[HN Gopher] Consistency, convergence, and confluence are not the...
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       Consistency, convergence, and confluence are not the same
        
       Author : acqq
       Score  : 43 points
       Date   : 2021-09-29 08:56 UTC (2 days ago)
        
 (HTM) web link (queue.acm.org)
 (TXT) w3m dump (queue.acm.org)
        
       | ignoramous wrote:
       | Pat Helland is one of the foremost experts on the topic.
       | 
       | I can see parallels of his _Tandem NonStop_ system [0] in
       | Cloudflare 's Durable Objects. Helland was a resident distributed
       | systems expert at Amazon and was explicitly thanked in the Dynamo
       | paper by its authors.
       | 
       | [0] https://queue.acm.org/detail.cfm?id=3025012
        
       | reilly3000 wrote:
       | This was a great article. I wished he devoted some time to Time,
       | as it is a critical factor in sequential distributed consensus.
       | Databases like CalvinDB or blockchains like Cardano absolutely
       | depends on accurate system time to ensure ordered consistency.
       | It's an operations problem really, but if done wrong it becomes
       | everyone's problem.
        
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       (page generated 2021-10-01 23:01 UTC)