do you mean every 7 mins?
e.g, [10:07, 10:14),
[10:14, 10:21) .....
On 28 January 2013 12:56, Oleg Ruchovets <oruchov...@gmail.com> wrote:
> Hi ,
> I have such row data structure:
>
> event_id | time
> ==============
> event1 | 10:07
> event2 | 10:10
> event3 | 10:12
>
> event4 | 10:20
> event5 | 10:23
> event6 | 10:25
>
> Numbers of records is 50-100 million.
>
> Question:
> I need to get events that was during time T.
>
> For example: if T=7 munutes.
> event1 , event2 , event3 were detected durint 7 minutes.
> event4 , event5 , event6 were detected during 7 minutes.
>
> How can I implement such aggregation using map/reduce.
>
> Thanks
> Oleg.
>
--
Best wishes.
Zhiwei
