Apache Druid: a high performance real-time analytics database.
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Kevin Conaway 93fdbcb364 Change RealtimeIndexTask to use AppenderatorDriver (#5261)
* Change RealtimeIndexTask to use AppenderatorDriver instead of RealtimePlumber.  Related to #4774

* Remove unused throwableDuringPublishing

* Fix usage of forbidden API

* Update realtime index IT to account for not skipping older data any more

* Separate out waiting on publish futures and handoff futures to avoid a race condition where the handoff timeout expires before the segment is published

* #5261 Add separate AppenderatorDriverRealtimeIndexTask and revert changes to RealtimeIndexTask

* #5261 Add separate AppenderatorDriverRealtimeIndexTask and revert changes to RealtimeIndexTask

* #5261 Readability improvements in AppenderatorDriverRealtimeIndexTask.  Combine publish and handoff futures in to single future

* #5261 Add separate tuningConfig for RealtimeAppenderatorIndexTask.  Revert changes to RealtimeTuningConfig

* #5261 Change JSON type to realtime_appenderator to keep the same naming pattern as RealtimeIndexTask
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README.md

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Druid

Druid is a distributed, column-oriented, real-time analytics data store that is commonly used to power exploratory dashboards in multi-tenant environments.

Druid excels as a data warehousing solution for fast aggregate queries on petabyte sized data sets. Druid supports a variety of flexible filters, exact calculations, approximate algorithms, and other useful calculations.

Druid can load both streaming and batch data and integrates with Samza, Kafka, Storm, Spark, and Hadoop.

License

Apache License, Version 2.0

More Information

More information about Druid can be found on http://www.druid.io.

Documentation

You can find the documentation for the latest Druid release on the project website.

If you would like to contribute documentation, please do so under /docs/content in this repository and submit a pull request.

Getting Started

You can get started with Druid with our quickstart.

Reporting Issues

If you find any bugs, please file a GitHub issue.

Community

Community support is available on the druid-user mailing list(druid-user@googlegroups.com).

Development discussions occur on the druid-development list(druid-development@googlegroups.com).

We also have a couple people hanging out on IRC in #druid-dev on irc.freenode.net.

Contributing

Please follow the guidelines listed here.