tongwoojun opened a new issue #11854:
URL: https://github.com/apache/druid/issues/11854
### Affected Version
0.14.2
### Description
When I query for quantiles, I find that the query results keep changing. I
would like to know why such a problem occurs, and what is the solution
config:
"metricsSpec": [{
"type": "quantilesDoublesSketch",
"name": "timeCost",
"fieldName": "timeCost"
},
.......
]
sql:
select APPROX_QUANTILE_DS(timeCost, 0.999) as p999 from table where __time
>= '2021-10-27' and __time < '2021-10-28'
result:
1.
[
{
"p999": 722.0
}
]
2.
[
{
"p999": 308.0
}
]
3.
[
{
"p999": 317.0
}
]
4.
[
{
"p999": 240.0
}
]
5.
[
{
"p999": 325.0
}
]
6.
[
{
"p999": 292.0
}
]
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