adityarverma opened a new pull request, #7577:
URL: https://github.com/apache/hadoop/pull/7577
…o observer state (#4201)
Signed-off-by: Erik Krogen <xkro...@apache.org>
Reviewed-by: Zengqiang Xu <xuzq_zan...@163.com>
(cherry picked from commit 8f971b0e5413b491a2c7043bd25b046777e07395)
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### Description of PR
Backports a feature to "block transition of namenode to observer state if it
is standby", back to branch-3.3 from trunk.
### How was this patch tested?
unit tests and build passing
### For code changes:
- [x] Does the title or this PR starts with the corresponding JIRA issue id
(e.g. 'HADOOP-17799. Your PR title ...')?
- [x] Object storage: have the integration tests been executed and the
endpoint declared according to the connector-specific documentation?
- [x] If adding new dependencies to the code, are these dependencies
licensed in a way that is compatible for inclusion under [ASF
2.0](http://www.apache.org/legal/resolved.html#category-a)?
- [x] If applicable, have you updated the `LICENSE`, `LICENSE-binary`,
`NOTICE-binary` files?
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