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Posted to oak-issues@jackrabbit.apache.org by "Michael Dürig (JIRA)" <ji...@apache.org> on 2018/12/04 15:08:00 UTC
[jira] [Commented] (OAK-7234) Check for outdated journal at startup
[ https://issues.apache.org/jira/browse/OAK-7234?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16708831#comment-16708831 ]
Michael Dürig commented on OAK-7234:
------------------------------------
[~frm], now that OAK-7866 is resolved, would it make sense to take this one up again?
> Check for outdated journal at startup
> -------------------------------------
>
> Key: OAK-7234
> URL: https://issues.apache.org/jira/browse/OAK-7234
> Project: Jackrabbit Oak
> Issue Type: Improvement
> Components: segment-tar
> Reporter: Michael Dürig
> Assignee: Michael Dürig
> Priority: Minor
> Labels: resilience, tooling
> Fix For: 1.10
>
>
> To prevent accidentally branching the repository when the {{journal.log}} became outdated (e.g. OAK-3702) we could add an additional safety feature which would prevent the repository from starting in such cases. There's a couple of concerns to address:
> * What kind of tooling / guidance do we need to provide to recover should such a situation be detected?
> * How do we detect the {{journal.log}} being outdated?
> * How do we prevent false positives?
> * How do we deal with situation where the {{journal.log}} modifications are intended (e.g. by tools, of manual interventions)?
>
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