Comment on From 1.5 GB to 50 MB: The Story of my Redis DatabaseparentComments−badgar13yThis isn't a Fermi problem. It's analysis. Math.How many keys do you have? Not something you should guess.How many bytes per key are you saving? Not something you should guess.−ihsw13yThe 10MB difference can be attributed to fragmentation, so the savings may in fact be zero. In such systems mathematical estimates don't always reflect reality so real testing would be more expedient and appropriate.
Comments
This isn't a Fermi problem. It's analysis. Math.
How many keys do you have? Not something you should guess.
How many bytes per key are you saving? Not something you should guess.
The 10MB difference can be attributed to fragmentation, so the savings may in fact be zero. In such systems mathematical estimates don't always reflect reality so real testing would be more expedient and appropriate.