What are the two messages that NameNode gets from DataNode?

题目类型: 技术面试题

这是一道技术面试题，常见于澳洲IT公司面试中。

难度: medium

标签: Data Engineer

参考答案摘要

NameNodes gets information about the data from DataNodes in the form of messages or signals. The two signs are: Block report signals which are the list of data blocks stored on DataNode and its functi...

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