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Apache Pinot - A realtime distributed OLAP datastore

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Instructions: 1. The PR has to be tagged with at least one of the following labels (*): 1. `feature` 2. `bugfix` 3. `performance` 4. `ui` 5. `backward-incompat` 6. `release-notes` (**)...

# Introduction In multi-stage query engine it is not very difficult to create queries that end up reading from the same table or executing the same join twice. This is...

Design Review
multi-stage

Refer the [PR](https://github.com/apache/pinot/pull/14219)

dependencies

Currently between spark 2.x and spark 3.x batch ingestion lot of code is duplicated other than SparkSegmentMetadataPushJobRunner class. This ticket is to refactor the code to eliminate the duplicate code...

ingestion
cleanup

Bumps [io.prometheus.jmx:jmx_prometheus_javaagent](https://github.com/prometheus/jmx_exporter) from 0.19.0 to 1.0.1. Release notes Sourced from io.prometheus.jmx:jmx_prometheus_javaagent's releases. 1.0.1 / 2024-05-31 This release adds Prometheus Protobuf support. As always, the jmx_exporter binaries are available on Maven...

dependencies
java

In the Pinot UI home page currently the following is the behaviour: Redundant calls Multiple /instances calls, 2 for each component type (total 4*2=8) although one call should provide information...

enhancement
ui

From the apache pinot official webpage , I tried to connect to slack channel it gave me an error like this

bug
troubleshooting

- Currently, a query like `SELECT JSON_EXTRACT_SCALAR(payload_commits, '$[*].author.name', 'STRING_ARRAY') FROM github_events` fails on the multi-stage query engine with an error like: `Invalid type: STRING_ARRAY`. - This is because the type...

bugfix
multi-stage

Json index is a frequently used feature but currently with very limited configuration ways. Users could only have a global max level or array index limit. The existing includePaths/excludePaths(fields) could...

Current HYBRID type takes two factors into considerations: query latency and number of inflight requests. We can also count query failures on each server when calculating server scores, the same...

enhancement