTime); system.put("time_to_restart", Caretaker.upgradeTime - System.currentTimeMillis()); system.put("load_system_average", OS.getSystemLoadAverage()); system.put("load_system_cpu", OS.getSystemCpuLoad()); system.put("load_process_cpu", OS.getProcessCpuLoad()); system.put("server_threads", LoklakServer.getServerThreads()); system.put("server_uri", LoklakServer.getServerURI()); JSONObject index = new JSONObject(true); long countLocalMinMessages = DAO.countLocalMessages(60000L); long countLocal10MMessages = DAO.countLocalMessages(600000L); long countLocalHourMessages = DAO.countLocalMessages(3600000L); long countLocalDayMessages = DAO.countLocalMessages(86400000L); long countLocalWeekMessages = DAO.countLocalMessages(604800000L); float mps1m = countLocalMinMessages / 60f; float mps10m = countLocal10MMessages / 600f; float mps1h = countLocalHourMessages / 3600f; float mps1d = countLocalDayMessages / 86400f; float mps1w = countLocalWeekMessages / 604800f; index.put("mps1m", mps1m); index.put("mps10m", mps10m); index.put("mps1h", mps1h); index.put("mps1d", mps1d); index.put("mps1w", mps1w); index.put("mps", (int) Math.max(mps1d, Math.max(mps1h, Math.max(mps10m, mps1m)))); // best of 1d, 1h and 10m JSONObject messages = new JSONObject(true); messages.put("size", local_messages + backend_messages); messages.put("size_local", local_messages); messages.put("size_local_minute", countLocalMinMessages); messages.put("size_local_10minutes", countLocal10MMessages); messages.put("size_local_hour", countLocalHourMessages); messages.put("size_local_day", countLocalDayMessages); messages.put("size_local_week", countLocalWeekMessages); messages.put("size_backend", backend_messages); messages.put("stats", DAO.messages.getStats()); JSONObject queue = new JSONObject(true); queue.put("size", QueuedIndexing.getMessageQueueSize()); queue.put("maxSize", QueuedIndexing.getMessageQueueMaxSize()); queue.put("clients", QueuedIndexing.getMessageQueueClients()); messages.put("queue", queue); JSONObject users = new JSONObject(true); users.put("size", local_users + backend_users); users.put("size_local", local_users); users.put("size_backend", backend_users); users.put("stats", DAO.users.getStats()); JSONObject queries = new JSONObject(true); queries.put("size", DAO.countLocalQueries()); queries.put("stats", DAO.queries.getStats()); JSONObject accounts = new JSONObject(true); accounts.put("size", DAO.countLocalAccounts()); JSONObject user = new JSONObject(true); user.put("size", DAO.user_dump.size()); JSONObject followers = new JSONObject(true); followers.put("size", DAO.followers_dump.size()); JSONObject following = new JSONObject(true); following.put("size", DAO.following_dump.size()); index.put("messages", messages); index.put("users", users); index.put("queries", queries); index.put("accounts", accounts); index.put("user", user); index.put("followers", followers); index.put("following", following); if (DAO.getConfig("retrieval.queries.enabled", false)) { List<QueryEntry> queryList = DAO.SearchLocalQueries("", 1000, "retrieval_next", "date", SortOrder.ASC, null, new Date(), "retrieval_next"); index.put("queries_pending", queryList.size()); } JSONObject client_info = new JSONObject(true); client_info.put("RemoteHost", post.getClientHost()); client_info.put("IsLocalhost", post.isLocalhostAccess() ? "true" : "false"); JSONObject request_header = new JSONObject(true); Enumeration<String> he = post.getRequest().getHeaderNames(); while (he.hasMoreElements()) { String h = he.nextElement(); request_header.put(h, post.getRequest().getHeader(h)); } client_info.put("request_header", request_header); json.put("system", system); json.put("index", index); json.put("client_info", client_info); return json; }
From source file:weka.server.RootServlet.java
