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https://github.com/pravega/flink-connectors
Apache Flink connectors for Pravega.
https://github.com/pravega/flink-connectors
flink pravega stream-processing
Last synced: 5 days ago
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Apache Flink connectors for Pravega.
- Host: GitHub
- URL: https://github.com/pravega/flink-connectors
- Owner: pravega
- License: apache-2.0
- Created: 2017-03-31T14:33:11.000Z (almost 8 years ago)
- Default Branch: master
- Last Pushed: 2024-03-04T06:54:16.000Z (11 months ago)
- Last Synced: 2024-12-31T22:08:34.367Z (20 days ago)
- Topics: flink, pravega, stream-processing
- Language: Java
- Homepage:
- Size: 1.84 MB
- Stars: 96
- Watchers: 27
- Forks: 68
- Open Issues: 25
-
Metadata Files:
- Readme: README.md
- Contributing: .github/CONTRIBUTING.md
- License: LICENSE
Awesome Lists containing this project
README
# Pravega Flink Connectors
[](https://github.com/pravega/flink-connectors/actions/workflows/build.yml?query=branch%3Amaster) [](https://github.com/pravega/flink-connectors/blob/master/LICENSE) [](https://github.com/pravega/flink-connectors/releases) [](https://app.codecov.io/gh/pravega/flink-connectors/)
This repository implements connectors to read and write [Pravega](http://pravega.io/) Streams with [Apache Flink](http://flink.apache.org/) stream processing framework.
The connectors can be used to build end-to-end stream processing pipelines (see [Samples](https://github.com/pravega/pravega-samples)) that use Pravega as the stream storage and message bus, and Apache Flink for computation over the streams.
## Features & Highlights
- **Exactly-once processing guarantees** for both Reader and Writer, supporting **end-to-end exactly-once processing pipelines**
- Seamless integration with Flink's checkpoints and savepoints.
- Parallel Readers and Writers supporting high throughput and low latency processing.
- Table API support to access Pravega Streams for both **Batch** and **Streaming** use case.
## Compatibility Matrix
The [master](https://github.com/pravega/flink-connectors) branch will always have the most recent
supported versions of Flink and Pravega.
| Git Branch | Pravega Version | Flink Version | Status | Artifact Link |
|-------------------------------------------------------------------------------------|-----------------|---------------|-------------------|--------------------------------------------------------------------------------------|
| [master](https://github.com/pravega/flink-connectors) | 0.14 | 1.18 | Under Development | https://github.com/pravega/flink-connectors/packages/19676441 |
| [r0.14-flink1.17](https://github.com/pravega/flink-connectors/tree/r0.14-flink1.17) | 0.14 | 1.17 | Under Development | https://github.com/pravega/flink-connectors/packages/1441637 |
| [r0.14-flink1.16](https://github.com/pravega/flink-connectors/tree/r0.14-flink1.16) | 0.14 | 1.16 | Under Development | https://github.com/pravega/flink-connectors/packages/1704300 |
| [r0.13](https://github.com/pravega/flink-connectors/tree/r0.13) | 0.13 | 1.16 | Released | https://repo1.maven.org/maven2/io/pravega/pravega-connectors-flink-1.16_2.12/0.13.0/ |
| [r0.13-flink1.15](https://github.com/pravega/flink-connectors/tree/r0.13-flink1.15) | 0.13 | 1.15 | Released | https://repo1.maven.org/maven2/io/pravega/pravega-connectors-flink-1.15_2.12/0.13.0/ |
| [r0.13-flink1.14](https://github.com/pravega/flink-connectors/tree/r0.13-flink1.14) | 0.13 | 1.14 | Released | https://repo1.maven.org/maven2/io/pravega/pravega-connectors-flink-1.14_2.12/0.13.0/ |
| [r0.12](https://github.com/pravega/flink-connectors/tree/r0.12) | 0.12 | 1.15 | Released | https://repo1.maven.org/maven2/io/pravega/pravega-connectors-flink-1.15_2.12/0.12.0/ |
| [r0.12-flink1.14](https://github.com/pravega/flink-connectors/tree/r0.12-flink1.14) | 0.12 | 1.14 | Released | https://repo1.maven.org/maven2/io/pravega/pravega-connectors-flink-1.14_2.12/0.12.0/ |
| [r0.12-flink1.13](https://github.com/pravega/flink-connectors/tree/r0.12-flink1.13) | 0.12 | 1.13 | Released | https://repo1.maven.org/maven2/io/pravega/pravega-connectors-flink-1.13_2.12/0.12.0/ |
## How to build
Building the connectors from the source is only necessary when we want to use or contribute to the latest (unreleased) version of the Pravega Flink connectors.
To build the project, Java version 11 is required and the repository needs to be checkout via `git clone https://github.com/pravega/flink-connectors.git`.
> The connector project is linked to a specific version of Pravega, based on the `pravegaVersion` field in the `gradle.properties`.
After cloning the repository, the project can be built (excluding tests) by running the below command in the project root directory flink-connectors.
```./gradlew clean build -x test```
## How to use
Check out documents [here](https://github.com/pravega/flink-connectors/blob/master/documentation/src/docs/dev-guide.md) to learn how to build your own applications using Flink connector for Pravega. Also watch out that the Java version required to run the connector is either 8 or 11.
More examples on how to use the connectors with Flink application can be found in [Pravega Samples](https://github.com/pravega/pravega-samples/tree/master/flink-connector-examples) repository.
## Support
Don't hesitate to ask! Contact the developers and community on [Slack](https://pravega-io.slack.com/) ([signup](https://pravega-slack-invite.herokuapp.com/)) if you need any help. Open an issue if you found a bug on [Github Issues](https://github.com/pravega/flink-connectors/issues).
## About
Flink connectors for Pravega is 100% open source and community-driven. All components are available
under [Apache 2 License](https://www.apache.org/licenses/LICENSE-2.0.html) on GitHub.