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Spark Core is the foundation of the overall project. It provides distributed task dispatching, scheduling, and basic I/O functionalities, exposed through an application programming interface (for Java, Python, Scala, .NET [16] and R) centered on the RDD abstraction (the Java API is available for other JVM languages, but is also usable for some other non-JVM languages that can connect to the ...
The Chicago MSA, now defined by the U.S. Office of Management and Budget (OMB) as the Chicago–Naperville–Elgin, IL–IN–WI Metropolitan Statistical Area, is the third-largest MSA by population in the United States. The 2022 census estimate for the population of the MSA was 9,441,957.
Chicago is traditionally divided into the three "sides" of the North Side, West Side, and South Side by the Chicago River. These three sides are represented by the white stripes on the Flag of Chicago. [12] The city is also divided into 50 wards for the purpose of electing one alderman each to the Chicago City Council. These wards have at times ...
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MapReduce is a programming model and an associated implementation for processing and generating big data sets with a parallel and distributed algorithm on a cluster. [1] [2] [3]A MapReduce program is composed of a map procedure, which performs filtering and sorting (such as sorting students by first name into queues, one queue for each name), and a reduce method, which performs a summary ...
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Chicago is also divided into 77 community areas which were drawn by University of Chicago researchers in the late 1920s. [3] Chicago's community areas are well-defined, generally contain multiple neighborhoods, and depending on the neighborhood, less commonly used by residents. [2] [4]