org.rhq.server.metrics.aggregation

Class AggregationManager

java.lang.Object

org.rhq.server.metrics.aggregation.AggregationManager

public class AggregationManager
extends Object

This class is the driver for metrics aggregation.

Author:

John Sanda

Field Summary

Fields

Modifier and Type	Field and Description
static int	INDEX_PARTITION

Constructor Summary

Constructors

Constructor and Description
AggregationManager(com.google.common.util.concurrent.ListeningExecutorService aggregationTasks, MetricsDAO dao, DateTimeService dtService, org.joda.time.DateTime startTime, int batchSize, int parallelism, int cacheBatchSize, int indexPageSize)

Method Summary

Methods

Modifier and Type	Method and Description
Set<AggregateNumericMetric>	run()
void	setCacheActivationTime(long cacheActivationTime) Deactivates the metrics_cache table.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

INDEX_PARTITION

public static final int INDEX_PARTITION

See Also:

Constant Field Values

Constructor Detail

AggregationManager

public AggregationManager(com.google.common.util.concurrent.ListeningExecutorService aggregationTasks,
                  MetricsDAO dao,
                  DateTimeService dtService,
                  org.joda.time.DateTime startTime,
                  int batchSize,
                  int parallelism,
                  int cacheBatchSize,
                  int indexPageSize)

Method Detail

setCacheActivationTime

public void setCacheActivationTime(long cacheActivationTime)

Deactivates the metrics_cache table. Data will not be pulled from metrics_cache until cacheActivationTime has been reached. This applies to both past and current data. At that time, metrics_cache will be reactivated, and we will start pulling data from it again.

Parameters:

cacheActivationTime - The time to reactivate metrics_cache

run

public Set<AggregateNumericMetric> run()