February 2022
Intermediate to advanced
360 pages
11h 47m
Polish
Content preview from Spark
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Rozdział 7. Optymalizacja i dostrajanie aplikacji Sparka
W poprzednim rozdziale omówiliśmy sposoby pracy z egzemplarzem Dataset w językach Java i Scala. Wyjaśniliśmy również, jak Spark zarządza pamięcią w celu wykorzystania egzemplarza Dataset jako części ujednoliconego API wysokiego poziomu w Sparku. Omówiliśmy także pewien koszt związany z używaniem egzemplarzy Dataset i pokazaliśmy, jak można go obniżyć.
Pomijając kwestię obniżanie kosztu, warto również zastanowić się nad tym, jak zoptymalizować i dostroić Sparka. W tym rozdziale przedstawimy zbiór konfiguracji Sparka umożliwiających zastosowanie optymalizacji, zajmiemy się strategiami złączeń w Sparku, omówimy Spark UI, a także pokażemy, jak szukać wskazówek sugerujących nieprawidłowe zachowanie ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.