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Apache Druid: a high performance real-time analytics database.
org.apache.druid.indexing.common.task.batch.parallel.PartialCompactionTest seems to be stalling the build - see this run here for example https://app.travis-ci.com/github/apache/druid/jobs/575725134
### Affected Version Druid 0.22.1 and 0.23.0 ### Description I got this `WARN` message on JDK 11 and JDK 17. ```bash 2022-06-25T16:41:52,529 WARN [main] org.apache.druid.java.util.metrics.JvmMonitor - Cannot initialize GC counters....
### Description Add the ability in the web UI to view currently running SQL queries (Queries executed through /sql api and those executed through the web console) w/ the ability...
The IT `ITQueryRetryTestOnMissingSegments.testWithRetriesDisabledPartialResultAllowed` failed in [(Compile=openjdk8, Run=openjdk8) query retry integration test for missing segments](https://app.travis-ci.com/github/apache/druid/jobs/575272209) with this error: ```text [ERROR] ITQueryRetryTestOnMissingSegments.testWithRetriesDisabledPartialResultAllowed:122->testQueries:141->testQueries:216 At least one query is expected to return correct results....
### Affected Version 0.22.1 ### Description Please include as much detailed information about the problem as possible. - Cluster size: 3 , one master ,one query, one data - Configurations...
The [Build and test on ARM64 CPU architecture (1)](https://app.travis-ci.com/github/apache/druid/jobs/574855204) build failed in with this error: ```text Automatic restarts limited: Please try restarting this job later or contact [email protected]. ``` Usual...
### Description Currently there is no way to know how much data is processed by task during ingestion. This PR adds `ingest/events/processedBytes` metric to emit number of bytes read since...
### Motivation Apache Druid has quite a lot of tricks up its sleeve for providing extremely fast queries on very large datasets. However, one of the major limitations in the...
A collaboration with @hellmarbecker to polish and get his Theta sketches tutorial into the docs. This PR has: - [x] been self-reviewed.
[Failing job](https://app.travis-ci.com/github/apache/druid/jobs/575725132) [Sample failure logs](https://api.travis-ci.com/v3/job/575539290/log.txt) Failure was encountered a couple of times in #12737
