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Addressing https://github.com/druid-io/druid/blob/78159d7ca442cf8d99ea356d39932ab3adb8e10f/extensions-core/lookups-cached-global/src/main/java/io/druid/server/lookup/namespace/cache/OffHeapNamespaceEx…
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We are seeing issues when using Kafka Streaming Ingestion and then querying and invoking the CONCAT `expression` believing this could be due to the rows being in the aggregate heap memory and not yet …
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See:
https://groups.google.com/forum/#!topic/druid-user/UOW54T6kHEw
In druid 0.9.1.1, If I configure druid to use the kafka lookups extension, e.g.:
```
druid.extensions.loadList=["druid-histogram"…
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If you are using the lookup druid.lookup.snapshotWorkingDir on middle managers you may get a fatal error that looks like this:
2017-05-24T18:01:16,096 INFO [main] io.druid.server.lookup.namespace.c…
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### Affected Version
0.16.0
### Description
Seeing this error for a lot of data sources. Nothing in the cluster was changed so not sure what caused this to happen. Is there any way to fix thi…
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As per https://groups.google.com/d/msg/druid-user/3Iqi6yYG5pA/MmWDZW0BBAAJ there might be a problem in the `JDBCExtractionNamespaceFunctionFactory` whereby the JDBC driver is not registered with the D…
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Hi, I'm following the[ Istio/SPIRE doc](https://istio.io/latest/docs/ops/integrations/spire/#install-istio) to integrate the Istio with Spire, but the logs of Istiod shows Istio proxy readiness probe …
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## Motivation
This proposal is to improve handling of null values in druid by treating nulls as missing values which don’t actually exist. This will make it more compatible to SQL standard and help…
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This proposal is about extending Druid to support multi-stage distributed queries, something that I think will be really exciting and amp up what Druid is capable of.
## Motivation
Today Druid's…
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### Your GTNH Discord Username
_No response_
### Your Pack Version
2.2.8
### Your Server
Private Server
### Type of Server
None
### Your Actions
1. Get a full stack of cells…