org.apache.pulsar.broker.stats.metrics

Class ManagedLedgerCacheMetrics

java.lang.Object

org.apache.pulsar.broker.stats.metrics.ManagedLedgerCacheMetrics

public class ManagedLedgerCacheMetrics
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
protected static double[]	ENTRY_LATENCY_BUCKETS_MS
protected static double[]	ENTRY_SIZE_BUCKETS_BYTES
protected static String	METRICS_VERSION_SUFFIX
protected PulsarService	pulsar
protected static Pattern	V2_LEDGER_NAME_PATTERN

Constructor Summary

Constructors

Constructor and Description
ManagedLedgerCacheMetrics(PulsarService pulsar)

Method Summary

Modifier and Type	Method and Description
protected double	average(List<Double> values)
protected org.apache.pulsar.common.stats.Metrics	createMetrics() Creates a metrics with empty immutable dimension.
protected org.apache.pulsar.common.stats.Metrics	createMetrics(Map<String,String> dimensionMap)
protected org.apache.pulsar.common.stats.Metrics	createMetricsByDimension(String namespace) Creates a dimension key for metrics
protected org.apache.pulsar.common.stats.Metrics	createMetricsByDimension(String namespace, String fromClusterName, String toClusterName) Creates a dimension key for replication metrics
List<org.apache.pulsar.common.stats.Metrics>	generate()
protected String	getLocalClusterName()
protected ManagedLedgerFactoryMXBean	getManagedLedgerCacheStats() Returns the managed ledger cache statistics from ML factory
protected Map<String,ManagedLedgerImpl>	getManagedLedgers() Returns managed ledgers map from ML factory
protected String	parseNamespaceFromLedgerName(String ledgerName)
protected void	populateAggregationMap(Map<String,List<Double>> map, String mkey, double value)
protected void	populateAggregationMapWithSum(Map<String,Double> map, String mkey, double value)
protected void	populateBucketEntries(Map<String,Double> map, String mkey, double[] boundaries, long[] bucketValues, int period)
protected void	populateDimensionMap(Map<org.apache.pulsar.common.stats.Metrics,List<ManagedLedgerImpl>> ledgersByDimensionMap, org.apache.pulsar.common.stats.Metrics metrics, ManagedLedgerImpl ledger) Helper to manage populating topics map
protected void	populateDimensionMap(Map<org.apache.pulsar.common.stats.Metrics,List<org.apache.pulsar.common.policies.data.TopicStats>> topicsStatsByDimensionMap, org.apache.pulsar.common.stats.Metrics metrics, org.apache.pulsar.common.policies.data.TopicStats destStats)
protected void	populateMaxMap(Map<String,Long> map, String mkey, long value)
protected double	sum(List<Double> values)

Methods inherited from class java.lang.Object

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

Field Detail

METRICS_VERSION_SUFFIX

protected static final String METRICS_VERSION_SUFFIX

See Also:

Constant Field Values

V2_LEDGER_NAME_PATTERN

protected static final Pattern V2_LEDGER_NAME_PATTERN

ENTRY_LATENCY_BUCKETS_MS

protected static final double[] ENTRY_LATENCY_BUCKETS_MS

ENTRY_SIZE_BUCKETS_BYTES

protected static final double[] ENTRY_SIZE_BUCKETS_BYTES

pulsar

protected final PulsarService pulsar

Constructor Detail

ManagedLedgerCacheMetrics

public ManagedLedgerCacheMetrics(PulsarService pulsar)

Method Detail

generate

public List<org.apache.pulsar.common.stats.Metrics> generate()

createMetrics

protected org.apache.pulsar.common.stats.Metrics createMetrics()

Creates a metrics with empty immutable dimension.

Use this for metrics that doesn't need any dimension - i.e global metrics

Returns:

createMetrics

protected org.apache.pulsar.common.stats.Metrics createMetrics(Map<String,String> dimensionMap)

getManagedLedgerCacheStats

protected ManagedLedgerFactoryMXBean getManagedLedgerCacheStats()

Returns the managed ledger cache statistics from ML factory

Returns:

getManagedLedgers

protected Map<String,ManagedLedgerImpl> getManagedLedgers()

Returns managed ledgers map from ML factory

Returns:

getLocalClusterName

protected String getLocalClusterName()

average

protected double average(List<Double> values)

sum

protected double sum(List<Double> values)

parseNamespaceFromLedgerName

protected String parseNamespaceFromLedgerName(String ledgerName)

createMetricsByDimension

protected org.apache.pulsar.common.stats.Metrics createMetricsByDimension(String namespace)

Creates a dimension key for metrics

Parameters:

namespace - Namespace of metric

Returns:

createMetricsByDimension

protected org.apache.pulsar.common.stats.Metrics createMetricsByDimension(String namespace,
                                                                          String fromClusterName,
                                                                          String toClusterName)

Creates a dimension key for replication metrics

Parameters:

namespace -

fromClusterName -

toClusterName -

Returns:

populateBucketEntries

protected void populateBucketEntries(Map<String,Double> map,
                                     String mkey,
                                     double[] boundaries,
                                     long[] bucketValues,
                                     int period)

populateAggregationMap

protected void populateAggregationMap(Map<String,List<Double>> map,
                                      String mkey,
                                      double value)

populateAggregationMapWithSum

protected void populateAggregationMapWithSum(Map<String,Double> map,
                                             String mkey,
                                             double value)

populateMaxMap

protected void populateMaxMap(Map<String,Long> map,
                              String mkey,
                              long value)

populateDimensionMap

protected void populateDimensionMap(Map<org.apache.pulsar.common.stats.Metrics,List<ManagedLedgerImpl>> ledgersByDimensionMap,
                                    org.apache.pulsar.common.stats.Metrics metrics,
                                    ManagedLedgerImpl ledger)

Helper to manage populating topics map

Parameters:

ledgersByDimensionMap -

metrics -

ledger -

populateDimensionMap

protected void populateDimensionMap(Map<org.apache.pulsar.common.stats.Metrics,List<org.apache.pulsar.common.policies.data.TopicStats>> topicsStatsByDimensionMap,
                                    org.apache.pulsar.common.stats.Metrics metrics,
                                    org.apache.pulsar.common.policies.data.TopicStats destStats)