io.opencensus.stats.View.Name Java Examples
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io.opencensus.stats.View.Name.
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Example #1
Source File: ViewManagerImplTest.java From opencensus-java with Apache License 2.0 | 6 votes |
@Test public void testGetAllExportedViews() { assertThat(viewManager.getAllExportedViews()).isEmpty(); View cumulativeView1 = createCumulativeView( View.Name.create("View 1"), MEASURE_DOUBLE, DISTRIBUTION, Arrays.asList(KEY)); View cumulativeView2 = createCumulativeView( View.Name.create("View 2"), MEASURE_DOUBLE, DISTRIBUTION, Arrays.asList(KEY)); View intervalView = View.create( View.Name.create("View 3"), VIEW_DESCRIPTION, MEASURE_DOUBLE, DISTRIBUTION, Arrays.asList(KEY), INTERVAL); viewManager.registerView(cumulativeView1); viewManager.registerView(cumulativeView2); viewManager.registerView(intervalView); // Only cumulative views should be exported. assertThat(viewManager.getAllExportedViews()).containsExactly(cumulativeView1, cumulativeView2); }
Example #2
Source File: ViewManagerImplTest.java From opencensus-java with Apache License 2.0 | 6 votes |
@Test public void getAllExportedViewsResultIsUnmodifiable() { View view1 = View.create( View.Name.create("View 1"), VIEW_DESCRIPTION, MEASURE_DOUBLE, DISTRIBUTION, Arrays.asList(KEY), CUMULATIVE); viewManager.registerView(view1); Set<View> exported = viewManager.getAllExportedViews(); View view2 = View.create( View.Name.create("View 2"), VIEW_DESCRIPTION, MEASURE_DOUBLE, DISTRIBUTION, Arrays.asList(KEY), CUMULATIVE); thrown.expect(UnsupportedOperationException.class); exported.add(view2); }
Example #3
Source File: PubsubMessageToObjectNode.java From gcp-ingestion with Mozilla Public License 2.0 | 5 votes |
/** * Register a view for every measure. * * <p>If this is not called, e.g. during unit tests, recorded values will not be exported. */ private static void setupOpenCensus() { ViewManager viewManager = Stats.getViewManager(); for (MeasureLong measure : ImmutableList.of(COERCED_TO_INT, NOT_COERCED_TO_INT, NOT_COERCED_TO_BOOL)) { viewManager.registerView(View.create(Name.create(measure.getName()), measure.getDescription(), measure, COUNT_AGGREGATION, ImmutableList.of())); } }
Example #4
Source File: NoopViewManagerTest.java From opencensus-java with Apache License 2.0 | 5 votes |
@Test public void getAllExportedViews() { ViewManager viewManager = NoopStats.newNoopViewManager(); assertThat(viewManager.getAllExportedViews()).isEmpty(); View cumulativeView1 = View.create( View.Name.create("View 1"), VIEW_DESCRIPTION, MEASURE, AGGREGATION, Arrays.asList(KEY), CUMULATIVE); View cumulativeView2 = View.create( View.Name.create("View 2"), VIEW_DESCRIPTION, MEASURE, AGGREGATION, Arrays.asList(KEY), CUMULATIVE); View intervalView = View.create( View.Name.create("View 3"), VIEW_DESCRIPTION, MEASURE, AGGREGATION, Arrays.asList(KEY), INTERVAL); viewManager.registerView(cumulativeView1); viewManager.registerView(cumulativeView2); viewManager.registerView(intervalView); // Only cumulative views should be exported. assertThat(viewManager.getAllExportedViews()).containsExactly(cumulativeView1, cumulativeView2); }
Example #5
Source File: NoopViewManagerTest.java From opencensus-java with Apache License 2.0 | 5 votes |
@Test public void getAllExportedViews_ResultIsUnmodifiable() { ViewManager viewManager = NoopStats.newNoopViewManager(); View view1 = View.create( View.Name.create("View 1"), VIEW_DESCRIPTION, MEASURE, AGGREGATION, Arrays.asList(KEY)); viewManager.registerView(view1); Set<View> exported = viewManager.getAllExportedViews(); View view2 = View.create( View.Name.create("View 2"), VIEW_DESCRIPTION, MEASURE, AGGREGATION, Arrays.asList(KEY)); thrown.expect(UnsupportedOperationException.class); exported.add(view2); }
