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Cadey Ratio 2017-01-25 12:20:00 -08:00
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@ -19,6 +19,8 @@ Questions
4. Our support team suggests that an average response time > 2 seconds is much too slow. How would you write a program that read the output file and printed "​HOST <host> IS TOO SLOW AT <TIMESTAMP>.​" if the last 5, 1 minute summaries for a host were greater than 2 seconds?
5. In the real world, we don’t have guarantees about clock monotonicity, and we see data arrive ​late_ . That is to say that there is no hard guarantee that, for ​L_ =request log line number and ​T_=the timestamp, ​T.sub(L-1)_ is chronologically less than ​T.sub(L)_. Describe a way in which your program could handle request logs that arrive up to ​N​ minutes late. What is the impact on memory usage, and “downstream” services such as the “SLOW RESPONSE TIME” program discussed above?
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