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有关 IoTDB 集群模式的疑问
#16515
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可以在这里看 |
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我在 IoTDB 的官网上没有找到集群模式太多的介绍,似乎只有一个基础规模(3C3D)的部署文档和负载均衡的文档,对于其中细节并未有太多的介绍,因此有些疑问,辛苦解答下
1)IoTDB 的主备分片是否能够切换,如果能,切换是依靠 configNode 进行的吗?
2)主备分片数据复制是同步还是异步的,副本数可以设置大于2吗?如果同步复制,必须写入所有副本才返回吗?
3)IotDB 分片的存储计算是一体的吗,如果主分片故障,备分片承担计算压力,是否会造成节点负载不均?以及负载均衡能否处理这种情况
4)扩缩容场景,是否能够快速将分片挪动到目标节点上,是否需要复制文件?
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