2, what is Scala's associated classes and associated objects?
3, what is the distinguishing feature of the spark, deal with large data have what advantage?
What are the component 4, Spark technology stack, each component has what function, suitable for what application scenario?
What are the common 5, Apache Spark stable version, Spark1.6.0 Numbers represent what mean?
6, what is the difference between graphs and Spark and contact?
7, simply look of hadoop and spark shuffle the same and the difference?
Why do 8, the Spark is faster than graphs?
9, a brief description of the steps that Spark distributed cluster set up?
10, the spark has several deployment models, characteristics of each mode?
11, the spark of cluster computing model have?
12, what Spark operator, a few examples that are you familiar with?
13, the spark of RDD is what, what are the characteristics?
14, about the spark of width depend on?
15, what is the difference between the cache and pesist?
16, spark RDD how to differentiate between relying on wide and narrow rely on?
17, RDD reduceBykey and groupByKey in which performance is good, why?
18, spark streming what happens in real time processing fault, how to stop, solve?
19, spark streaming read kafka data two ways?
20, spark how to prevent memory leaks?
21, how to solve the problem of data skew in the spark?
The phenomenon of 22, the spark of data skew, causes, consequences?
What are the optimal method of 23, the Spark?
How to divide stage in 24, the spark?
What are the components of 25, spark? ?
26, the Spark of the Work's main job is?
What is the function of 27, Spark driver?
28, how to configure the spark master HA?
29, Spark master HA master-slave switching process does not affect the existing cluster assignments, why?
30, Spark master using zookeeper for HA, what are the metadata stored in a zookeeper?
31, Spark master HA master-slave switching process does not affect the existing cluster assignments, why?
32, Spark master using zookeeper for HA, what are the metadata stored in a zookeeper?
33, spark - submit to the introduction of external jar package?
34, spark the interview need to reserve what knowledge?
35, Spark on the Mesos, what yes coarse granularity distribution, what is a fine particle size distribution, what are the advantages and disadvantages of each?
Reference answer: Spark test questions often meet
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