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https://issues.apache.org/jira/browse/BOOKKEEPER-629?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13990735#comment-13990735
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Ivan Kelly commented on BOOKKEEPER-629:
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upgrading the bookie cookie should be a manual operation initiated by the
admin. if we do it automatically, we create a version trapdoor whereby if you
upgrade to 4.3.0, you can never roll back to 4.2.x if you find errors. The tool
to update the cookie should be run from the bookie (the on disk cookie needs to
be updated also). The tool should ensure that autoreplication is disabled,
ensure that the bookie is down, then update the cookie on disk and in the
metadata store, then update all ledgers which contain the bookie to have the
new version.
@rakesh, can old clients read from ledgers with hostname based replicas?
> Support hostname based ledger metadata to help users to change IP with
> existing installation
> --------------------------------------------------------------------------------------------
>
> Key: BOOKKEEPER-629
> URL: https://issues.apache.org/jira/browse/BOOKKEEPER-629
> Project: Bookkeeper
> Issue Type: Sub-task
> Components: bookkeeper-auto-recovery, bookkeeper-client,
> bookkeeper-server
> Affects Versions: 4.2.1
> Reporter: Vinayakumar B
> Assignee: Rakesh R
> Fix For: 4.3.0
>
> Attachments: 1-BOOKKEEPER-629.patch, 10-BOOKKEEPER-629.patch,
> 11-BOOKKEEPER-629.patch, 2-BOOKKEEPER-629.patch, 3-BOOKKEEPER-629.patch,
> 4-BOOKKEEPER-629.patch, 5-BOOKKEEPER-629.patch, 6-BOOKKEEPER-629.patch,
> 7-BOOKKEEPER-629.patch, 9-BOOKKEEPER-629.patch
>
>
> Register the bookie with *hostname:port* and also store the bookie addresses
> as *hostname:port* in ledger metadata files instead of *ip:port*
> This will help users to change the machine IP if they want without loosing
> their data.
> Supporting hostname based installation/functionality is one of the important
> requirement of users.
> Any thoughts?
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