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The SSL performance overhead in MongoDB and MySQL

How to use MongoDB with SSL:

As you can see the SSL overhead is clearly visible being about 0.05ms slower than a plain connection. The median for the inserts with SSL is 0.28ms. Plain connections have a median at around 0.23ms. So there is a performance loss of about 25%. These are all just rough numbers. Your mileage may vary.

Then 2 posts on “MySQL Performance Blog“: SSL Performance Overhead in MySQL and MySQL encryption performance, revisited:

Some of you may recall my security webinar from back in mid-August; one of the follow-up questions that I was asked was about the performance impact of enabling SSL connections. My answer was 25%, based on some 2011 data that I had seen over on yaSSL’s website, but I included the caveat that it is workload-dependent, because the most expensive part of using SSL is establishing the connection.

These 2 articles are diving much deeper and more scientifically into the impact of using SSL with MySQL. The results are interesting and the recommendations are well worth spending the time reading them.

Original title and link: The SSL performance overhead in MongoDB and MySQL (NoSQL database©myNoSQL)