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The loading of keystore in Windows is very slow. It takes around 10 seconds to load all keystore in Window-My. I came across a few similar topics I encountered in stackoverflow, like this. I also tried to edit SecureRandom property like this post. All solutions are ineffective. Here is my code to load keystore in Windows: SunMSCAPI providerMSCAPI = new SunMSCAPI(); KeyStore ks =...

Most of the time, just keep it simple. Combine your composite keys into a string key for storage in a map or cache if that is the easiest option and performance is not a major concern. In scenarios where performance is critical, make sure to do your own testing. But using nested maps will be the most performant in most cases. It will also...