Spark: Spark Businesses are collecting more data than ever before, but with all that data comes a need for someone to manage it and maintain the systems used to store it all. Spark is one of the more commonly used tools to process petabytes of data, which is especially useful for companies that offer streaming services and need to manage heavy traffic.  If you have Spark skills on your resume, you'll be happy to hear that this skill is up 85 percent in market value year over year; the…
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