What happens when the block scanner detects a corrupt data block?

What happens when the block scanner detects a corrupt data block?

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: easy

标签: interviewbit, data-engineer, topic-specific, data-engineering

参考答案摘要

The following steps occur when the block scanner detects a corrupt data block: First and foremost, when the Block Scanner detects a corrupted data block, DataNode notifies NameNode. NameNode begins th...

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