sijie commented on issue #1981: Poor autorecovery performance on dedicated hosts URL: https://github.com/apache/incubator-pulsar/issues/1981#issuecomment-398196526 @bardock so I think it is throttled by this setting: https://github.com/yahoo/bookkeeper/blob/yahoo-4.3/bookkeeper-server/src/main/java/org/apache/bookkeeper/conf/AbstractConfiguration.java#L189 `rereplicationEntryBatchSize` that says if you have 15 instances running autorecovery, for each instance it will only replicate one ledger at a time, for replicating a ledger, it will only replicate `rereplicationEntryBatchSize` at a time. I would suggest you increase this `rereplicationEntryBatchSize` to a larger value to speed up the recovery process. However you might consider doing some calculation to not use all the network bandwidth for rereplication.
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