Add file based data generation options to db_bench #10395
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Contributor
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I assume this branch is being updated multiple times daily by automation as I don't see anything changing. Will close this to save CI resources |
Contributor
Author
|
@ajkr Yes, this was being synced roughly once per day. Is it safe to merge changes into main branch? |
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Currently, db_bench populates a data store's values with randomly generated strings. This change adds two new options for generating data:
In the case of File Random, the actual compression ratio will have a larger delta from the target compression ratio compared to the delta achieved in the original randomization scheme. This is because any window of characters in a file will likely be more repeatable than a randomly generated string of the same size. In the case of "File Direct", the target compression ratio be ignored entirely because of the need to remain as close the original file contents as possible.
In addition to the two new options mentioned above, a third option called Pure Random is provided. This option is nothing but the original randomization scheme. It is set as the default option.