[GitHub] [bookkeeper] jiazhai commented on issue #1968: Tool to search and replace bookie ids in ledger metadata

[GitBox <gi...@apache.org>]

jiazhai commented on issue #1968: Tool to search and replace bookie ids in ledger metadata
URL: https://github.com/apache/bookkeeper/pull/1968#issuecomment-471380267
 
 
   @ivankelly 
   Is it good to add your use case into the PR description? 
   ```
   The usecase is that a client needed to update the DNS addresses of their bookies. The data already existed on the bookie, but the DNS and advertised address was changing (I had to update the cookies manually with sed, it was a stateful set in k8s). I wanted to avoid autorecovery trying to recovery every existing ledger, since the data was still where it should have been.
   
   updateledgers does exist, but it's very limited. It only allows changing from ip to hostname or vice versa based on what is in the configuration file. Even on baremetal, this is awkward to use, but on k8s it's completely non-viable.
   ```

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