H13-723_V2.0 Exam Dumps : HCIP-Big Data Developer V2.0

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The port preferentially downloads data from the nearest DataNode.

The port file data is first returned from the DataNode to the NameNode, and then downloaded from the NameNode to the client.

If the client and the connected DataNode fail while reading, the client will abandon the failure

node, to connect to the node where its replica is located.

The port supports multiple clients reading the same file data from the DataNode at the same time.

usehashstructure, and a table uses ahash key, a row in the table records forhash keyone offield.

usehashstructure, each row record of each table uses onehash key,hash keyoffieldThe fields of the corresponding table records,

and designKEYEach table adds a different prefix to distinguish it.

usestringstructure, each field of each row record of each table uses oneKEY.

usestringstructure, each row record of each table uses oneKEY,valueAll fields recorded for a row in a table? ? back

value of .