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Fork on Xen is extremely slow (Redis documentation) (redis.io)
3 points by antirez on April 12, 2012 | hide | past | favorite | 1 comment


Linux beefy VM on VMware:

    6.0GB RSS forked in 77 milliseconds
    (12.8 milliseconds per GB).
Linux running on physical machine (Unknown HW):

    6.1GB RSS forked in 80 milliseconds
    (13.1 milliseconds per GB)
Linux running on physical machine (Xeon @ 2.27Ghz):

    0.9GB RSS forked into 62 milliseconds
    (9 milliseconds per GB).
Linux VM on EC2 (Xen):

    6.1GB RSS forked in 1460 milliseconds
    (239.3 milliseconds per GB).
Linux VM on Linode (Xen):

    0.9GBRSS forked into 382 millisecodns
    (424 milliseconds per GB).




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