Intermediate Spark Interview Questions and Answers 12. What is RDD Lineage? Spark does not support data replication in memory and thus, if any data is lost, it is rebuilt using RDD lineage. RDD lineage is a process that reconstructs lost data partitions. The best thing about this is that...
1. What is Apache Spark, and why is it used in data processing? This question assesses the candidate's general understanding of Apache Spark and its role in the big data ecosystem. Answer: Apache Spark is an open-source, distributed computing system that provides an interface for programming ...
CCA-175 Spark and Hadoop Developer Certification Exam Sample Question Here is a sample from the CCA 175 exam questions: Problem statement: Create data or files from the given dataset: Create a case class named Learner with the following column names: a. name b. email c. city Create an RD...
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Take this question, for instance. Hiring managers may ask unusual questions to get a sense of a candidate’s interpersonal skills and the ‘intangibles’ that make a strong hire — like creativity, ambition, and the ability to think on one’s feet. ...
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Recording: Candidates record their video responses using a designated platform or software. Each question has a specific time limit, usually one to three minutes. Depending on the platform and recruiter’s preferences, the questions may also include think time or the ability to review and re-recor...
3.2 Question Answer Ranking and Retrieval 针对一个问题,从众多答案中找到最重要的一个。 3.2.1 Okapi BM25 (Robertson et al., 1996) Answers with significant token overlap with the question would be scored higher. 由于答案和问题的token很少匹配,这个方法效果并不好。
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https://learn.microsoft.com/en-us/answers/questions/1011305/parallel-synapse-spark-application-run?childToView=1020997#comment-1020997 I hope this clarifies your question. In case, if you have any further questions, please let me know.