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https://issues.apache.org/jira/browse/YARN-5355?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vrushali C updated YARN-5355:
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Release Note:
We are releasing the alpha2 version of a major revision of YARN Timeline
Service: v.2. YARN Timeline Service v.2 addresses two major challenges:
improving scalability and reliability of Timeline Service, and enhancing
usability by introducing flows and aggregation.
YARN Timeline Service v.2 alpha1 was introduced in 3.0.0-alpha1 via YARN-2928.
YARN Timeline Service v.2 alpha2 is now being provided so that users and
developers can test it and provide feedback and suggestions for making it a
ready replacement for Timeline Service v.1.x. Security is provided via Kerberos
Authentication and delegation tokens. There is also a simple read level
authorization provided via whitelists.
Some of the notable improvements since alpha-1 are:
- Security via Kerberos Authentication and delegation tokens
- Read side simple authorization via whitelist
- Client configurable entity sort ordering
- New REST APIs for apps, app attempts, containers, fetching metrics by
timerange, pagination, sub-app entities
- Support for storing sub-application entities (entities that exist outside the
scope of an application)
- Configurable TTLs (time-to-live) for tables, configurable table prefixes,
configurable hbase cluster
- Flow level aggregations done as dynamic (table level) coprocessors
- Uses latest stable HBase release 1.2.6
More details are available in the [YARN Timeline Service
v.2](./hadoop-yarn/hadoop-yarn-site/TimelineServiceV2.html) documentation.
> YARN Timeline Service v.2: alpha 2
> ----------------------------------
>
> Key: YARN-5355
> URL: https://issues.apache.org/jira/browse/YARN-5355
> Project: Hadoop YARN
> Issue Type: New Feature
> Components: timelineserver
> Reporter: Sangjin Lee
> Assignee: Vrushali C
> Priority: Critical
> Attachments: Timeline Service v2_ Ideas for Next Steps.pdf,
> YARN-5355-branch-2.01.patch
>
>
> This is an umbrella JIRA for the alpha 2 milestone for YARN Timeline Service
> v.2.
> This is developed on feature branches: {{YARN-5355}} for the trunk-based
> development and {{YARN-5355-branch-2}} to maintain backports to branch-2. Any
> subtask work on this JIRA will be committed to those 2 branches.
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