bardock commented on issue #1886: Underreplicated ledgers did not refresh when 
bookie was recovered
URL: 
https://github.com/apache/incubator-pulsar/issues/1886#issuecomment-393893112
 
 
   Hello @sijie 
   In one of our clusters we currently have 21k ledgers marked as 
underreplicated. The bookie that went down has more than 300 GB of ledgers data.
   In that cluster, we have 20 bookies running bookkeeper 4.3.1.91-yahoo. Each 
bookie server runs in its own docker container, and another container in the 
same machines runs autorecovery. When autorecovery process is replicating, it 
affects bookie's response times because they share resources. We are planning 
to create a dedicated cluster for autorecovery, but that's going to take a 
while.
   In our current situation, we would like to regenerate the list of 
underreplicated ledgers, to avoid the replication process because they are 
already replicated to 3 bookies.
   Thanks!

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