merlimat opened a new pull request #1521: Removed contention between producers on ManagedLedger addEntry URL: https://github.com/apache/incubator-pulsar/pull/1521 ### Motivation When there are multiple producers writing on the same topic and there are many entries/second (little batching), there can be thread contention when doing `managedLedger.addEntry()`. ### Modifications * Do the sync part of add entry from a thread hashed on the name of the managed ledger. ### Result This will remove the contention on both the `ManagedLedger` and the BK `LedgerHandler` mutexes.
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