[Flink基础]-- 1.4 与其他实时计算框架对比

对比其他计算框架

	Spark	Storm	Flink
Streaming Model	Micro-batch	Native	Native
Fault Tolerance	RDD based checkpointing	Record ACKs	checkpoint
Latency	Medium	Very Low	Low
Throughout	High	Low	High
Guarantees	At-least-once	At Least Once，Exactly Once	At Least Once，Exactly Once
State Management	Dstream	Not build-in	Statedful Operators
EcoSystem	Active、Perfect	Not Active、Not Perfect	Active、Function Perfect

参考

• Jira：https://issues.apache.org/jira/projects/FLINK
• Wiki：https://cwiki.apache.org/confluence/display/FLINK/Powered+by+Flink
• Github：https://github.com/apache/flink
• Community：https://data-artisans.com/blog/category/flink-community
• spark 实现 exactly once
  http://shzhangji.com/cnblogs/2017/08/01/how-to-achieve-exactly-once-semantics-in-spark-streaming/