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Kerberos authenticator sends 403 and bypasses auth chain when hadoop.auth cookie has been cleared to empty value

Uncategorized problem report

Status: Open.

#19519 In apache/druid;

· rzepinskip opened on May 26, 2026

Flaky Test: CostBasedAutoScalerIntegrationTest

Status: Open.

#19517 In apache/druid;

· Shekharrajak opened on May 26, 2026

Replace per-catalog-type Druid classes with CatalogUtil.buildIcebergCatalog

Status: Open.

#19515 In apache/druid;

· Shekharrajak opened on May 25, 2026

CWE-1333: Inefficient Regular Expression Complexity

Feature/Change Description

Status: Open.

#19513 In apache/druid;

· vivek807 opened on May 25, 2026

Querying Performance Degradation on Realtime Tasks

Performance

Status: Open.

#19505 In apache/druid;

· GWphua opened on May 22, 2026

MSQ: introduce ArrowRowsAndColumns and adopt it inside GroupByPostShuffleFrameProcessor

Feature/Change Description

Status: Open.

#19499 In apache/druid;

· Shekharrajak opened on May 21, 2026

Iceberg source: adopt Iceberg's native Arrow reader stack for forward-compatibility with Iceberg spec evolution and performance improvements

Feature/Change Description

Status: Open.

#19498 In apache/druid;

· Shekharrajak opened on May 21, 2026

Add ORC and Avro file format support to Druid's Iceberg input source

Feature/Change Description

Status: Open.

#19472 In apache/druid;

· Shekharrajak opened on May 18, 2026

Iceberg input source: roadmap of v2 polish + v3-readiness improvements

Feature/Change Description

Status: Open.

#19471 In apache/druid;

· Shekharrajak opened on May 17, 2026

Flaky test: IngestionSmokeTest times out on JDK 25 (multiple unrelated methods)

Status: Open.

#19463 In apache/druid;

· Shekharrajak opened on May 15, 2026

[Proposal] Native, vectorised, zero-copy execution path for Druid

Design Review

Proposal

Status: Open.

#19456 In apache/druid;

· Shekharrajak opened on May 12, 2026

broker metadata refresh exception, This leads to an infinite loop of retries, and the broker is unable to retrieve the corresponding metadata.

Status: Open.

#19440 In apache/druid;

· xsf1005 opened on May 9, 2026