/** * Process a HTTP GET/* w w w .ja v a 2 s.c o m*/ * * @param request the request * @param response the response * * @throws ServletException * @throws IOException */ @Override protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // TODO if (!request.getRequestURI().equals(CONTEXT_PATH)) { return; } response.setContentType("text/html;charset=UTF-8"); response.setStatus(HttpServletResponse.SC_OK); PrintWriter out = response.getWriter(); try { out.println("<HTML>\n<HEAD>\n<TITLE>Weka server</TITLE>"); out.println("<META http-equiv=\"Refresh\" content=\"30;url=" + CONTEXT_PATH + "\">"); out.println("</HEAD>\n<BODY>"); out.println("<H2> Weka Server (" + m_server.getHostname() + ":" + m_server.getPort() + ")</H2>"); if (m_server.getMaster() != null) { out.println("Registered with master server: " + m_server.getMaster() + "<br>"); } out.println("Number of execution slots: " + m_server.getNumExecutionSlots() + "<br>"); out.println("Number of tasks executing: " + m_server.numRunningTasks() + "<br>"); out.println("Number of tasks queued: " + m_server.numQueuedTasks() + "<br>"); out.println("Load adjust factor: " + String.format("%.3f", m_server.getLoadAdjust()) + "<br>"); out.println("Server load ((#executing + #queued) * loadFactor / #execution_slots): " + m_server.getServerLoad() + "<p>"); System.gc(); Runtime run = Runtime.getRuntime(); long freeM = run.freeMemory(); long totalM = run.totalMemory(); long maxM = run.maxMemory(); out.println("Memory (free/total/max) in bytes: " + String.format("%,d", freeM) + " / " + String.format("%,d", totalM) + " / " + String.format("%,d", maxM) + "<p>"); if (m_server.getSlaves().size() > 0) { out.println("<H3>Slaves</H3>"); out.println("<p>"); out.println("<table border=\"1\">"); out.print("<tr><th>"); out.print("Host</th><th>Port</th><th>Status</th><th>Load</th></tr>\n"); Set<String> slaves = m_server.getSlaves(); for (String slave : slaves) { String[] parts = slave.split(":"); out.print("<tr>"); out.print("<td><a href=\"http://" + parts[0] + ":" + parts[1] + "\">" + parts[0] + "</a></td><td>" + parts[1] + "</td>"); double load = getSlaveLoad(m_server, slave); String okString = (load < 0) ? "connection error" : "OK"; out.print("<td>" + okString + "</td><td>" + load + "</td></tr>\n"); } out.print("</table><p>"); } out.println("<p>"); out.println("<H3>Tasks</H3>"); out.println("<table border=\"1\">"); out.print("<tr><th>"); out.print("Task name</th><th>ID</th><th>Server</th><th>Last execution</th><th>Next execution</th>" + "<th>Status</th><th>Purge</th></tr>\n"); List<WekaTaskMap.WekaTaskEntry> taskList = m_taskMap.getTaskList(); for (WekaTaskMap.WekaTaskEntry entry : taskList) { String name = entry.getName(); String id = entry.getID(); NamedTask task = m_taskMap.getTask(entry); TaskStatusInfo tsi = task.getTaskStatus(); // Date lastExecuted = m_taskMap.getExecutionTime(entry); Date lastExecuted = entry.getLastExecution(); Date nextExecution = null; if (task instanceof Scheduled) { nextExecution = ((Scheduled) task).getSchedule().nextExecution(lastExecuted); } out.print("<tr>"); out.print("<td><a href=\"" + GetTaskStatusServlet.CONTEXT_PATH + "?name=" + URLEncoder.encode(entry.toString(), "UTF-8") + "\">" + name + "</a></td>"); out.print("<td>" + id + "</td>"); String server = entry.getServer(); if (server.equals(m_server.getHostname() + ":" + m_server.getPort())) { server = "local"; } out.print("<td>"); if (!server.equals("local")) { out.print("<a href=\"http://" + server + "\">" + server + "</a></td>"); } else { out.print("" + server + "</td>"); } String formattedLastDate = " - "; String formattedNextDate = " - "; SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss"); if (lastExecuted != null) { formattedLastDate = sdf.format(lastExecuted); } out.print("<td>" + formattedLastDate + "</td>"); if (nextExecution != null) { formattedNextDate = sdf.format(nextExecution); } out.print("<td>" + formattedNextDate + "</td>"); out.print("<td>" + GetTaskStatusServlet.taskStatusInfoToString(tsi) + "</td>"); if (tsi.getExecutionStatus() != TaskStatusInfo.PROCESSING) { out.print("<td><a href=\"" + PurgeTaskServlet.CONTEXT_PATH + "?name=" + URLEncoder.encode(entry.toString(), "UTF-8") + "\">Remove</a></td>"); } else { out.print("<td> -- </td>"); } out.print("</tr>\n"); } out.print("</table><p>"); out.println("</BODY>\n</HTML>"); } catch (Exception ex) { ex.printStackTrace(); } finally { if (out != null) { out.flush(); out.close(); out = null; } } }
