[jira] [Updated] (HBASE-16507) Procedure v2 - Force DDL operation to always roll forward

["Matteo Bertozzi (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-16507?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Matteo Bertozzi updated HBASE-16507:
------------------------------------
    Attachment: HBASE-16507-v0.patch

> Procedure v2 - Force DDL operation to always roll forward
> ---------------------------------------------------------
>
>                 Key: HBASE-16507
>                 URL: https://issues.apache.org/jira/browse/HBASE-16507
>             Project: HBase
>          Issue Type: Sub-task
>          Components: master, proc-v2
>    Affects Versions: 2.0.0
>            Reporter: Matteo Bertozzi
>            Assignee: Matteo Bertozzi
>            Priority: Minor
>             Fix For: 2.0.0
>
>         Attachments: HBASE-16507-v0.patch
>
>
> Having rollback for DDLs was a bad idea. 
> and it turns out to be an unexpected behavior for the user. 
> DDLs only have transient errors (e.g. zk, hdfs, meta down)
> if we abort/rollback on a transient failure the user will get a failure,
> and it is not clear why the user needs to retry the command when the system can do that.



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