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    Details

    • Type: Sub-task
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 2.9.1
    • Fix Version/s: 3.3.0
    • Component/s: fs/s3
    • Labels:
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      Description

      We have found that when running the S3AFileSystem, it picks GCM as the ssl cipher suite. Unfortunately this is well known to be slow on java 8: https://stackoverflow.com/questions/25992131/slow-aes-gcm-encryption-and-decryption-with-java-8u20.

       

      In practice we have seen that it can take well over 50% of our CPU time in spark workflows. We should add an option to set the list of cipher suites we would like to use.

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