摘要:
elasticsearch index 之 put mapping mapping机制使得elasticsearch索引数据变的更加灵活,近乎于no schema。mapping可以在建立索引时设置,也可以在后期设置。后期设置可以是修改mapping(无法对已有的field属性进行修改,一般来说只是 阅读全文
摘要:
# Version 2016060300, Last Updated Fri Jun 3 07:07:01 2016 UTCAAAAARPABBABBOTTABBVIEABOGADOABUDHABIACACADEMYACCENTUREACCOUNTANTACCOUNTANTSACOACTIVEACT 阅读全文
摘要:
use this val data = sc.textFile("/home/spark/data.txt") this should work and set master as local. Input path does not exist解决方法 spark-submit --master 阅读全文