Misha

Fix RuntimeException during ordered scan MSQ query

4

Resolved a runtime exception triggered by executing limited and ordered scan queries via the MSQ engine.  ``` java.lang.RuntimeException: org.apache.druid.java.util.common.IOE: Encountered error while reading the output of stage [1], partition...

Fixed ClassCastException during Multi-Stage Queries on real-time segments

18

Fixed issue when msq queries throw ClassCastException with `"includeSegmentSource": "REALTIME"` and supervisor running. ```` Caused by: java.lang.ClassCastException: class [B cannot be cast to class org.apache.druid.query.aggregation.datasketches.hll.HllSketchHolder ([B is in module java.base...

Global limit for MSQ controller tasks implemented

9

# Improvements Implemented a way to limit on the number of query controller tasks running at the same time. This limit specifies what percentage or amount of task slots can...

raftkv: add InvalidMaxTsUpdate RPC error

3

### What is changed and how it works? Issue Number: Close #18253 What's Changed: ```commit-message Add a dedicated InvalidMaxTsUpdate RPC error so update_max_ts failures become real, typed errors instead of...

Role mapping support in pac4j extension

2

### Description This PR is aimed to enable flexible mapping of OIDC/JWT roles to Druid roles. By default, the pac4j OIDC authentication only maps the `sub` claim to a single...

InvalidMaxTsUpdate error added

2

Part of https://github.com/tikv/tikv/issues/18253 fix