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Apache Druid: a high performance real-time analytics database.
When a segment publish error occurs, it's hard to tell which supervisor to reset if there are multiple supervisors consuming from the same stream. This change includes the datasource name...
druid-0.16.1 task failed peon task log `2024-08-27T18:30:41,627 INFO [task-runner-0-priority-0] org.apache.druid.segment.realtime.appenderator.AppenderatorImpl - Submitting persist runnable for dataSource[app_rnview_analysis] 2024-08-27T18:30:41,637 INFO [qtp1298650532-176] org.apache.druid.indexing.seekablestream.SeekableStreamIndexTaskRunner - Stopping gracefully (status: [PUBLISHING]) 2024-08-27T18:30:41,642 INFO [task-runner-0-priority-0] org.apache.druid.segment.realtime.appenderator.AppenderatorImpl -...
Affected Version 30.0.0 Description Installed docker from https://hub.docker.com/r/apache/druid/tags. Noticed run status on docker is failing. When starting the docker container I get: 2024-08-22T08:19:26+0000 startup service Setting 172.17.0.2= in /tmp/conf/druid/cluster/misc/druid.host/runtime.properties cat:...
This is to report unexpected behavior where the broker selects too many segments to query. The identified scenario is when secondary partition information exists (eg, for range partitioning) but is...
For understanding and optimizing data footprint, it's valuable to know the footprint (in bytes) and capabilities (dictionary encoded, has index, etc) of each column on a per-segment basis and also...
### Description Using `asEagerSingleton` is not advisable as it can cause several problems like: - forces early instantiation even if the instance does not end up getting used - no...
Build preview: https://druid-bh3aur83f-317brians-projects.vercel.app/docs/latest/querying/projections This PR has: - [ ] been self-reviewed. - [ ] using the [concurrency checklist](https://github.com/apache/druid/blob/master/dev/code-review/concurrency.md) (Remove this item if the PR doesn't have any relation to concurrency.)...
Fixes #15847. ### Description Fix the bug of capacity api which is not category aware The proposal solution is following: 1. If current WorkerSelectStrategy is category based strategy(FillCapacityWithCategorySpecWorkerSelectStrategy and EqualDistributionWithCategorySpecWorkerSelectStrategy),...
Historical crashes with Runtime exception when querying ### Affected Version 32.0.0 ### Description We have a cluster of 20 historicals with 4 brokers. There are some queries when being executed...
* `useApproximateCountDistinct` supposed to enable a special mode to handle `COUNT(DISTINCT x)` with skethces * the rules are configured to remove the generic distinct handler rules [here](https://github.com/apache/druid/blob/616ae631c62a98d2145af0a87a0e2ab3af199d1f/sql/src/main/java/org/apache/druid/sql/calcite/planner/CalciteRulesManager.java#L496-L503) * so queries...
