Configure Spark in tune with your application. Spark jobs are performed efficiently to process the large data with the configurations discussed below, taming the big data to get desired output with low latency. Spark on yarn environment: (set, below two properties to submit job though spark-submit.
When your right eye twitches it means something good is going to happen. I have heard, when the top of your eye (say the eyelid) is twitching, something good is going to happen to you, but when the bottom of your eye is twitching, something bad is going to happen. If it is twitching really bad, the effectiveness is stronger than a little twitch.
According to received wisdom, eyes looking up to the right indicate lying. A paper published yesterday in PLOS ONE by the Richard Wiseman et al (the king of weird and wonderful psychology experiments) has apparently disproved the long-standing theory that direction of eye gaze can indicate lying.