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Update Kafka深入理解分区副本机制.md

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heibaiying 2019-05-29 15:45:35 +08:00 committed by GitHub
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notes/Kafka深入理解分区副本机制.md
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@ -132,7 +132,8 @@ public long transferFrom(FileChannel fileChannel, long position, long count) thr
基于以上原因，如果你在一个单节点上创建一个3副本的主题，通常会抛出下面的异常：
```properties
Error while executing topic command : org.apache.kafka.common.errors.InvalidReplicationFactor Exception: Replication factor: 3 larger than available brokers: 1.
Error while executing topic command : org.apache.kafka.common.errors.InvalidReplicationFactor
Exception: Replication factor: 3 larger than available brokers: 1.
```
### 4.2 分区数据保留规则