From source file:com.tesora.dve.common.PatternLayoutWithHeader.java
@Override public String getHeader() { Runtime runtime = Runtime.getRuntime(); StringBuffer header = new StringBuffer(); header.append(StringUtils.repeat("-", 80)); header.append("\nLog Started : ").append(new Date().toString()); header.append("\nBuild Info : ").append(PELogUtils.getBuildVersionString(true)); header.append("\nMemory : max=").append(String.format("%,d", runtime.maxMemory())).append(" total=") .append(String.format("%,d", runtime.totalMemory())).append(" free=") .append(String.format("%,d", runtime.freeMemory())); header.append("\nProcessors : ").append(runtime.availableProcessors()); try {//from w w w .ja va 2 s . c om header.append("\nHost : ").append(InetAddress.getLocalHost()); } catch (UnknownHostException e) { header.append("\nHost : unknown"); } header.append("\n"); return header.toString(); }
From source file:at.beris.virtualfile.shell.Shell.java
private void displayStatistics() { Runtime runtime = Runtime.getRuntime(); System.out.println("** Heap utilization statistics [KB] **"); System.out/*from ww w. ja v a2 s. co m*/ .println(String.format("Used Memory: %,d", (runtime.totalMemory() - runtime.freeMemory()) / 1024)); System.out.println(String.format("Free Memory: %,d", runtime.freeMemory() / 1024)); System.out.println(String.format("Total Memory: %,d", runtime.totalMemory() / 1024)); System.out.println(String.format("Max Memory: %,d", runtime.maxMemory() / 1024)); }
From source file:org.sentilo.samples.controller.SamplesController.java
@RequestMapping(value = { "/", "/home" })
public String runSamples(final Model model) {
// All this data must be created in the Catalog Application before start this
// sample execution. At least the application identity token id and the provider id must be
// declared in system twice
String restClientIdentityKey = samplesProperties.getProperty("rest.client.identityKey");
String providerId = samplesProperties.getProperty("rest.client.provider");
// For this example we have created a generic component with a status sensor that accepts text
// type observations, only for test purpose
String componentId = samplesProperties.getProperty("rest.client.component");
String sensorId = samplesProperties.getProperty("rest.client.sensor");
logger.info("Starting samples execution...");
String observationsValue = null;
String errorMessage = null;//from w w w. j a v a 2 s .c o m
try {
// Get some system data from runtime
Runtime runtime = Runtime.getRuntime();
NumberFormat format = NumberFormat.getInstance();
StringBuilder sb = new StringBuilder();
long maxMemory = runtime.maxMemory();
long allocatedMemory = runtime.totalMemory();
long freeMemory = runtime.freeMemory();
sb.append("free memory: " + format.format(freeMemory / 1024) + "<br/>");
sb.append("allocated memory: " + format.format(allocatedMemory / 1024) + "<br/>");
sb.append("max memory: " + format.format(maxMemory / 1024) + "<br/>");
sb.append("total free memory: " + format.format((freeMemory + (maxMemory - allocatedMemory)) / 1024)
+ "<br/>");
// In this case, we're getting CPU status in text mode
observationsValue = sb.toString();
logger.info("Observations values: " + observationsValue);
// Create the sample sensor, only if it doesn't exists in the catalog
createSensorIfNotExists(restClientIdentityKey, providerId, componentId, sensorId);
// Publish observations to the sample sensor
sendObservations(restClientIdentityKey, providerId, componentId, sensorId, observationsValue);
} catch (Exception e) {
logger.error("Error publishing sensor observations: " + e.getMessage(), e);
errorMessage = e.getMessage();
}
logger.info("Samples execution ended!");
model.addAttribute("restClientIdentityKey", restClientIdentityKey);
model.addAttribute("providerId", providerId);
