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Apache Druid: a high performance real-time analytics database.
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Jonathan Wei 9d91ffd039 Use ubuntu image with pre-installed java 8 for IT docker (#4970) 
* Use OpenJDK8 instead of Oracle for IT docker

* install wget

* Use different docker image

* Revert "Use different docker image"

This reverts commit 5786c03cb4.

* Revert "install wget"

This reverts commit 8d1d5ec681.

* Revert "Use OpenJDK8 instead of Oracle for IT docker"

This reverts commit 55ea163bb5.

* Use prebuilt java8 image

* Add comment on docker image
 		2017-10-18 09:33:27 -05:00
.idea Add checkstyle and intellij rule to prohibit unnecessary qualifiers in interfaces (#4958) 2017-10-13 07:56:19 -07:00
api Refactor ColumnSelectorFactory; Rely on ColumnValueSelector's polymorphism (#4886) 2017-10-13 21:44:17 -05:00
aws-common Refactoring PrefetchableTextFilesFirehoseFactory (#4836) 2017-10-13 21:39:28 -05:00
benchmarks Refactor ColumnSelectorFactory; Rely on ColumnValueSelector's polymorphism (#4886) 2017-10-13 21:44:17 -05:00
bytebuffer-collections Add checkstyle and intellij rule to prohibit unnecessary qualifiers in interfaces (#4958) 2017-10-13 07:56:19 -07:00
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common Add streaming aggregation as the last step of ConcurrentGrouper if data are spilled (#4704) 2017-10-17 23:24:08 -07:00
distribution Bump versions in master to 0.11.1-SNAPSHOT. (#4878) 2017-09-28 17:09:51 -05:00
docs Add streaming aggregation as the last step of ConcurrentGrouper if data are spilled (#4704) 2017-10-17 23:24:08 -07:00
examples Make float default representation for DoubleSum/Min/Max aggregators (#4944) 2017-10-16 17:17:22 -07:00
extendedset Add checkstyle and intellij rule to prohibit unnecessary qualifiers in interfaces (#4958) 2017-10-13 07:56:19 -07:00
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hll Bump versions in master to 0.11.1-SNAPSHOT. (#4878) 2017-09-28 17:09:51 -05:00
indexing-hadoop Refactor ColumnSelectorFactory; Rely on ColumnValueSelector's polymorphism (#4886) 2017-10-13 21:44:17 -05:00
indexing-service Refactor ColumnSelectorFactory; Rely on ColumnValueSelector's polymorphism (#4886) 2017-10-13 21:44:17 -05:00
integration-tests Use ubuntu image with pre-installed java 8 for IT docker (#4970) 2017-10-18 09:33:27 -05:00
java-util Add streaming aggregation as the last step of ConcurrentGrouper if data are spilled (#4704) 2017-10-17 23:24:08 -07:00
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server Refactor ColumnSelectorFactory; Rely on ColumnValueSelector's polymorphism (#4886) 2017-10-13 21:44:17 -05:00
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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.