[jira] [Comment Edited] (BOOKKEEPER-629) Support hostname based ledger metadata to help users to change IP with exitsting installation

["Sijie Guo (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/BOOKKEEPER-629?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13693561#comment-13693561 ] 

Sijie Guo edited comment on BOOKKEEPER-629 at 6/26/13 1:19 AM:
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the patch looks fine. you also need to add backward compatible tests.

1. new version bookie starts with the cookies generated by old version.
2. old version bookie starts with the cookies generated by new version (with useHostName)
3. old client should works correctly if new bookie starts with useHostName
4. old client should read the ledger metadata written by new client with useHostName
5. old client should be able to do bookie recovery the host (recorded using useHostName in ledgermetadata)
                
      was (Author: hustlmsp):
    the patch looks fine. you also need to add backward compatible tests.

1. new version bookie starts with the cookies generated by old version.
2. old version bookie starts with the cookies generated by new version (with useHostName)
3. old client should works correctly if new bookie starts with useHostName
4. old client should read the ledger metadata written by new client with useHostName
                  
> Support hostname based ledger metadata to help users to change IP with exitsting installation
> ---------------------------------------------------------------------------------------------
>
>                 Key: BOOKKEEPER-629
>                 URL: https://issues.apache.org/jira/browse/BOOKKEEPER-629
>             Project: Bookkeeper
>          Issue Type: Improvement
>          Components: bookkeeper-client, bookkeeper-server
>    Affects Versions: 4.2.1, 4.3.0
>            Reporter: Vinay
>            Assignee: Rakesh R
>             Fix For: 4.3.0
>
>         Attachments: 1-BOOKKEEPER-629.patch, 2-BOOKKEEPER-629.patch, 3-BOOKKEEPER-629.patch, 4-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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