With Composite Column Name, you can even have column composed of sore
(int) and userid (uuid or whatever). Empty column value to avoid
repeating user UUID.
2011/12/22 R. Verlangen ro...@us2.nl:
I would suggest you to create a CF with a single row (or multiple for
historical data) with a date
@cassandra.apache.org
Ogg: Re: Counters and Top 10
With Composite Column Name, you can even have column composed of sore
(int) and userid (uuid or whatever). Empty column value to avoid
repeating user UUID.
2011/12/22 R. Verlangen ro...@us2.nl:
I would suggest you to create a CF with a single row
In our case we didn't need an exact daily top-10 list of pages, just a good
guess of it. So the way we did it was to insert a column with a short TTL
(e.g. 12 hours) with the page id as the column name. Then, when constructing
the top-10 list, we'd just slice through the entire list of
Counters only update the value of the column, they cannot be used as column
names. So you cannot have a dynamically updating top ten list using counters.
You have a couple of options. First use something like redis if that fits your
use case. Redis could either be the database of record for the
I would suggest you to create a CF with a single row (or multiple for
historical data) with a date as key (utf8, e.g. 2011-12-22) and multiple
columns for every user's score. The column (utf8) would then be the score +
something unique of the user (e.g. hex representation of the TimeUUID). The
Hi all,
I'm using Cassandra in production for a small social network (~10.000 people).
Now I have to assign some credits to each user operation (login, write post
and so on) and then beeing capable of providing in each moment the top 10 of
the most active users. I'm on Cassandra 0.7.6 I'd like
