Building_on_quick_sand.pptx.pdf

Transcript

3. %Availability Per Year Per month Per day 99 3.65 days 7.2 hour 14.4 minutes 99.9 8.76 hours 43.8 minutes 1.44 minutes 99.99 52 minutes 4.38 munutes 9 seconds 99.999 5.26 minutes 25.9 seconds 0.8 seoncds
16. →
19. Read (“visitors”, score +1); Read Read Read Read Read Read Read Read (“season-runs”, stat + score); Read Strong Consistency See all previous writes. Eventual Consistency See subset of previous writes. Consistent Prefix See initial sequence of writes. Bounded Staleness See all “old” writes. Monotonic Reads See increasing subset of writes. Read My Writes See all writes performed by reader. Read My Writes Strong Consistency Consistent Prefix + Monotonic Freshness Bounded Staleness Strong Consistency Read My Writes Eventual Consistency
22. Oh, crap