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DISTINCTCOUNTHLL accuracy and memory footprint can be improved through latest HLL algorithms. We have a choice either replace the existing implementation with a better one or leave the existing DISTIN…
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**Is your feature request related to a problem? Please describe.**
**Describe the solution you'd like**
A clear and concise description of what you want to happen.
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Describing [Online Aggregation](https://github.com/apache/incubator-druid/issues/7087), I suggested that when Broker sends partial results back to the client it also sends a flag indicating that the p…
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In 0.23.0, using a `momentSketch` aggregator at ingestion will result in the following exception during indexing merging:
```
2022-10-12T07:35:37,617 WARN [[index_parallel_newyork_momentsketch_tes…
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When running checkstyle, there are two issues:
* suppressions replies on undefined variable `${config_loc}`
* There is an exception: `Caused by: java.lang.IllegalArgumentException: 'other' is differ…
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Hi team,
Thanks for the great extension. I'm attempting to use datasketches-python to pre-aggregate data and then insert the sketches into Postgres. I was curious, is there a recommended way to ins…
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### Affected Version
- 0.21.1
- 2 overlords, 2 coordinators
- 2 routers, 2 brokers
- 3 historicals, 11 middle managers
### Description
Hello, I am trying to calculate quantiles using "APPROX_Q…
lsee9 updated
2 years ago
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- Covariance (One pass Welford)
- Approx Count Distinct (HLL sketch)
- Approximate quantiles (Greenwald-Khanna )
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- My data is in a Druid database.
- My Metabase version is v0.19.1.
It looks like theta sketch metrics are not supported: http://druid.io/docs/latest/development/extensions-core/datasketches-aggreg…
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### affected version
0.18.1
### Description
I use extension metrics(DataSketches Quantiles Sketch or Approximate Histogram) with Filtered Aggregator at ingestion time.
When I post a query, I got…