Bulk Operation

YARN-431 Log aggregation finish time should get logged for trouble shooting.

YARN-431 IOException in AppLogAggregatorImpl does not give stacktrace and leaves aggregated TFile in a bad state.

YARN-431 Yarn aggregated logs are difficult for external tools to understand

YARN-431 Ability to limit or avoid aggregating logs beyond a certain size

YARN-431 Documentation for Log Aggregation and log retrieval.

YARN-431 Log aggregation should not assume an AppMaster will have containerId 1

YARN-431 NM should limit number of applications who's logs are being aggregated

YARN-431 Page navigation support for container logs page and the logs web-service on NMs

YARN-431 NodeManager should serve logs directly if log-aggregation is not enabled

YARN-431 nodemanager log aggregation has scaling issues with namenode

YARN-431 Allow per job log aggregation configuration