model.addAttribute("componentId", componentId);
model.addAttribute("sensorId", sensorId);
model.addAttribute("observations", observationsValue);
ObjectMapper mapper = new ObjectMapper();
try {
if (errorMessage != null && errorMessage.length() > 0) {
Object json = mapper.readValue(errorMessage, Object.class);
model.addAttribute("errorMsg", mapper.writerWithDefaultPrettyPrinter().writeValueAsString(json));
} else {
model.addAttribute("successMsg", "Observations sended successfully");
}
} catch (Exception e) {
logger.error("Error parsing JSON: {}", e.getMessage(), e);
errorMessage += (errorMessage.length() > 0) ? "<br/>" : "" + e.getMessage();
model.addAttribute("errorMsg", errorMessage);
}
return VIEW_SAMPLES_RESPONSE;
}
From source file:org.apache.maven.index.cli.NexusIndexerCli.java
private void printStats(final long startTimeInMillis) { long t = System.currentTimeMillis() - startTimeInMillis; long s = t / 1000L; if (t > 60 * 1000) { long m = t / 1000L / 60L; System.err.printf("Total time: %d min %d sec\n", m, s - (m * 60)); } else {//from w w w . j ava2s . c o m System.err.printf("Total time: %d sec\n", s); } Runtime r = Runtime.getRuntime(); System.err.printf("Final memory: %dM/%dM\n", // (r.totalMemory() - r.freeMemory()) / MB, r.totalMemory() / MB); }
From source file:org.LexGrid.LexBIG.distributed.test.testUtility.PerformanceTest.java
public void printMemoryStatistics() { int mb = 1024 * 1024; //Getting the runtime reference from system Runtime runtime = Runtime.getRuntime(); System.out.println("##### Heap utilization statistics [MB] #####"); //Print used memory System.out.println("Used Memory:" + (runtime.totalMemory() - runtime.freeMemory()) / mb); //Print free memory System.out.println("Free Memory:" + runtime.freeMemory() / mb); //Print total available memory System.out.println("Total Memory:" + runtime.totalMemory() / mb); //Print Maximum available memory System.out.println("Max Memory:" + runtime.maxMemory() / mb); }
From source file:de.xwic.appkit.core.trace.impl.TraceDataManager.java
/** * Store statistic data./*from w w w . jav a 2s . c o m*/ * * @param sts * @param history */ protected void populateSystemTraceStatistic(ISystemTraceStatistic sts, long interval, List<ITraceContext> history) { Runtime rt = Runtime.getRuntime(); long used = (rt.totalMemory() - rt.freeMemory()) >> 20; //show memory in MB sts.setMemoryUsed(used); sts.setHost(hostName); sts.setInstanceId(instanceId); if (!history.isEmpty()) { long max = System.currentTimeMillis() - (interval + 10); // make an "overlap of 10ms" long hisStart = history.get(0).getStartTime(); long from = hisStart < max ? max : hisStart; long to = history.get(history.size() - 1).getStartTime(); sts.setFromDate(new Date(from)); if (to >= from) { sts.setToDate(new Date(to)); } else { sts.setToDate(null); } int count = 0; long total = 0; int daoOps = 0; long daoDuration = 0; List<TraceStats> traceStats = new ArrayList<ISystemTraceStatistic.TraceStats>(); for (String catName : systemTraceLogCategories) { TraceStats ts = new TraceStats(); ts.setName(catName); traceStats.add(ts); } LinkedHashMap<Integer, TraceStats> traceIntervals = new LinkedHashMap<Integer, ISystemTraceStatistic.TraceStats>( traceIntervalBuckets.length); for (int x : traceIntervalBuckets) { TraceStats ts = new TraceStats(); ts.setName("Duration-" + x); traceIntervals.put(x, ts); } for (ITraceContext tx : history) { if (tx.getStartTime() >= from) { // skip older entries count++; total += tx.getDuration(); putInIntervalBucket(tx, traceIntervals); ITraceCategory daoCategory = tx.getTraceCategory(DAO.TRACE_CAT); if (daoCategory != null) { daoOps += daoCategory.getCount(); daoDuration += daoCategory.getTotalDuration(); } for (TraceStats ts : traceStats) { countCat(ts, tx); } } } sts.setResponseCount(count); sts.setTotalResponseTime(total); sts.setAverageResponseTime(count != 0 ? total / count : 0d); sts.setTotalDAODuration(daoDuration); sts.setTotalDAOops(daoOps); traceStats.addAll(traceIntervals.values()); sts.setTraceStats(traceStats); } }