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The Performance Impact Of Linux Disk Encryption On Ubuntu 14.04 LTS

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  • #31
    Originally posted by Luke View Post
    I'm not sure how Ubuntu handles swap when the "encrypted user's home directory" is selected. I generally set up encryption manually onto pre-prepared encrypted partitions.
    If you enable ecryptfs, it also encrypts the swap partition automatically. Or does on the version on my netbook.

    There was definitely a big performance hit with the original Ubuntu install on that machine (benchmarked around 12MB/s after encrypting, AFAIR), but that was before some optimizations which reduced the number of encryptions and decryptions the kernel performed.

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