Package org.apache.hadoop.metrics2.impl

Examples of org.apache.hadoop.metrics2.impl.MetricsBuffer$Entry

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  }

  @Override
  protected void doDelete(HttpServletRequest req, HttpServletResponse resp)
      throws ServletException, IOException {
    Entry e = entry(req);
    S3Object remove = map.remove(e);
    if (remove == null) {
      resp.sendError(404, "Not found " + e);
    } else {
      resp.sendError(HttpURLConnection.HTTP_NO_CONTENT, "Deleted");
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    }

  }

  private Entry entry(HttpServletRequest req) {
    return new Entry(key(uri(req)));
  }
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        log("doGet " + uri);
    if ("/".equals(uri.getPath())) {
      list(req, resp);
    } else {
      String key = uri.getPath().substring(1);
      Entry e = new Entry(key);
      S3Object obj = map.get(e);
        if (debug)
          log("map.get(" + key + ") = " + obj);
      if (obj == null) {
        resp.sendError(404, "Not here: " + e);
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    if (maxKeysStr != null)
      maxKeys = Integer.parseInt(maxKeysStr);
    Writer w = new Writer();
    SortedMap<Entry, S3Object> submap = new TreeMap<Entry, S3Object>(map);
    if (prefix != null)
      submap = submap.tailMap(new Entry(prefix));
    int keyCount = 0;
    boolean truncated = false;
    String nextMarker = null;
    for (Entry e : submap.keySet()) {
      if (++keyCount > maxKeys) {
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    log("doPut " + uri);
    if ("/".equals(uri.getPath())) {
      log("create bucket");
      bucket = true;
    } else {
      Entry e = new Entry(key(uri));
      e.setLastModified(new Date());
      e.setSize(req.getContentLength());
      e.setOwner(new Owner("id", "name"));
      ByteArrayOutputStream os = new ByteArrayOutputStream();
      ServletInputStream is = req.getInputStream();
      byte b[] = new byte[128];
      while (true) {
        int len = is.read(b);
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import org.mockito.ArgumentCaptor;
import org.mockito.internal.util.reflection.Whitebox;

public class TestGraphiteMetrics {
    private AbstractMetric makeMetric(String name, Number value) {
        AbstractMetric metric = mock(AbstractMetric.class);
        when(metric.name()).thenReturn(name);
        when(metric.value()).thenReturn(value);
        return metric;
    }
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  @Test public void testPresence() {
    JvmPauseMonitor pauseMonitor = new JvmPauseMonitor(new Configuration());
    JvmMetrics jvmMetrics = new JvmMetrics("test", "test");
    jvmMetrics.setPauseMonitor(pauseMonitor);
    MetricsRecordBuilder rb = getMetrics(jvmMetrics);
    MetricsCollector mc = rb.parent();

    verify(mc).addRecord(JvmMetrics);
    verify(rb).tag(ProcessName, "test");
    verify(rb).tag(SessionId, "test");
    for (JvmMetricsInfo info : JvmMetricsInfo.values()) {
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  @Override
  public synchronized void start() {
    checkNotNull(prefix, "prefix");
    if (monitoring) {
      LOG.warn(prefix +" metrics system already started!",
               new MetricsException("Illegal start"));
      return;
    }
    for (Callback cb : callbacks) cb.preStart();
    configure(prefix);
    startTimer();
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  @Override
  public synchronized void stop() {
    if (!monitoring && !DefaultMetricsSystem.inMiniClusterMode()) {
      LOG.warn(prefix +" metrics system not yet started!",
               new MetricsException("Illegal stop"));
      return;
    }
    if (!monitoring) {
      // in mini cluster mode
      LOG.info(prefix +" metrics system stopped (again)");
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    MetricsTag tag = new MetricsTag(name, description, value);

    if (!override) {
      MetricsTag existing = tagsMap.putIfAbsent(name, tag);
      if (existing != null) {
        throw new MetricsException("Tag " + name + " already exists!");
      }
      return this;
    }

    tagsMap.put(name, tag);
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