szetszwo opened a new pull request, #5974: URL: https://github.com/apache/hadoop/pull/5974
### Description of PR During rolling upgrade, datanode create a trash directory for each block pool. Then a block deletion becomes moving the block to trash. For bumpReplicaGS, it will rename the meta file and then continue writing to the block file. It should copy the original block file and the original meta file to trash in order to support rollback. See https://issues.apache.org/jira/browse/HDFS-17164 ### How was this patch tested? Added a new unit test. ### For code changes: - [X] Does the title or this PR starts with the corresponding JIRA issue id (e.g. 'HADOOP-17799. Your PR title ...')? - [ NA ] Object storage: have the integration tests been executed and the endpoint declared according to the connector-specific documentation? - [ NA ] 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)? - [ NA ] If applicable, have you updated the `LICENSE`, `LICENSE-binary`, `NOTICE-binary` files? -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
