Hi,
I was trying to check Cardinality Aggregation. I believe it will give me an
approx value of the number of unique users.
Below is what I am using.
{
"aggs" : {
"user_count" : {
"cardinality" : {
"field" : "userid"
}
}
}
}
Can some one confirm a few things for me.
1. What is the accuracy of the result.
2. Is this is the only way or are there other options to do this as well.
3. This feature is experimental as per docs, what are the future roadmaps
for this, if any ?
Thanks,
Saurabh
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