|
Generated by JDiff |
|||||||
PREV PACKAGE NEXT PACKAGE FRAMES NO FRAMES | DETAIL: REMOVED | ADDED | CHANGED |
Added Classes and Interfaces | |
|
Protocol for admin operations. |
|
The default implementation for controlling tasks. |
|
JobInProgress maintains all the info for keeping a Job on the straight and narrow. |
|
|
|
JobTrackerPlugins are found in mapred.jobtracker.plugins and are started and stopped by a PluginDispatcher during JobTracker start-up. |
|
|
|
A class that represents the communication between the tasktracker and child tasks w.r.t the map task completion events. |
|
Generic operation that maps to the dependent set of ACLs that drive the authorization of the operation. |
|
Base class for tasks. |
|
OutputCollector for the combiner. |
|
|
|
|
|
|
|
|
|
|
|
|
|
Controls initialization finalization and clean up of tasks and also the launching and killing of task JVMs. |
|
This is used for initializing the private localized files in distributed cache. |
|
NOTE: This class is internal only class and not intended for users |
|
TaskInProgress maintains all the info needed for a Task in the lifetime of its owning Job. |
|
The class for truncating the user logs. |
|
Describes the current status of a task. |
|
|
|
|
|
A TaskTrackerStatus is a MapReduce primitive. |
|
Class representing a collection of resources on this tasktracker. |
|
Protocol that task child process uses to contact its parent process. |
|
This is used only in UserLogManager to manage cleanup of user logs. |
|
A utility class. |
|
|
OutputFilesFilter |
This class filters output(part) files from the given directory It does not accept files with filenames _logs and _SUCCESS. |
OutputLogFilter |
This class filters log files from directory given It doesnt accept paths having _logs. |
Changed Classes | |
|
Status information on the current state of the Map-Reduce cluster. |
|
An OutputCommitter that commits files specified in job output directory i.e. |
|
This exception is thrown when jobconf misses some mendatory attributes or value of some attributes is invalid. |
|
JobClient is the primary interface for the user-job to interact with the JobTracker JobClient provides facilities to submit jobs track their progress access component-tasks' reports/logs get the Map-Reduce cluster status information etc. |
|
A map/reduce job configuration. |
|
Provides methods for writing to and reading from job history. |
|
Helper class for logging or reading back events related to job start finish or failure. |
|
Job history files contain key="value" pairs where keys belong to this enum. |
|
Describes the current status of a job. |
|
JobTracker is the central location for submitting and tracking MR jobs in a network environment. |
|
OutputCommitter describes the commit of task output for a Map-Reduce job. |
|
This class filters log files from directory given It doesnt accept paths having _logs. |
|
A simple logger to handle the task-specific user logs. |
|
A simple log4j-appender for the task child's map-reduce system logs. |
|
TaskTracker is a process that starts and tracks MR Tasks in a networked environment. |
|
||||||||
PREV PACKAGE NEXT PACKAGE FRAMES NO FRAMES |