yiguolei opened a new issue #1782: New stateless BE design or share storage architecture URL: https://github.com/apache/incubator-doris/issues/1782 1. In the cloud, VM's local disk is not very stable, for example the VM may crashed and the cloud provider will replace the VM using another VM so that data on local disk is lost. AWS call local disk "Instance Store". It is not durable. Although there is replication mechanism in doris but if the ZONE crashed all data maybe lost. 2. Currently, Doris uses CDS or EBS as local store, it is very expensive. 3. Doris's MPP architecture is not very ELASTIC. It means add or remove nodes from the cluster needs a lot of time. Many analytics query will run at daytime and not run at night. Users could remove nodes at night if it is quickly but it could not currently.
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