Short answer is: No, HDFS is purely optional. Have a look at the JDBCInputFormat example: https://github.com/apache/incubator-flink/blob/master/flink-addons/flink-jdbc/src/main/java/org/apache/flink/api/java/io/jdbc/example/JDBCExample.java
Greetings, Stephan On Thu, Oct 16, 2014 at 4:27 AM, 杨洪波 <[email protected]> wrote: > hey all， > i am new in flink and i have a question： i use flink cluster to read > mysql datasource，my biz don't need hdfs， do i must set HDFS in my flink > cluster? if yes,then for what flink use it ? > thanks!
