jm + switch   3

The best Mario Kart character according to data science
Unless you’re going all-in on acceleration, it looks like a heavy character is the way to go; the two heaviest character classes (Wario and Donkey Kong) account for 11/15 of the Pareto-optimal configurations.


Wario/Sports Bike/Slick or Wario/Gold Standard/Slick get the top billing!
wario  nintendo  mario-kart  games  wii  switch 
june 2018 by jm
TCP incast
a catastrophic TCP throughput collapse that occurs as the number of storage servers sending data to a client increases past the ability of an Ethernet switch to buffer packets. In a clustered file system, for example, a client application requests a data block striped across several storage servers, issuing the next data block request only when all servers have responded with their portion (Figure 1). This synchronized request workload can result in packets overfilling the buffers on the client's port on the switch, resulting in many losses. Under severe packet loss, TCP can experience a timeout that lasts a minimum of 200ms, determined by the TCP minimum retransmission timeout (RTOmin).
incast  networking  performance  tcp  bandwidth  buffering  switch  ethernet  capacity 
november 2014 by jm

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