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Posted to notifications@couchdb.apache.org by GitBox <gi...@apache.org> on 2023/01/20 17:09:51 UTC

[GitHub] [couchdb] janl opened a new issue, #4396: Add comments to mixed-cluster upgrade code

janl opened a new issue, #4396:
URL: https://github.com/apache/couchdb/issues/4396

   Via https://github.com/apache/couchdb/pull/4394#pullrequestreview-1263473784
   
   It’d be nice if we tagged code that can be removed after we can expect everybody to have gone through a rolling cluster upgrade with the version number at which it can be removed, so we can semi-automate cleaning up said code.
   
   We could decide to make it a promise that if someone wants to do a rolling upgrade from N-1 to N, that if they are on the latest N-1 release that they can upgrade safely and that N no longer has the upgrade code. But all versions inside N-1 can be rolling-upgraded. 
   
   That would reflect reality, especially outside IBM/Cloudant, where folks don’t track each and every CouchDB version.
   
   cc @mikerhodes 


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