Package | Description |
---|---|
org.apache.giraph.conf |
Package of Giraph configuration related things.
|
org.apache.giraph.master |
Package of all the master related things.
|
org.apache.giraph.utils |
Package of all generic utility classes.
|
Modifier and Type | Field and Description |
---|---|
static ClassConfOption<MasterObserver> |
GiraphConstants.MASTER_OBSERVER_CLASSES
Classes for Master Observer - optional
|
Modifier and Type | Method and Description |
---|---|
MasterObserver[] |
ImmutableClassesGiraphConfiguration.createMasterObservers(org.apache.hadoop.mapreduce.Mapper.Context context)
Create array of MasterObservers.
|
Modifier and Type | Method and Description |
---|---|
void |
GiraphConfiguration.addMasterObserverClass(Class<? extends MasterObserver> masterObserverClass)
Add a MasterObserver class (optional)
|
Modifier and Type | Class and Description |
---|---|
class |
DefaultMasterObserver
A no-op implementation of MasterObserver to make it easier for users.
|
Modifier and Type | Class and Description |
---|---|
class |
JMapHistoDumper
An observer for both worker and master that periodically dumps the memory
usage using jmap tool.
|
class |
LogVersions
Logs versions of Giraph dependencies on job start.
|
class |
ReactiveJMapHistoDumper
An observer for both worker and master that periodically checks if available
memory on heap is below certain threshold, and if found to be the case
dumps jmap -histo for the process
|
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