程序包 | 说明 |
---|---|
org.apache.hadoop.hdfs.server.datanode.metrics | |
org.apache.hadoop.hdfs.server.namenode | |
org.apache.hadoop.hdfs.server.namenode.metrics | |
org.apache.hadoop.ipc.metrics | |
org.apache.hadoop.mapred |
A software framework for easily writing applications which process vast
amounts of data (multi-terabyte data-sets) parallelly on large clusters
(thousands of nodes) built of commodity hardware in a reliable, fault-tolerant
manner.
|
org.apache.hadoop.metrics2 |
Metrics 2.0
|
org.apache.hadoop.metrics2.impl | |
org.apache.hadoop.metrics2.lib | |
org.apache.hadoop.metrics2.source |
限定符和类型 | 类和说明 |
---|---|
class |
DataNodeInstrumentation |
限定符和类型 | 类和说明 |
---|---|
class |
FSNamesystem
FSNamesystem does the actual bookkeeping work for the
DataNode.
|
限定符和类型 | 类和说明 |
---|---|
class |
NameNodeInstrumentation |
限定符和类型 | 类和说明 |
---|---|
class |
RpcInstrumentation
The RPC metrics instrumentation
|
static class |
RpcInstrumentation.Detailed
Use a separate source for detailed (per call) RPC metrics for
easy and efficient filtering
|
限定符和类型 | 方法和说明 |
---|---|
MetricsSource |
RpcInstrumentation.detailed() |
限定符和类型 | 类和说明 |
---|---|
class |
TaskTrackerMetricsSource
Instrumentation for metrics v2
|
限定符和类型 | 方法和说明 |
---|---|
<T extends MetricsSource> |
MetricsSystem.register(String name,
String desc,
T source)
Register a metrics source
|
限定符和类型 | 方法和说明 |
---|---|
<T extends MetricsSource> |
MetricsSystemImpl.register(String name,
String desc,
T source) |
限定符和类型 | 类和说明 |
---|---|
class |
AbstractMetricsSource
A convenient base class for writing metrics sources
|
限定符和类型 | 方法和说明 |
---|---|
<T extends MetricsSource> |
DefaultMetricsSystem.register(String name,
String desc,
T source) |
static <T extends MetricsSource> |
DefaultMetricsSystem.registerSource(String name,
String desc,
T source)
Common static method to register a source
|
限定符和类型 | 类和说明 |
---|---|
class |
JvmMetricsSource |
Copyright © 2009 The Apache Software Foundation