Hi all,
We're working on analytics system based on Riak(1.0.2).
I'm storing my data in this structure:
Key = "userid_date"
Value = daily report values
So if I want for example to query last year's data I'm using key-filter like
this
{
"inputs":{
"bucket":"report"
"key_filters":[["tokenize", "-", 2],
["between", "20110101", "20111231"]]
},
}
Are key-filters efficient enough?
Or should I just send a bulk of keys to the map reduce query(ie. userid
_20110101, userid _20110102, userid _20110103 ....)
Many thanks,
Ben
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