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https://issues.apache.org/jira/browse/HADOOP-15891?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17169705#comment-17169705
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Hadoop QA commented on HADOOP-15891:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m
0s{color} | {color:blue} Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red} 0m 15s{color}
| {color:red} HADOOP-15891 does not apply to trunk. Rebase required? Wrong
Branch? See https://wiki.apache.org/hadoop/HowToContribute for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | HADOOP-15891 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12952430/HADOOP-15891.015.patch
|
| Console output |
https://ci-hadoop.apache.org/job/PreCommit-HADOOP-Build/12/console |
| versions | git=2.17.1 |
| Powered by | Apache Yetus 0.12.0 https://yetus.apache.org |
This message was automatically generated.
> Provide Regex Based Mount Point In Inode Tree
> ---------------------------------------------
>
> Key: HADOOP-15891
> URL: https://issues.apache.org/jira/browse/HADOOP-15891
> Project: Hadoop Common
> Issue Type: New Feature
> Components: fs
> Reporter: zhenzhao wang
> Assignee: zhenzhao wang
> Priority: Major
> Attachments: HADOOP-15891.015.patch, HDFS-13948.001.patch,
> HDFS-13948.002.patch, HDFS-13948.003.patch, HDFS-13948.004.patch,
> HDFS-13948.005.patch, HDFS-13948.006.patch, HDFS-13948.007.patch,
> HDFS-13948.008.patch, HDFS-13948.009.patch, HDFS-13948.011.patch,
> HDFS-13948.012.patch, HDFS-13948.013.patch, HDFS-13948.014.patch, HDFS-13948_
> Regex Link Type In Mont Table-V0.pdf, HDFS-13948_ Regex Link Type In Mount
> Table-v1.pdf
>
>
> This jira is created to support regex based mount point in Inode Tree. We
> noticed that mount point only support fixed target path. However, we might
> have user cases when target needs to refer some fields from source. e.g. We
> might want a mapping of /cluster1/user1 => /cluster1-dc1/user-nn-user1, we
> want to refer `cluster` and `user` field in source to construct target. It's
> impossible to archive this with current link type. Though we could set
> one-to-one mapping, the mount table would become bloated if we have thousands
> of users. Besides, a regex mapping would empower us more flexibility. So we
> are going to build a regex based mount point which target could refer groups
> from src regex mapping.
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