List of usage examples for java.lang Runtime freeMemory
public native long freeMemory();
From source file:br.gov.lexml.server.LexMLOAIHandler.java
/** * Peform the http GET action. Note that POST is shunted to here as well. The verb widget is * taken from the request and used to invoke an OAIVerb object of the corresponding kind to do * the actual work of the verb.// w ww . j a v a2 s . c o m * * @param request the servlet's request information * @param response the servlet's response information * @exception IOException an I/O error occurred */ @Override public void doGet(final HttpServletRequest request, final HttpServletResponse response) throws IOException { // Fora gerao do cookie de sesso // (necessrio para balanceamento de carga pelo pound do Prodasen) request.getSession(); HashMap attributes = getAttributes(request.getPathInfo()); if (!filterRequest(request, response)) { return; } log.debug("attributes = " + attributes); Properties properties = (Properties) attributes.get("OAIHandler.properties"); boolean monitor = false; if (properties.getProperty("OAIHandler.monitor") != null) { monitor = true; } boolean serviceUnavailable = isServiceUnavailable(properties); String extensionPath = properties.getProperty("OAIHandler.extensionPath", "/extension"); HashMap serverVerbs = ServerVerb.getVerbs(properties); HashMap extensionVerbs = ServerVerb.getExtensionVerbs(properties); Transformer transformer = (Transformer) attributes.get("OAIHandler.transformer"); boolean forceRender = false; if ("true".equals(properties.getProperty("OAIHandler.forceRender"))) { forceRender = true; } request.setCharacterEncoding("UTF-8"); Date then = null; if (monitor) { then = new Date(); } if (debug) { Enumeration headerNames = request.getHeaderNames(); log.debug("OAIHandler.doGet: "); while (headerNames.hasMoreElements()) { String headerName = (String) headerNames.nextElement(); log.debug(headerName + ": " + request.getHeader(headerName)); } } if (serviceUnavailable) { response.sendError(HttpServletResponse.SC_SERVICE_UNAVAILABLE, "Sorry. This server is down for maintenance"); } else { try { String userAgent = request.getHeader("User-Agent"); if (userAgent == null) { userAgent = ""; } else { userAgent = userAgent.toLowerCase(); } Transformer serverTransformer = null; if (transformer != null) { // return HTML if the client is an old browser if (forceRender || userAgent.indexOf("opera") != -1 || userAgent.startsWith("mozilla") && userAgent.indexOf("msie 6") == -1 /* && userAgent.indexOf("netscape/7") == -1 */) { serverTransformer = transformer; } } String result = LexMLOAIHandler.getResult(attributes, request, response, serverTransformer, serverVerbs, extensionVerbs, extensionPath); Writer out = LexMLOAIHandler.getWriter(request, response); out.write(result); out.flush(); IOUtils.closeQuietly(out); } catch (FileNotFoundException e) { log.error("Falha no processamento.", e); response.sendError(HttpServletResponse.SC_NOT_FOUND, e.getMessage()); } catch (Throwable e) { log.error("Falha no processamento.", e); response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.getMessage()); } } if (monitor) { StringBuffer reqUri = new StringBuffer(request.getRequestURI()); String queryString = request.getQueryString(); // d=789 if (queryString != null) { reqUri.append("?").append(queryString); } Runtime rt = Runtime.getRuntime(); log.debug(rt.freeMemory() + "/" + rt.totalMemory() + " " + (new Date().getTime() - then.getTime()) + "ms: " + reqUri.toString()); } }
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 ww w. j a v a 2 s.co 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: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 ww w. j a v a2 s .co m header.append("\nHost : ").append(InetAddress.getLocalHost()); } catch (UnknownHostException e) { header.append("\nHost : unknown"); } header.append("\n"); return header.toString(); }
From source file:de.xwic.appkit.core.trace.impl.TraceDataManager.java
/** * Store statistic data.//from w w w .j a v a2 s .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); } }
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 ww w . j a v a 2s . 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.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:org.apache.maven.doxia.linkcheck.DefaultLinkCheck.java
/** * Writes some memory data to the log (if debug enabled). */// www .j a v a 2 s . c om private void displayMemoryConsumption() { if (LOG.isDebugEnabled()) { Runtime r = Runtime.getRuntime(); LOG.debug("Memory: " + (r.totalMemory() - r.freeMemory()) / MEG + "M/" + r.totalMemory() / MEG + "M"); } }
