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Apache Druid: a high performance real-time analytics database.
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Gian Merlino 337f3870d8 Fix TimeFormatExtractionFn getCacheKey when tz, locale are not provided. (#4007) 
* Fix TimeFormatExtractionFn getCacheKey when tz, locale are not provided.

* Remove unused import.

* Use defaults in cache key.
 		2017-03-04 17:41:59 -08:00
api Namespace optimization for hdfs data segments. (#3877) 2017-03-01 09:51:20 -08:00
aws-common Bump version to 0.10.0-SNAPSHOT. (#3913) 2017-02-06 17:54:35 -08:00
benchmarks Add default configuration for select query 'fromNext' parameter (#3986) 2017-03-01 17:05:35 -08:00
bytebuffer-collections Optimizations of union, intersection and iterators of concise bitsets (part of #3798) (#3883) 2017-02-10 18:02:26 -08:00
codestyle Checkstyle rule to outlaw tabs. (#3988) 2017-02-28 23:52:53 -08:00
common LifecycleLock for better synchronization in lifecycled objects (#3964) 2017-03-02 12:22:57 -08:00
distribution Require Java 8 and include some Java 8 dependencies. (#3914) 2017-02-14 12:51:51 -08:00
docs Fix TimeFormatExtractionFn getCacheKey when tz, locale are not provided. (#4007) 2017-03-04 17:41:59 -08:00
examples Bump version to 0.10.0-SNAPSHOT. (#3913) 2017-02-06 17:54:35 -08:00
extendedset Checkstyle rule to outlaw tabs. (#3988) 2017-02-28 23:52:53 -08:00
extensions-contrib TmpFileIOPeons to create files under the merging output directory, instead of java.io.tmpdir (#3990) 2017-03-02 14:05:12 -08:00
extensions-core TmpFileIOPeons to create files under the merging output directory, instead of java.io.tmpdir (#3990) 2017-03-02 14:05:12 -08:00
hll pre-computed HLL support for hyperUnique aggregator (#3909) 2017-02-13 15:26:20 -08:00
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indexing-service LifecycleLock for better synchronization in lifecycled objects (#3964) 2017-03-02 12:22:57 -08:00
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java-util Let toDateTime call fall through for Duration Granularity (#4001) 2017-03-03 13:27:22 -06:00
processing Fix TimeFormatExtractionFn getCacheKey when tz, locale are not provided. (#4007) 2017-03-04 17:41:59 -08:00
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services TmpFileIOPeons to create files under the merging output directory, instead of java.io.tmpdir (#3990) 2017-03-02 14:05:12 -08:00
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README.md update readme (#2830) 2016-04-13 11:33:31 -07:00
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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.