| Package | Description | 
|---|---|
| org.apache.hadoop.yarn.server.timelineservice.collector | Package org.apache.hadoop.yarn.server.timelineservice.collector contains
 classes which can be used across collector. | 
| org.apache.hadoop.yarn.server.timelineservice.storage | Package org.apache.hadoop.yarn.server.timelineservice.storage contains
 classes which define and implement reading and writing to backend storage. | 
| Modifier and Type | Method and Description | 
|---|---|
| protected TimelineWriter | TimelineCollectorManager. getWriter() | 
| Modifier and Type | Method and Description | 
|---|---|
| protected void | TimelineCollector. setWriter(TimelineWriter w) | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | FileSystemTimelineWriterImplThis implements a FileSystem based backend for storing application timeline
 information. | 
| class  | NoOpTimelineWriterImplStub based implementation for TimelineWriter. | 
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