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https://issues.apache.org/jira/browse/BOOKKEEPER-199?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13266846#comment-13266846
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Flavio Junqueira commented on BOOKKEEPER-199:
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One option I see is to have the bookie removing itself from the list of
available bookies in zookeeper so that the administrator is able to determine
that the bookie has declared itself faulty. The administrator can be notified
of the change through a zookeeper watcher. In the meanwhile, the bookie is able
to respond to read requests for which it has data. How does it sound?
Let me say that I don't feel strongly about making the bookie read-only, but
I'm ok with it if others feel it is important.
> Provide bookie readonly mode, when journal/ledgers flushing has failed with
> IOE
> -------------------------------------------------------------------------------
>
> Key: BOOKKEEPER-199
> URL: https://issues.apache.org/jira/browse/BOOKKEEPER-199
> Project: Bookkeeper
> Issue Type: Sub-task
> Components: bookkeeper-server
> Affects Versions: 4.0.0
> Reporter: Rakesh R
> Assignee: Rakesh R
> Priority: Critical
> Fix For: 4.2.0
>
> Attachments: BOOKKEEPER-199.patch
>
>
> Bookkeeper should change to readonly(r-o) mode when the journal/ledgers
> flushing has failed with IOException. Later on, reject write requests on
> server side and will accept only the read requests from the clients, because
> even if flushing fails, the data in the bookie which has been flushed is
> still valid.
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