[GitHub] ivankelly commented on issue #712: Issue 544: Bootup cookie validation considers an empty journal to signify a new bookie

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

ivankelly commented on issue #712: Issue 544: Bootup cookie validation considers an empty journal to signify a new bookie
URL: https://github.com/apache/bookkeeper/pull/712#issuecomment-344049114
 
 
   For me, this algorithm should look like.
   {code}
   // read zk cookie
   
   if (zk cookie is null) {
       // new directories should be empty
       // add cookie to all dirs and zk
   } else if (master is superset of zk cookie and expansion enabled) {
       // old directories should match zk cookie
       // new directories should be empty
       // add master cookie to all dirs and zk
   } else if (cookie needs upgrade) {
       // verify that zk cookie matches all dirs
       // add new cookie to add dirs and zk
   }
   
   // verify that zk cookie matches all dirs
   {code}

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