Comments (4)
Doesn't really make sense, kafka does rebalance step-by-step anyway. It process one partition and updates znode. When there is nothing left - removes it.
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@CyberDem0n In some situations it may help. For example - bubuku have minimum step time - 0.5 seconds. That means, that if partition migration takes less time, than it's better to migrate several partitions at a time.
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Well, renamed task. There are problems with rebalance, and they should be fixed:
- Rebalance should do as less steps as it's possible (do not move data that should not be moved)
- Leaders should be balanced having in mind that there must be different leaders for partitions in single topic.
- During fatboyslim only replicas should be moved. Leaders should remain in the same position
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Closed in favor of #63
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Related Issues (20)
- Wrong change name representation
- Extend logging for CheckBrokerChange
- Create possibility to force rebalance process HOT 1
- Rebalance is not processing after broker restart HOT 1
- Swap partitions feature is not working correctly
- Optimize work with zookeeper
- Prepare dev infrastructure HOT 1
- Create possibility to migrate data from brokers to brokers. HOT 1
- Bubuku dies on any exception and terminates kafka instance
- graceful_terminate is not working in some cases
- Kafka start timeout should be configurable
- In case of network error it may happend that bubuku won't start
- Allow to list current actions on all the brokers
- Allow to cancel currently running actions
- Improve the rebalace: old nodes should only give away partitions, not obtain new ones HOT 1
- Issue with rebalancing
- Fat partition to slim migration should take into account only replicas HOT 1
- Exception when trying to call `migrate` HOT 5
- use pre-generated broker.id from metadata.properties HOT 1
- swap-partitions should not be executed until all size stats are refreshed since previous run
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