spark官网首页翻译

官网:http://spark.apache.org/


Download(下载)  
Libraries(SQL And DataFrame、Spark Streaming、MLlib、Third-Party Projects)  
Documentation(frequently asked questions--常见问答)  
Example 
Community(社区)  
Developers   
apache software foundation(apache软件基金会)


Apache Spark is a fast(快速) and general engine(普遍的引擎) for large-scale(大规模) data processing(大数据处理).


Speed:
Run programs up to 100x faster than Hadoop MapReduce in memory, or 10x faster on disk. 
==>速度上,在内存中,比Hadoop的 MapReduce快100倍,在磁盘中,也要快10倍(以Logistic regression,即Logistic回归进行比较)
Apache Spark has an advanced(超前的) DAG execution engine that supports acyclic data flow and in-memory computing.

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