@Override
public void report(
SortedMap<String, Gauge> gauges,
SortedMap<String, Counter> counters,
SortedMap<String, Histogram> histograms,
SortedMap<String, Meter> meters,
SortedMap<String, Timer> timers) {
final Date timestamp = new Date(clock.getTime());
List<DBObject> docs =
Lists.newArrayListWithExpectedSize(
gauges.size() + counters.size() + histograms.size() + meters.size() + timers.size());
collectGaugeReports(docs, gauges, timestamp);
collectCounterReports(docs, counters, timestamp);
collectHistogramReports(docs, histograms, timestamp);
collectMeterReports(docs, meters, timestamp);
collectTimerReports(docs, timers, timestamp);
try {
final DBCollection collection =
mongoConnection.getDatabase().getCollection("graylog2_metrics");
// don't hang on to the data for too long.
final BasicDBObject indexField = new BasicDBObject("timestamp", 1);
final BasicDBObject indexOptions = new BasicDBObject("expireAfterSeconds", 5 * 60);
collection.createIndex(indexField, indexOptions);
collection.insert(docs, WriteConcern.UNACKNOWLEDGED);
} catch (Exception e) {
LOG.warn("Unable to write graylog2 metrics to mongodb. Ignoring this error.", e);
}
}
@Inject
public OutputServiceImpl(
MongoConnection mongoConnection,
MongoJackObjectMapperProvider mapperProvider,
StreamService streamService,
OutputRegistry outputRegistry) {
this.streamService = streamService;
final String collectionName = OutputImpl.class.getAnnotation(CollectionName.class).value();
this.dbCollection = mongoConnection.getDatabase().getCollection(collectionName);
this.coll =
JacksonDBCollection.wrap(
dbCollection, OutputImpl.class, String.class, mapperProvider.get());
this.outputRegistry = outputRegistry;
}