Hi
I want to use window operations. However, if i don't remove any data, the
"complete" table will become larger and larger as time goes on. So I want to
remove some outdated data in the complete table that I would never use.
Is there any method to meet my requirement?
Thanks!
Could you please tell me how to use the approximate count distinct? Is there
any docs?
Thanks
At 2016-11-21 15:56:21, "Reynold Xin" wrote:
Can you use the approximate count distinct?
On Sun, Nov 20, 2016 at 11:51 PM, Xinyu Zhang wrote:
MapWithState is also very useful.
MapWithState is also very useful.
I want to calculate UV in real time, but "distinct count" and "multiple
streaming aggregations" are not supported.
Is there any method to calculate real-time UV in the current version?
At 2016-11-19 06:01:45, "Michael Armbrust" wrote:
Doing this generally
