1、If there is Bitmap stored in hbase,can we get the distinct user set if we need to know all the distinct users? 2、Is there any restuful api could get the cube's date_time,date_range_start and date_range_end?
在 2017-11-30 18:30:27，ShaoFeng Shi <[email protected]> 写道： Hi Miao, Kylin use HyperLogLog or Bitmap to persistent the distinct values; You can get some info from this blog: https://kylin.apache.org/blog/2016/08/01/count-distinct-in-kylin/ 2017-11-30 9:25 GMT+08:00 崔苗 <[email protected]>: Hi, we want to get count(distinct user) group by hour/day/week/month/year,now we have a problem: what's the content of count(distinct user) that kylin keeps,the distinct users set or just a count number? If we want to count (distinct user) by year,do we need to keep data for a year in hive? -- Best regards, Shaofeng Shi 史少锋
