@InterfaceAudience.Public @InterfaceStability.Evolving public class MetricsCache extends Object
| Constructor and Description |
|---|
MetricsCache() |
MetricsCache(int maxRecsPerName)
Construct a metrics cache
|
| Modifier and Type | Method and Description |
|---|---|
org.apache.hadoop.metrics2.util.MetricsCache.Record |
get(String name,
Collection<MetricsTag> tags)
Get the cached record
|
org.apache.hadoop.metrics2.util.MetricsCache.Record |
update(MetricsRecord mr)
Update the cache and return the current cache record
|
org.apache.hadoop.metrics2.util.MetricsCache.Record |
update(MetricsRecord mr,
boolean includingTags)
Update the cache and return the current cached record
|
public MetricsCache()
public MetricsCache(int maxRecsPerName)
maxRecsPerName - limit of the number records per record namepublic org.apache.hadoop.metrics2.util.MetricsCache.Record update(MetricsRecord mr, boolean includingTags)
mr - the update recordincludingTags - cache tag values (for later lookup by name) if truepublic org.apache.hadoop.metrics2.util.MetricsCache.Record update(MetricsRecord mr)
mr - the update recordpublic org.apache.hadoop.metrics2.util.MetricsCache.Record get(String name, Collection<MetricsTag> tags)
name - of the recordtags - of the recordCopyright © 2022 Apache Software Foundation. All rights reserved.