Let’s try to figure out what happens with the application when the source file is much bigger than the available memory. The memory in the below tests is limited to 900MB […]. Naively we could think that a file bigger than available memory will fail the processing with OOM memory error. And this supposition is true.
Once upon a time there was only one way to use Apache Spark but support for additional programming languages and APIs have been introduced in recent times. A novice can be confused by the different options that have become available since Spark 1.6 and intimidated by the idea of setting up a project to explore these APIs.
RELATED BLOG POSTS Unraveling the Complex Streaming Data Pipelines of Cybersecurity Best Practices Blog 5 Min Read Security is top of mind for every enterprise these days. There are so many threats they can hardly be counted, but one commonality exists: data is always the target. Unravel’s mission is to help organizations better understand and improve the performance of their data-based applications. We’re a data business, so we appreciate the scope and implications of these threats.
A very important question is how long something takes and the answer to that is fairly straightforward in normal life: Check the current time, then perform the unit of work that should be measured, then check the time again. The end time minus the start time would equal the amount of time that the task took, the elapsed time or wallclock time.
