[jira] [Updated] (YARN-321) [Umbrella] Generic application history service
[ https://issues.apache.org/jira/browse/YARN-321?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] chenlu1990js updated YARN-321: -- Priority: Minor (was: Major) > [Umbrella] Generic application history service > -- > > Key: YARN-321 > URL: https://issues.apache.org/jira/browse/YARN-321 > Project: Hadoop YARN > Issue Type: Improvement >Reporter: Luke Lu >Priority: Minor > Attachments: AHS Diagram.pdf, ApplicationHistoryServiceHighLevel.pdf, > Generic Application History - Design-20131219.pdf, HistoryStorageDemo.java > > > The mapreduce job history server currently needs to be deployed as a trusted > server in sync with the mapreduce runtime. Every new application would need a > similar application history server. Having to deploy O(T*V) (where T is > number of type of application, V is number of version of application) trusted > servers is clearly not scalable. > Job history storage handling itself is pretty generic: move the logs and > history data into a particular directory for later serving. Job history data > is already stored as json (or binary avro). I propose that we create only one > trusted application history server, which can have a generic UI (display json > as a tree of strings) as well. Specific application/version can deploy > untrusted webapps (a la AMs) to query the application history server and > interpret the json for its specific UI and/or analytics. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (YARN-321) [Umbrella] Generic application history service
[ https://issues.apache.org/jira/browse/YARN-321?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Zhijie Shen updated YARN-321: - Summary: [Umbrella] Generic application history service (was: Generic application history service) > [Umbrella] Generic application history service > -- > > Key: YARN-321 > URL: https://issues.apache.org/jira/browse/YARN-321 > Project: Hadoop YARN > Issue Type: Improvement >Reporter: Luke Lu > Attachments: AHS Diagram.pdf, ApplicationHistoryServiceHighLevel.pdf, > Generic Application History - Design-20131219.pdf, HistoryStorageDemo.java > > > The mapreduce job history server currently needs to be deployed as a trusted > server in sync with the mapreduce runtime. Every new application would need a > similar application history server. Having to deploy O(T*V) (where T is > number of type of application, V is number of version of application) trusted > servers is clearly not scalable. > Job history storage handling itself is pretty generic: move the logs and > history data into a particular directory for later serving. Job history data > is already stored as json (or binary avro). I propose that we create only one > trusted application history server, which can have a generic UI (display json > as a tree of strings) as well. Specific application/version can deploy > untrusted webapps (a la AMs) to query the application history server and > interpret the json for its specific UI and/or analytics. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
