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https://issues.apache.org/jira/browse/OAK-3294?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14713045#comment-14713045
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Francesco Mari commented on OAK-3294:
-------------------------------------
[~alex.parvulescu], the patch looks good to me. I would add {{compact()}} and
{{maybeCompact()}} to {{ReadOnlyStore}} as no-op operations, because these
methods are conceptually associated to a change in the {{FileStore}} on the
file system.
I'm also not sure the methods overridden in {{ReadOnlyStore}} should be
implemented as no-op, or they should perform some more meaningful action, such
as writing a log message or throwing an {{UnsuportedOperationException}} when
called. I'm in favour of throwing an exception.
> Read-only live FileStore implementation
> ---------------------------------------
>
> Key: OAK-3294
> URL: https://issues.apache.org/jira/browse/OAK-3294
> Project: Jackrabbit Oak
> Issue Type: Improvement
> Components: segmentmk
> Reporter: Alex Parvulescu
> Assignee: Alex Parvulescu
> Priority: Minor
> Attachments: OAK-3294.patch
>
>
> Having a read-only FileStore able to work on a running (live) FileStore would
> open the door for some interesting data collection & debugging tools that no
> longer need the repository to be shut down.
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