druid

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Druid Catalog basics

3

The [Druid catalog](https://github.com/apache/druid/issues/12546) provides a collection of metadata "hints" about tables (datasources, input sources, views, etc.) within Druid. This PR provides the foundation: the DB and REST layer, but not...

paul-rogers

Add Kafka SASL / SCRAM configuration to Apache Kafka Ingestion

3

If Kafka is configured with SASL / SCRAM, then Druid, which is the Kafka consumer, should pass the SASL / SCRAM credentials in the consumerProperties block of ioConfig section of...

techdocsmith

Default single-server settings spew warnings in coordinator-overlord log

5

Using the default settings provided by singler-server/medium, the coordinator-overlord log is filled with warnings such as: 2020-03-03T14:00:07,794 WARN [Coordinator-Exec--0] org.apache.druid.server.coordinator.rules.LoadRule - No available [_default_tier] servers or node capacity to assign...

Green-Angry-Bird

Fixes multiple items in #12881 ### Description This PR lays the ground work to allow load queue to safely have an unlimited number of items, and thus eventually phase out...

kfaraz

Coordinator crashes trying to compact a datasource ingested through MSQ with PARTITIONED BY ALL

4

Please provide a detailed title (e.g. "Broker crashes when using TopN query with Bound filter" instead of just "Broker crashes"). ### Affected Version Tested on latest master branch 25.0.0-SNAPSHOT ###...

zachjsh

Tests FiniteFirehoseFactory removal PR failures on Travis

3

tejaswini-imply

- update Apache Ranger to the latest version 2.3.0 - override gethostname4j dependency of Apache Ranger to use 1.0.0 and JNA > 5.7.x to fix failing unit tests on macOS...

xvrl

### Description In MSQ, there can be an upper limit to the number of worker warnings. For example, for parseExceptions encountered while parsing the external data, the user can specify...

LakshSingla

Use worker number instead of task id in MSQ for communication to/from workers.

2

### Description In the current version of MSQ, workers are bound to a specific task. This is not cool for a fault tolerant engine where worker tasks can be ephemeral,...

LakshSingla

### Current Implementation In the current MSQ implementation, each worker maintains a ClusterByStatisticsCollector. If we are clustering by time, one sketch is maintained for each time chunk. During the merge,...

adarshsanjeev