Answer / Poonam Shreshtha

HBase fsck (File System Check) is a command-line utility used to verify the consistency of an HBase table's metadata and data. It checks for errors in the HFile format, missing or corrupted files, inconsistent row keys, etc.

What are the fundamental key structures of HBase?

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Mention what are the three types of tombstone markers in hbase?

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What are the operational commands of HBase?

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How does bloom filter help in searching rows?

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What is the use of ycsb?

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What is the use of get() method?

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What is a bloom filter and how does it help in searching rows?

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Explain what happens if you alter the block size of a column family on an already occupied database?

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Should the region server be located on all DataNodes?

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Explain the data model of hbase.

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why use hcolumndescriptor class?

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Explain MemStore?

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