From source file:ffx.Main.java
/** * Main does some window initializations. * * @param commandLineFile a {@link java.io.File} object. * @param argList a {@link java.util.List} object. *//* www . ja v a 2 s . c om*/ public Main(File commandLineFile, List<String> argList) { super("Force Field X"); // Start the clock. stopWatch.start(); setVisible(false); // Create the MainPanel and MainMenu, then add them to the JFrame java.awt.Toolkit.getDefaultToolkit().setDynamicLayout(true); mainPanel = new MainPanel(this); logHandler.setMainPanel(mainPanel); add(mainPanel); mainPanel.initialize(); setJMenuBar(mainPanel.getMainMenu()); // Set the Title and Icon setTitle("Force Field X"); URL iconURL = getClass().getClassLoader().getResource("ffx/ui/icons/icon64.png"); ImageIcon icon = new ImageIcon(iconURL); setIconImage(icon.getImage()); addWindowListener(new WindowAdapter() { @Override public void windowClosing(WindowEvent e) { if (mainPanel != null) { mainPanel.exit(); } System.exit(0); } }); // This is a hack to get GraphicsCanvis to initialize on some // platform/Java3D combinations. mainPanel.setPanel(MainPanel.KEYWORDS); setVisible(true); mainPanel.setPanel(MainPanel.GRAPHICS); // Mac OS X specific features that help Force Field X look native // on Macs. This needs to be done after the MainPanel is created. if (SystemUtils.IS_OS_MAC_OSX) { osxAdapter = new OSXAdapter(mainPanel); } // Finally, open the supplied file if necessary. if (commandLineFile != null && !commandLineFile.exists()) { /** * See if the commandLineFile is an embedded script. */ String name = commandLineFile.getName(); name = name.replace('.', '/'); String pathName = "ffx/scripts/" + name; ClassLoader loader = getClass().getClassLoader(); URL embeddedScript = loader.getResource(pathName + ".ffx"); if (embeddedScript == null) { embeddedScript = loader.getResource(pathName + ".groovy"); } if (embeddedScript != null) { try { commandLineFile = new File(FFXClassLoader.copyInputStreamToTmpFile(embeddedScript.openStream(), commandLineFile.getName(), ".ffx")); } catch (Exception e) { logger.info(String.format(" The embedded script %s could not be extracted.", embeddedScript)); } } } if (commandLineFile != null) { if (commandLineFile.exists()) { mainPanel.getModelingShell().setArgList(argList); mainPanel.open(commandLineFile, null); } else { logger.warning(format("%s was not found.", commandLineFile.toString())); } } if (logger.isLoggable(Level.FINE)) { StringBuilder sb = new StringBuilder(); sb.append(format("\n Start-up Time (msec): %s.", stopWatch.getTime())); Runtime runtime = Runtime.getRuntime(); runtime.runFinalization(); runtime.gc(); long occupiedMemory = runtime.totalMemory() - runtime.freeMemory(); long KB = 1024; sb.append(format("\n In-Use Memory (Kb): %d", occupiedMemory / KB)); sb.append(format("\n Free Memory (Kb): %d", runtime.freeMemory() / KB)); sb.append(format("\n Total Memory (Kb): %d", runtime.totalMemory() / KB)); logger.fine(sb.toString()); } }
From source file:org.klco.email2html.OutputWriter.java
/** * Writes the attachment contained in the body part to a file. * // w w w.j a v a2s . com * @param containingMessage * the message this body part is contained within * @param part * the part containing the attachment * @return the file that was created/written to * @throws IOException * Signals that an I/O exception has occurred. * @throws MessagingException * the messaging exception */ public boolean writeAttachment(EmailMessage containingMessage, Part part) throws IOException, MessagingException { log.trace("writeAttachment"); File attachmentFolder; File attachmentFile; InputStream in = null; OutputStream out = null; try { attachmentFolder = new File(outputDir.getAbsolutePath() + File.separator + config.getImagesSubDir() + File.separator + FILE_DATE_FORMAT.format(containingMessage.getSentDate())); if (!attachmentFolder.exists()) { log.debug("Creating attachment folder"); attachmentFolder.mkdirs(); } attachmentFile = new File(attachmentFolder, part.getFileName()); log.debug("Writing attachment file: {}", attachmentFile.getAbsolutePath()); if (!attachmentFile.exists()) { attachmentFile.createNewFile(); } in = new BufferedInputStream(part.getInputStream()); out = new BufferedOutputStream(new FileOutputStream(attachmentFile)); log.debug("Downloading attachment"); CRC32 checksum = new CRC32(); for (int b = in.read(); b != -1; b = in.read()) { checksum.update(b); out.write(b); } if (this.excludeDuplicates) { log.debug("Computing checksum"); long value = checksum.getValue(); if (this.attachmentChecksums.contains(value)) { log.info("Skipping duplicate attachment: {}", part.getFileName()); attachmentFile.delete(); return false; } else { attachmentChecksums.add(value); } } log.debug("Attachement saved"); } finally { IOUtils.closeQuietly(out); IOUtils.closeQuietly(in); } if (part.getContentType().toLowerCase().startsWith("image")) { log.debug("Creating renditions"); String contentType = part.getContentType().substring(0, part.getContentType().indexOf(";")); log.debug("Creating renditions of type: " + contentType); for (Rendition rendition : renditions) { File renditionFile = new File(attachmentFolder, rendition.getName() + "-" + part.getFileName()); try { if (!renditionFile.exists()) { renditionFile.createNewFile(); } log.debug("Creating rendition file: {}", renditionFile.getAbsolutePath()); createRendition(attachmentFile, renditionFile, rendition); log.debug("Rendition created"); } catch (OutOfMemoryError oome) { Runtime rt = Runtime.getRuntime(); rt.gc(); log.warn("Ran out of memory creating rendition: " + rendition, oome); log.warn("Free Memory: {}", rt.freeMemory()); log.warn("Max Memory: {}", rt.maxMemory()); log.warn("Total Memory: {}", rt.totalMemory()); String[] command = null; if (rendition.getFill()) { command = new String[] { "convert", attachmentFile.getAbsolutePath(), "-resize", (rendition.getHeight() * 2) + "x", "-resize", "'x" + (rendition.getHeight() * 2) + "<'", "-resize", "50%", "-gravity", "center", "-crop", rendition.getHeight() + "x" + rendition.getWidth() + "+0+0", "+repage", renditionFile.getAbsolutePath() }; } else { command = new String[] { "convert", attachmentFile.getAbsolutePath(), "-resize", rendition.getHeight() + "x" + rendition.getWidth(), renditionFile.getAbsolutePath() }; } log.debug("Trying to resize with ImageMagick: " + StringUtils.join(command, " ")); rt.exec(command); } catch (Exception t) { log.warn("Exception creating rendition: " + rendition, t); } } } return true; }
From source file:spade.utility.BitcoinTools.java
public void writeBlocksToCSV(int startIndex, int endIndex) { // Block block, int lastBlockId int lastBlockId = -1; final BitcoinTools bitcoinTools = new BitcoinTools(); String pattern = "#.##"; DecimalFormat decimalFormat = new DecimalFormat(pattern); final ConcurrentHashMap<Integer, Block> blockMap = new ConcurrentHashMap<Integer, Block>(); final AtomicInteger currentBlock = new AtomicInteger(startIndex); final int stopIndex = endIndex; final int totalThreads = Runtime.getRuntime().availableProcessors(); class BlockFetcher implements Runnable { public void run() { while (true) { if (blockMap.size() > totalThreads * 5) { // max objects to hold in memory max 1 MB * totalThreads * factor try { Thread.sleep(100); continue; } catch (Exception exception) { }/* www. j a v a2 s . c o m*/ } int blockToFetch = currentBlock.getAndIncrement(); try { blockMap.put(blockToFetch, bitcoinTools.getBlock(blockToFetch)); } catch (JSONException exception) { Bitcoin.log(Level.SEVERE, "Block " + blockToFetch + " has invalid json. Redownloading.", exception); try { blockMap.put(blockToFetch, bitcoinTools.getBlock(blockToFetch)); } catch (JSONException ex) { Bitcoin.log(Level.SEVERE, "Block " + blockToFetch + " couldn't be included in CSV.", ex); } } if (blockToFetch >= stopIndex) { break; } } } } ArrayList<Thread> workers = new ArrayList<Thread>(); for (int i = 0; i < totalThreads; i++) { Thread th = new Thread(new BlockFetcher()); workers.add(th); th.start(); } int percentageCompleted = 0; for (int i = startIndex; i < endIndex; i++) { try { Block block; while (!blockMap.containsKey(i)) { } block = blockMap.get(i); blockMap.remove(i); lastBlockId = writeBlockToCSV(block, lastBlockId); if ((((i - startIndex + 1) * 100) / (endIndex - startIndex)) > percentageCompleted) { Runtime rt = Runtime.getRuntime(); long totalMemory = rt.totalMemory() / 1024 / 1024; long freeMemory = rt.freeMemory() / 1024 / 1024; long usedMemory = totalMemory - freeMemory; System.out.print("| Cores: " + rt.availableProcessors() + " | Threads: " + totalThreads + " | Heap (MB) - total: " + totalMemory + ", %age free: " + (freeMemory * 100) / totalMemory + " | At Block: " + (i - startIndex + 1) + " / " + (endIndex - startIndex) + " | Percentage Completed: " + percentageCompleted // + " |\r"); + " |\n"); } percentageCompleted = ((i - startIndex + 1) * 100) / (endIndex - startIndex); } catch (IOException ex) { Bitcoin.log(Level.SEVERE, "Unexpected IOException. Stopping CSV creation.", ex); break; } } for (int i = 0; i < totalThreads; i++) { try { workers.get(i).interrupt(); workers.get(i).join(); } catch (InterruptedException exception) { } } System.out.println("\n\ndone with creating CSVes!"); }