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Posted to dev@bigtop.apache.org by "Evans Ye (JIRA)" <ji...@apache.org> on 2014/06/22 09:09:24 UTC

[jira] [Created] (BIGTOP-1347) Support better entropy performance on vagrant VMs

Evans Ye created BIGTOP-1347:
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             Summary: Support better entropy performance on vagrant VMs
                 Key: BIGTOP-1347
                 URL: https://issues.apache.org/jira/browse/BIGTOP-1347
             Project: Bigtop
          Issue Type: Improvement
          Components: Deployment
    Affects Versions: 0.7.0
            Reporter: Evans Ye
            Priority: Minor
             Fix For: 0.8.0


Currently the [vagrant-puppet|https://github.com/apache/bigtop/tree/master/bigtop-deploy/vm/vagrant-puppet] deployment use Virtualbox as VM provider. The visualized hardware in Virtualbox does not have good performance on entropy generation since such randomness often collected from hardware sources.
The poor entropy performance directly impact the use in cryptography or use that required random data, which in our case is kerberos. In order to test our code snipes for real world usage instead of suffering on virtual machines, we can improve the entropy performance on VMs using rng-tools when provisioning those test VMs.



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