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

Question Posted / pallav sharma


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

Answer / Raj Kumar Baghel

Changing the block size of a column family in an already occupied HBase database will trigger a compaction process. This process reorganizes the data blocks to adjust to the new block size, which might impact performance briefly due to data movement and temporary resource usage.

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