Huawei Fusioninsight HD is the first domestic big data platform that complies with national financial and other garbage protection. Which of the following aspects is its security now?

In the HDFS mechanism, the NameNode is responsible for managing metadata. Each read request on the client side needs to read metadata information from the metadata disk of the NameNode to obtain the location of the read file in the DataNode.

Use the Hbase client to write 10 pieces of data in batches.
An HRegionServer node contains 2 Regions of the table, namely A and B.
6 of the 10 pieces of data belong to A and 4 belong to B.
Please write How many RPC requests need to be sent to HRegionServer for these 10 pieces of data?

The role of Channel is similar to a queue, which is used to temporarily buffer incoming data. When Sink successfully sends the data to the next-hop Channel or the final destination, the data will be removed from the Channel.

A user information table meg_table is saved in the HBase of Fusioninsight HD, Rowkey is the user id, and one of the columns is the user nickname. Now write three KeyValues in this column in order: 001:Li, 001:Mary, 001:Lily , May I ask scan' meg_table', (VERSION=>2) which data will be returned?