Example #6
Source File: Quickstart.java From java-docs-samples with Apache License 2.0 | 5 votes |
public static void main(String[] args) throws IOException, InterruptedException { // Register the view. It is imperative that this step exists, // otherwise recorded metrics will be dropped and never exported. View view = View.create( Name.create("task_latency_distribution"), "The distribution of the task latencies.", LATENCY_MS, Aggregation.Distribution.create(LATENCY_BOUNDARIES), Collections.emptyList()); ViewManager viewManager = Stats.getViewManager(); viewManager.registerView(view); // [START setup_exporter] // Enable OpenCensus exporters to export metrics to Stackdriver Monitoring. // Exporters use Application Default Credentials to authenticate. // See https://developers.google.com/identity/protocols/application-default-credentials // for more details. StackdriverStatsExporter.createAndRegister(); // [END setup_exporter] // Record 100 fake latency values between 0 and 5 seconds. Random rand = new Random(); for (int i = 0; i < 100; i++) { long ms = (long) (TimeUnit.MILLISECONDS.convert(5, TimeUnit.SECONDS) * rand.nextDouble()); System.out.println(String.format("Latency %d: %d", i, ms)); STATS_RECORDER.newMeasureMap().put(LATENCY_MS, ms).record(); } // The default export interval is 60 seconds. The thread with the StackdriverStatsExporter must // live for at least the interval past any metrics that must be collected, or some risk being // lost if they are recorded after the last export. System.out.println( String.format( "Sleeping %d seconds before shutdown to ensure all records are flushed.", EXPORT_INTERVAL)); Thread.sleep(TimeUnit.MILLISECONDS.convert(EXPORT_INTERVAL, TimeUnit.SECONDS)); }
Example #7
Source File: Repl.java From opencensus-java with Apache License 2.0 | 4 votes |
private static void registerAllViews() { // Defining the distribution aggregations Aggregation latencyDistribution = Distribution.create( BucketBoundaries.create( Arrays.asList( // [>=0ms, >=25ms, >=50ms, >=75ms, >=100ms, >=200ms, >=400ms, >=600ms, >=800ms, // >=1s, >=2s, >=4s, >=6s] 0.0, 25.0, 50.0, 75.0, 100.0, 200.0, 400.0, 600.0, 800.0, 1000.0, 2000.0, 4000.0, 6000.0))); Aggregation lengthsDistribution = Distribution.create( BucketBoundaries.create( Arrays.asList( // [>=0B, >=5B, >=10B, >=20B, >=40B, >=60B, >=80B, >=100B, >=200B, >=400B, // >=600B, // >=800B, >=1000B] 0.0, 5.0, 10.0, 20.0, 40.0, 60.0, 80.0, 100.0, 200.0, 400.0, 600.0, 800.0, 1000.0))); // Define the count aggregation Aggregation countAggregation = Aggregation.Count.create(); // So tagKeys List<TagKey> noKeys = new ArrayList<TagKey>(); // Define the views View[] views = new View[] { View.create( Name.create("ocjavametrics/latency"), "The distribution of latencies", M_LATENCY_MS, latencyDistribution, Collections.singletonList(KEY_METHOD)), View.create( Name.create("ocjavametrics/lines_in"), "The number of lines read in from standard input", M_LINES_IN, countAggregation, noKeys), View.create( Name.create("ocjavametrics/errors"), "The number of errors encountered", M_ERRORS, countAggregation, Collections.singletonList(KEY_METHOD)), View.create( Name.create("ocjavametrics/line_lengths"), "The distribution of line lengths", M_LINE_LENGTHS, lengthsDistribution, noKeys) }; // Create the view manager ViewManager vmgr = Stats.getViewManager(); // Then finally register the views for (View view : views) { vmgr.registerView(view); } }
Example #8
Source File: StackdriverQuickstart.java From opencensus-java with Apache License 2.0 | 4 votes |
