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https://github.com/apache/ozone

Scalable, reliable, distributed storage system optimized for data analytics and object store workloads.
https://github.com/apache/ozone

big-data hadoop kubernetes object-store s3 storage

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Scalable, reliable, distributed storage system optimized for data analytics and object store workloads.

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Apache Ozone
===

Ozone is a scalable, redundant, and distributed object store for Hadoop and Cloud-native environments. Apart from scaling to billions of objects of varying sizes, Ozone can function effectively in containerized environments such as Kubernetes and YARN.

* MULTI-PROTOCOL SUPPORT: Ozone supports different protocols like S3 and Hadoop File System APIs.
* SCALABLE: Ozone is designed to scale to tens of billions of files and blocks and, in the future, even more.
* CONSISTENT: Ozone is a strongly consistent object store. This consistency is achieved by using protocols like RAFT.
* CLOUD-NATIVE: Ozone is designed to work well in containerized environments like YARN and Kubernetes.
* SECURE: Ozone integrates with Kerberos infrastructure for authentication, supports native ACLs and integrates with Ranger for access control and supports TDE and on-wire encryption.
* HIGHLY AVAILABLE: Ozone is a fully replicated system that is designed to survive multiple failures.

## Documentation

The latest documentation is generated together with the releases and hosted on the apache site.

Please check [the documentation page](https://ozone.apache.org/docs/) for more information.

## Contact

Ozone is a top level project under the [Apache Software Foundation](https://apache.org)

* Ozone [web page](https://ozone.apache.org)
* Mailing lists
* For any questions use: [[email protected]](https://lists.apache.org/[email protected])
* Chat: There are a few ways to interact with the community
* You can find the #ozone channel on the official ASF Slack. Invite link is [here](http://s.apache.org/slack-invite).
* You can use [GitHub Discussions](https://github.com/apache/ozone/discussions) to post questions or follow community syncs.
* There are Open [Weekly calls](https://cwiki.apache.org/confluence/display/OZONE/Ozone+Community+Calls) where you can ask anything about Ozone.
* Past meeting notes are also available from the wiki.
* Reporting security issues: Please consult with [SECURITY.md](./SECURITY.md) about reporting security vulnerabilities and issues.

## Download

Latest release artifacts (source release and binary packages) are [available](https://ozone.apache.org/downloads/) from the Ozone web page.

## Quick start

### Run Ozone from published Docker image

The easiest way to start a cluster with docker is:

```
docker run -p 9878:9878 apache/ozone
```

And you can use AWS S3 cli:

```
aws s3api --endpoint http://localhost:9878/ create-bucket --bucket=wordcount
aws s3 --endpoint http://localhost:9878 cp --storage-class REDUCED_REDUNDANCY /tmp/testfile s3://wordcount/testfile
```

### Run Ozone from released artifact

If you need a more realistic cluster, you can [download](https://ozone.apache.org/downloads/) the latest (binary) release package, and start a cluster with the help of docker-compose:

After you untar the binary:

```
cd compose/ozone
docker-compose up -d --scale datanode=3
```

The `compose` folder contains different sets of configured clusters (secure, HA, mapreduce example), you can check the various subfolders for more examples.

### Run on Kubernetes

Ozone is a first class citizen of the Cloud-Native environments. The binary package contains multiple sets of K8s resource files to show how it can be deployed.

## Build from source

Ozone can be built with [Apache Maven](https://maven.apache.org):

```
mvn clean install -DskipTests
```

And can be started with the help of Docker:

```
cd hadoop-ozone/dist/target/ozone-*/compose/ozone
docker-compose up -d --scale datanode=3
```
For more information, you can check the [Contribution guideline](./CONTRIBUTING.md)

## Contribute

All contributions are welcome.

1. Please open a [Jira](https://issues.apache.org/jira/projects/HDDS/issues) issue
2. And create a pull request

For more information, you can check the [Contribution guideline](./CONTRIBUTING.md)

## License

The Apache Ozone project is licensed under the Apache 2.0 License. See the [LICENSE](./LICENSE.txt) file for details.