cbornet opened a new pull request #3171: Add bookkeeperClientRegionawarePolicyEnabled and bookkeeperClientReor… URL: https://github.com/apache/pulsar/pull/3171 …derReadSequenceEnabled config parameters Fix #3119 ### Motivation This allows to configure region-aware policy and read-reordering so that brokers first read on bookies of their own region. ### Modifications * Added parameters: ``` # Enable region-aware bookie selection policy. BK will chose bookies from # different regions and racks when forming a new bookie ensemble # If enabled, the value of bookkeeperClientRackawarePolicyEnabled is ignored bookkeeperClientRegionawarePolicyEnabled=false # Enable/disable reordering read sequence on reading entries. bookkeeperClientReorderReadSequenceEnabled=false ``` * Fixed bug in `ZkBookieRackAffinityMapping`: the value set to `racksWithHost` by `deserialize() was overriden by the affectation in `setConf()`. The fix just moves the hostname workaround in `setConf()`. ### Result Users can enable `bookkeeperClientRegionawarePolicyEnabled` and `bookkeeperClientReorderReadSequenceEnabled` to make brokers read on bookies of their own region
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