apache/druid

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Apache Druid: a high performance real-time analytics database.

Stars: 14.1k
Forks: 3.8k
Open beginner issues: 0
Indexed issues: 649
Avg merge: 2d 58m
Merged PRs (30d): 233

Dominant language: Java
License: Apache-2.0
Last GitHub push: Sep 12, 2026
Latest indexed: Sep 14, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

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648 open issues indexed

New Unified Console Unusable for Large Clusters (1000+ datasources, 10k+ segments) Open

Area - Web Console Bug

apache/druid#11275 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
diskNormalized strategy ignored by coordinator Open

Area - Segment Balancing/Coordination

apache/druid#11277 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
How to define the time column in the inline datasource? Open

Area - Querying

apache/druid#11281 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Having clause doesn't work on movingAverage query Open

Area - Querying

apache/druid#11306 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
add an integration test with extension diretories as symlinks so that we can validate the version bump for commons-io Open

Area - Testing Contributions Welcome

apache/druid#11393 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Even though the index_parallel task is marked failed, many of its single_phase_sub_tasks are still running. Open

Area - Batch Ingestion Bug

apache/druid#11396 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Hide Plaintext Passwords Druid cachedNamespace Lookups - Druid UI Open

Design Review Proposal

apache/druid#11405 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Kafka ingestion lag spikes up whenever tasks are rolling Open

Area - Streaming Ingestion Performance

apache/druid#11414 · 26 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
"FOR UPDATE" sql command is in the wrong place Open

Area - Extension Area - Metadata Bug

apache/druid#11418 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Scan query gracefully closing connections which results in partial data read from datasource Open

Area - Querying

apache/druid#11422 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Why SqlResource is not LazySingleton like BrokerQueryResource? Open

Area - SQL

apache/druid#11425 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Consider splitting the "indexing module test", "query integration test", and "compaction integration test" Open

Area - Testing Feature/Change Description

apache/druid#11524 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
"java.lang.NullPointerException" occurs when using APPROX_QUANTILE_DS Open

Area - Querying Bug

apache/druid#11544 · 20 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
TIME_FLOOR documentation is incomplete Open

Area - Documentation Area - SQL

apache/druid#11587 · 4 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Better SQL function help strings in query-builder UI Open

Area - Query UI Area - Web Console

apache/druid#11588 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Cannot retrieve proper tasks list from Overlord Task API with createdTimeInterval paramater Open

Bug

apache/druid#11589 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
How to use lookups in a WHERE expression? Open

Area - Lookups Question

apache/druid#11607 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Union queries with group by clause failure Open

Area - SQL

apache/druid#11612 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Broker throws RuntimeException on GroupBy metric with filter applied on NaN values Open

Area - SQL

apache/druid#11623 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
QueryCountStatsMonitor doesn't track sql query metrics Open

Area - SQL Feature

apache/druid#11652 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Issue with numerical properties using Avatica JDBC driver Open

Area - SQL Bug

apache/druid#11656 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Infinite automatic Kafka offset resetting Open

Area - Streaming Ingestion Bug

apache/druid#11658 · 11 comments · 3 reactions · 0 assignees · Indexed Sep 14, 2026
SQL `max()`, `min()` fail for `VARCHAR` (`string`) columns Open

Area - SQL

apache/druid#11659 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
`TIME_PARSE()` works for constants, fails for columns Open

Area - SQL Bug

apache/druid#11660 · 10 comments · 3 reactions · 0 assignees · Indexed Sep 14, 2026
SQL with "timestamp - interval '100' day" returns 400 error Open

Area - SQL Bug

apache/druid#11695 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Coordinator cannot load mysql and postgres extensions for sql ingest Open

Area - Ingestion Bug

apache/druid#11733 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Flaky integration test for input sources Open

Development Blocker Flaky test

apache/druid#11744 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Inconsistent results if running a limit query with a group by on a numeric dimensional field and not adding that field to order by statement post upgrade of Druid from 20.1 to .21.1 Open

Area - Querying Bug

apache/druid#11758 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Router can not recognize query type "view" Open

Area - Querying Feature/Change Description

apache/druid#11792 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Query profile mechanism Open

Design Review Proposal

apache/druid#11800 · 0 comments · 8 reactions · 0 assignees · Indexed Sep 14, 2026
arm64 Docker images openly available Open

Docker

apache/druid#11820 · 31 comments · 16 reactions · 0 assignees · Indexed Sep 14, 2026
Broker cannot use distributed cache to bypass historical querying for cached segment results Open

Area - Cache

apache/druid#11836 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Druid jdbc lookups: why poll period isn't working? Open

Area - Lookups

apache/druid#11868 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ERROR o.a.c.framework.imps.EnsembleTracker - Invalid config event received: {server.1=192.168.0.19:2888:3888:participant, version=0, server.0=192.168.0.18:2888:3888:participant, server.2=192.168.0.20:2888:3888:participant} Open

Area - ZooKeeper/Curator

apache/druid#11915 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Speed up the build process of Docker Open

Area - Dev Contributions Welcome Docker

apache/druid#11995 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Support mounting some external configuration files in the Docker image Open

Contributions Welcome Docker Ease of Use

apache/druid#11996 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Quickstart Tutorial Fails with Extension "druid-s3-extensions" enabled Open

Area - Extension

apache/druid#12039 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Bulk segment deletion on Historical causes significant delays of handoff from Kafka tasks Open

Area - Segment Balancing/Coordination Performance

apache/druid#12149 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Plan to address vulnerabilities reported on Druid 0.22.1 Open

Security

apache/druid#12260 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Aliveness/Readiness Probe improvements Open

Design Review Proposal

apache/druid#12292 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Temporary working folders are left behind on Middle Managers after tasks complete Open

Area - Ingestion Bug

apache/druid#12332 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Indexer SelfDiscovery API always returns 503 Open

Bug

apache/druid#12343 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Simplify and Accelerate Integration Tests Open

Area - Testing Design Review Proposal

apache/druid#12359 · 13 comments · 6 reactions · 0 assignees · Indexed Sep 14, 2026
java needs to be available in PATH for Druid to run properly. Open

Bug

apache/druid#12374 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Security: update NPMs in website/package-lock.json due to security issues Open

Area - Dependencies Security

apache/druid#12423 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Security: update NPMs in web-console/package-lock.json due to security issues Open

Area - Dependencies Security

apache/druid#12424 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Bring in the JUnit Assume feature to Test Case testPollOnDemand Open

Area - Testing

apache/druid#12436 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Compaction metrics are not being emitted correctly Open

Area - Metrics/Event Emitting

apache/druid#12544 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Druid Catalog Proposal Open

Design Review Feature/Change Description Proposal

apache/druid#12546 · 17 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
Delta IO Connector Open

Design Review Proposal

apache/druid#12598 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026

apache/druid

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