/** Main launcher for the Stackdriver example. */ public static void main(String[] args) throws IOException, InterruptedException { // Register the view. It is imperative that this step exists, // otherwise recorded metrics will be dropped and never exported. View view = View.create( Name.create("task_latency_distribution"), "The distribution of the task latencies.", LATENCY_MS, Aggregation.Distribution.create(LATENCY_BOUNDARIES), Collections.<TagKey>emptyList()); // Create the view manager ViewManager viewManager = Stats.getViewManager(); // Then finally register the views viewManager.registerView(view); // [START setup_exporter] // Enable OpenCensus exporters to export metrics to Stackdriver Monitoring. // Exporters use Application Default Credentials to authenticate. // See https://developers.google.com/identity/protocols/application-default-credentials // for more details. StackdriverStatsExporter.createAndRegister(); // [END setup_exporter] // Record 100 fake latency values between 0 and 5 seconds. Random rand = new Random(); for (int i = 0; i < 100; i++) { long ms = (long) (TimeUnit.MILLISECONDS.convert(5, TimeUnit.SECONDS) * rand.nextDouble()); System.out.println(String.format("Latency %d: %d", i, ms)); STATS_RECORDER.newMeasureMap().put(LATENCY_MS, ms).record(); } // The default export interval is 60 seconds. The thread with the StackdriverStatsExporter must // live for at least the interval past any metrics that must be collected, or some risk being // lost if they are recorded after the last export. System.out.println( String.format( "Sleeping %d seconds before shutdown to ensure all records are flushed.", EXPORT_INTERVAL)); Thread.sleep(TimeUnit.MILLISECONDS.convert(EXPORT_INTERVAL, TimeUnit.SECONDS)); }
Example #9
Source File: ViewManagerImplTest.java From opencensus-java with Apache License 2.0 | 4 votes |
private static View createCumulativeView( View.Name name, Measure measure, Aggregation aggregation, List<TagKey> keys) { return View.create(name, VIEW_DESCRIPTION, measure, aggregation, keys, CUMULATIVE); }
Example #10
Source File: OpenCensusPluginSink.java From ffwd with Apache License 2.0 | 4 votes |
public void sendMetric(Metric metric) { try { String metricName = getOutputMetricName(metric); MeasureLong measure = measures.get(metricName); if (measure == null) { if (measures.size() > maxViews) { throw new RuntimeException("maxViews exceeded. " + "Please increase in configuration or decrease number of metrics."); } measure = MeasureLong.create("Events", "Number of Events", "1"); measures.put(metricName, measure); // Stackdriver expects each metric to have the same set of tags so metrics // missing tags will be rejected. NB by default stackdriver will create // the metricDescription based on the first metric received so be consistant // from the start. final List<TagKey> columns = new ArrayList<TagKey>(metric.getTags().size()); metric.getTags().keySet().forEach(tagName -> { columns.add(TagKey.create(sanitizeName(tagName))); }); final View view = View.create( Name.create(metricName), metricName, measure, Sum.create(), columns); Stats.getViewManager().registerView(view); } final TagContextBuilder builder = tagger.emptyBuilder(); metric.getTags().forEach((k, v) -> { builder.putPropagating(TagKey.create(sanitizeName(k)), TagValue.create(v)); }); final TagContext context = builder.build(); statsRecorder.newMeasureMap().put(measure, (long) metric.getValue()).record(context); } catch (Exception ex) { log.error("Couldn't send metric %s", ex); throw ex; } }
Example #11
Source File: OpenCensusMetricExporterSpi.java From ignite with Apache License 2.0 | 4 votes |
/** */ private void addView(Measure msr) { View v = View.create(Name.create(msr.getName()), msr.getDescription(), msr, LastValue.create(), tags); Stats.getViewManager().registerView(v); }