~/talk

Big Data in Java World: Apache Spark and Scala. Arch and live coding

Talkat Java ON 2022 · 2022-10-17..10-20· [data-engineering, scala]
links:none on file
slides:none on file

Overview of hands‑on Apache Spark with Scala: covers architecture, client vs cluster driver/executor modes and live coding in Jupyter (Almond) using RDD / DataFrame / data set (typed) vs data frame APIs. Demonstrates reading and writing parquet columnar files, collapsing partitions to a single file, running a word‑count and joins, and statistical queries on a ~1M+ rows US flights dataset (2018) to compute correlation, group counts and averages — results run successfully and return Delta as the largest carrier.

AI-written summary · about

  1. 0:00Intro
  2. 4:21Overview
  3. 6:00What is Big Data
  4. 12:35What is Apache Spark
  5. 14:17Spark vs Hadoop
  6. 16:10Architecture
  7. 17:37Spark Session
  8. 18:43Spark Submit
  9. 19:33Spark Deploy Mode
  10. 21:04Spark Data Structures
  11. 22:06Spark Data Structure
  12. 25:15Spark Data Frame
  13. 25:43Spark Data Set
  14. 27:27DataFrame Functions
  15. 30:30Transformations
  16. 31:39Actions
  17. 32:04pandas vs Spark
  18. 33:36Spark with text files
  19. 34:11Row oriented vs column oriented
  20. 35:36Clickhouse tool
  21. 36:10Types of data formats
  22. 37:31Pocket
  23. 38:30Recap
  24. 38:52Formats
  25. 39:53Spark
  26. 40:26Scala
  27. 41:50Spark Context
  28. 42:15RDG
  29. 42:50RDG map
  30. 43:37RDG result
  31. 44:00RDG conversion
  32. 44:46Data Structure
  33. 46:13Single Partition
  34. 46:44File Function
  35. 47:43DataFrame
  36. 50:11Real life example
  37. 50:56Review
  38. 51:38Data scientists
  39. 52:05DataFrame to DataSet
  40. 52:30Typed Storage
  41. 52:53Imports
  42. 53:31Airport
  43. 53:46Correlation
  44. 54:49Extract Data
  45. 55:11Define Statistical Features
  46. 55:30Simple Statistical Features
~/search
type to search 6,249 conferences, 138,987 speakers and 185,172 talks
~/help
cmdctrl k
search every conference, speaker and series
/
focus the filter search
h
home
c
conferences
s
speakers
e
series
t
light / dark — the status bar button does the same
?
this help
esc
close this, then clear every filter — or just the search, while you are typing in it

Ignored while you are typing. Pages without a filter rail have no search to focus.