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**Oak for Druid Short Summary:**
1. Oak (Off-heap Allocated Keys) is a scalable concurrent KV-map for real-time analytics. Oak is a next generation of our previous research in KV-map field. The ide…
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Druid 0.12 added support for quantile sketches, but they don't appear to be documented in the datasketches extensions page. The only way to understand how to use them is to read the API doc and the so…
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### Affected Version
Druid 0.16.0
### Description
Nano-quickstart: when trying to submit a JSON spec it gives me:
```
Failed to submit supervisor: Class org.apache.druid.segment.indexing.Rea…
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some core extensions have 'druid' in front of them, eg:
- druid-s3-extensions
- druid-kafka-eight
some dont, eg:
- druid-datasketches
- mysql-metadata-storage
- postgresql-metadata-storag…
pdeva updated
5 years ago
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It is often a pain to track down dependency problems, especially transient dependencies. It is helpful if Druid only ever include a jar ONCE if possible, and not shade it so that the exact version can…
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Branching off a discussion from #6743. See @leerho's comment https://github.com/apache/incubator-druid/issues/6743#issuecomment-449490568 for a rationale as to why it could make sense to transition to…
gianm updated
5 years ago
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### Describe the bug
Please provide a brief summary of the issue and provide a summarized description in the title above.
git property git.commit.user.email reports user name and not the email.
…
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The built-in `merge(HyperLogLog) -> HyperLogLog` is slower than our expectation and becomes bottleneck for some of our interactive queries.
Then we looked into its implementation and applied sever…
gyson updated
5 years ago
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**error message:**
```
Exception running child : io.druid.java.util.common.RE: Failure on row[3b81dc53ba66\x10,,\xe0\xcf\xe97c3b7e4b519103 123 abc false 2018-01-02 01:57:44]
at io.druid.indexer.Ha…
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AFAIK KLL uses a cascade of compactors to produce its interval estimates.
What I'm wondering is what exactly is the effect of the K parameter. Does setting K to a specific value mean that overall, …