May 2017
Intermediate to advanced
358 pages
10h 4m
English
Content preview from High Performance SparkBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.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.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.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.
Index
Symbols
- ! (negation) operator, Simple DataFrame transformations and SQL expressions
- !== (not equal) operator, Simple DataFrame transformations and SQL expressions
- $ operator, using for column lookup, Simple DataFrame transformations and SQL expressions
- === (equality) operator, Simple DataFrame transformations and SQL expressions
A
- accumulators, Accumulators
- interaction with caching, Interaction with Accumulators
- streaming high availability mode, High Availability Mode (or Handling Driver Failure or Checkpointing)
- using for job validation, Job Validation
- AccumulatorV2 interface, Accumulators
- actions, Lazy Evaluation
- architecture implications, Spark Job Scheduling, The Anatomy of a Spark Job
- on key/value pairs, Actions on Key/Value Pairs
- streaming test base class, StreamActionBase, Streaming
- versus transformations on RDDs, Functions on RDDs: Transformations Versus Actions
- add function, Accumulators
- agg API, Aggregates and groupBy, Grouped Operations on Datasets
- aggregateByKey function, Speeding up joins by assigning a known partitioner
- avoiding memory allocation in, Dictionary of Aggregation Operations with Performance Considerations
- map-side combinations, Preventing out-of-memory errors with aggregation operations
- optimizing, Reusing Existing Objects
- performance considerations, Dictionary of Aggregation Operations with Performance Considerations
- aggregateColumnFrequencies function, Sort and count values on each partition
- aggregations
- aggregates and groupBy, Aggregates and groupBy
- choosing aggregation ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.