Spark's intermediate data is stored in memory, which is more efficient for iterative calculations and batch calculations, and has higher latency.

In the MRS service, the unavailability of the Zookeeper service will lead to the unavailability of the kafka service.

MOB data in HBase is directly stored in HFile format on HDFS, and then the address information and size information of this file are stored as value on the store that manages HBase, and these files are managed centrally through tools. This can greatly reduce HBase's compression and split frequency and improve performance.

When using the configuration planning tool to plan the Fusioninsight HD V100R002C50 cluster, you can use the V100R2002C60 configuration planning tool to plan.

When FusionInsight Manager is connected to an external management platform, which interfaces are supported? (Multiple choice)