org.apache.hadoop.metrics

类 MetricsUtil

java.lang.Object

org.apache.hadoop.metrics.MetricsUtil

已过时。

in favor of org.apache.hadoop.metrics2 usage.

@Deprecated
@InterfaceAudience.LimitedPrivate(value={"HDFS","MapReduce"})
@InterfaceStability.Evolving
public class MetricsUtil
extends Object

Utility class to simplify creation and reporting of hadoop metrics. For examples of usage, see NameNodeMetrics.

另请参阅:

MetricsRecord, MetricsContext, ContextFactory

字段概要

字段

限定符和类型	字段和说明
static org.apache.commons.logging.Log	LOG 已过时。

方法概要

方法

限定符和类型	方法和说明
static MetricsRecord	createRecord(MetricsContext context, String recordName) 已过时。 Utility method to create and return new metrics record instance within the given context.
static MetricsContext	getContext(String contextName) 已过时。
static MetricsContext	getContext(String refName, String contextName) 已过时。 Utility method to return the named context.

从类继承的方法 java.lang.Object

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

字段详细资料

LOG

public static final org.apache.commons.logging.Log LOG

已过时。

方法详细资料

getContext

public static MetricsContext getContext(String contextName)

已过时。

getContext

public static MetricsContext getContext(String refName,
                        String contextName)

已过时。

Utility method to return the named context. If the desired context cannot be created for any reason, the exception is logged, and a null context is returned.

createRecord

public static MetricsRecord createRecord(MetricsContext context,
                         String recordName)

已过时。

Utility method to create and return new metrics record instance within the given context. This record is tagged with the host name.

参数:

context - the context

recordName - name of the record

返回:

newly created metrics record