Saswatibhoi commented on issue #7055:
URL: https://github.com/apache/pulsar/issues/7055#issuecomment-635445303


   > @Saswatibhoi
   > 
   > How do you deploy your pulsar cluster? Did you happen to run any 
bookkeeper commands like `metaformat` to format the bookkeeper metadata?
   
   For Bookkeepers, below is our deployment process,
   *Spin up new bookies in a new stack.
   *Update old bookies to readOnly.
   *Wait for 24 hours, as our max ttl is 24 hours.
   *Decommission the old bookies
   *Stop the services of the old bookies
   *Remove old stack.
   
   We don't use the metaformat command or bookieformat command in any 
circumtances.
   
   However, I was thinking, is it possible that the managed ledger cache 
eviction is not happening gracefully, and that ledger which the topic is trying 
to reach to is still there somewhere in the cache?


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