Java Code Examples for org.rrd4j.core.RrdDef#setStartTime()

The following examples show how to use org.rrd4j.core.RrdDef#setStartTime() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: MetricsHistoryHandler.java    From lucene-solr with Apache License 2.0 5 votes vote down vote up 
private RrdDef createDef(String registry, Group group) {
  registry = SolrMetricManager.enforcePrefix(registry);

  // base sampling period is collectPeriod - samples more frequent than
  // that will be dropped, samples less frequent will be interpolated
  RrdDef def = new RrdDef(URI_PREFIX + registry, collectPeriod);
  // set the start time early enough so that the first sample is always later
  // than the start of the archive
  def.setStartTime(TimeUnit.SECONDS.convert(timeSource.getEpochTimeNs(), TimeUnit.NANOSECONDS) - def.getStep());

  // add datasources
  List<Group> groups = new ArrayList<>();
  groups.add(group);
  if (group == Group.collection) {
    groups.add(Group.core);
  }
  for (Group g : groups) {
    // use NaN when more than 1 sample is missing
    counters.get(g.toString()).forEach(name ->
        def.addDatasource(name, DsType.COUNTER, collectPeriod * 2, Double.NaN, Double.NaN));
    gauges.get(g.toString()).forEach(name ->
        def.addDatasource(name, DsType.GAUGE, collectPeriod * 2, Double.NaN, Double.NaN));
  }
  if (groups.contains(Group.node)) {
    // add nomNodes gauge
    def.addDatasource(NUM_NODES_KEY, DsType.GAUGE, collectPeriod * 2, Double.NaN, Double.NaN);
  }

  // add archives

  // use AVERAGE consolidation,
  // use NaN when >50% samples are missing
  def.addArchive(ConsolFun.AVERAGE, 0.5, 1, 240); // 4 hours
  def.addArchive(ConsolFun.AVERAGE, 0.5, 10, 288); // 48 hours
  def.addArchive(ConsolFun.AVERAGE, 0.5, 60, 336); // 2 weeks
  def.addArchive(ConsolFun.AVERAGE, 0.5, 240, 180); // 2 months
  def.addArchive(ConsolFun.AVERAGE, 0.5, 1440, 365); // 1 year
  return def;
}
Example 2
Source File: SolrRrdBackendFactoryTest.java    From lucene-solr with Apache License 2.0 5 votes vote down vote up 
private RrdDef createDef(long startTime) {
  RrdDef def = new RrdDef("solr:foo", 60);
  def.setStartTime(startTime);
  def.addDatasource("one", DsType.COUNTER, 120, Double.NaN, Double.NaN);
  def.addDatasource("two", DsType.GAUGE, 120, Double.NaN, Double.NaN);
  def.addArchive(ConsolFun.AVERAGE, 0.5, 1, 120); // 2 hours
  def.addArchive(ConsolFun.AVERAGE, 0.5, 10, 288); // 48 hours
  def.addArchive(ConsolFun.AVERAGE, 0.5, 60, 336); // 2 weeks
  def.addArchive(ConsolFun.AVERAGE, 0.5, 240, 180); // 2 months
  return def;
}
Example 3
Source File: RRD4jService.java    From openhab1-addons with Eclipse Public License 2.0 5 votes vote down vote up 
private RrdDef getRrdDef(String itemName, File file) {
    RrdDef rrdDef = new RrdDef(file.getAbsolutePath());
    RrdDefConfig useRdc = getRrdDefConfig(itemName);

    rrdDef.setStep(useRdc.step);
    rrdDef.setStartTime(System.currentTimeMillis() / 1000 - 1);
    rrdDef.addDatasource(DATASOURCE_STATE, useRdc.dsType, useRdc.heartbeat, useRdc.min, useRdc.max);
    for (RrdArchiveDef rad : useRdc.archives) {
        rrdDef.addArchive(rad.fcn, rad.xff, rad.steps, rad.rows);
    }
    return rrdDef;
}