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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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Answer» When you alter the BLOCK size of the column family, the NEW data occupies the new block size while the old data remains within the old block size. During data compaction, old data will take the new block size. New files as they are flushed, have a new block size whereas existing data will CONTINUE to be READ correctly. All data should be transformed to the new block size, after the next major compaction. When you alter the block size of the column family, the new data occupies the new block size while the old data remains within the old block size. During data compaction, old data will take the new block size. New files as they are flushed, have a new block size whereas existing data will continue to be read correctly. All data should be transformed to the new block size, after the next major compaction. |
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