How does LATERAL VIEW work in Hive?
September 3, 2021How to find the available free space in HDFS?
September 8, 2021We are sure you have seen the below progress bar before in either Spark shell or while refreshing the Spark UI as your Spark job execution is in progress.
You probably wondered what these numbers mean.
[Stage 2 : ===========> (45 + 5) / 150]
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Spark progress bar
Stage 2 – quite simple. Indicates the current stage in execution
150 – Total number of tasks in Stage 2
45 – Number of tasks completed in Stage 2
5 – Number of tasks currently in execution in Stage 2
Big Data In Real World
We are a group of Big Data engineers who are passionate about Big Data and related Big Data technologies. We have designed, developed, deployed and maintained Big Data applications ranging from batch to real time streaming big data platforms. We have seen a wide range of real world big data problems, implemented some innovative and complex (or simple, depending on how you look at it) solutions.
