
2 things - one you can create big data streaming jobs - runs on spark, big data batch jobs - runs on spark or yarn cluster mode.
You have many components to use. easy to drag and drop. Review collected by and hosted on G2.com.
If any one doesn't know Java, would face initial challenge but its fine over period of time.
You also need to know configurations - you might need help of Hadoop admin's for support. Review collected by and hosted on G2.com.
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