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Apache Druid: a high performance real-time analytics database.
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Roman Leventov d9f423f55d Make QueryMetrics factories configurable (#4268) 
* Ensure QueryMetrics factories accept Json ObjectMapper; Make QueryMetrics factories configurable

* Update QueryMetrics Javadocs

* Add javadocs to QueryMetrics factories

* Move queryMetricsFactory defaults to getter methods of config classes
 		2017-05-17 08:41:59 -07:00
api Make @Override annotation obligatory (#4274) 2017-05-16 13:30:30 -05:00
aws-common Update versions to 0.10.1-SNAPSHOT. (#4191) 2017-04-20 18:12:28 -07:00
benchmarks Improve `collection` related things that reusing a immutable object instead of creating a new object (#4135) 2017-05-17 01:38:51 +09:00
bytebuffer-collections Make @Override annotation obligatory (#4274) 2017-05-16 13:30:30 -05:00
codestyle Add Checkstyle rule to force comments to classes and methods to be Javadoc comments (#4239) 2017-05-04 11:14:41 -07:00
common Monomorphic processing of TopN queries with simple double aggregators over historical segments (part of #3798) (#4079) 2017-05-16 16:19:55 -07:00
distribution do not use --clean option when using bundle-contrib-exts profile so that core extensions are not wiped out (#4223) 2017-05-08 14:26:16 -05:00
docs add skipOffsetGaps flag (#4256) 2017-05-16 12:19:28 -06:00
examples Make @Override annotation obligatory (#4274) 2017-05-16 13:30:30 -05:00
extendedset Make @Override annotation obligatory (#4274) 2017-05-16 13:30:30 -05:00
extensions-contrib Monomorphic processing of TopN queries with simple double aggregators over historical segments (part of #3798) (#4079) 2017-05-16 16:19:55 -07:00
extensions-core Monomorphic processing of TopN queries with simple double aggregators over historical segments (part of #3798) (#4079) 2017-05-16 16:19:55 -07:00
hll Update versions to 0.10.1-SNAPSHOT. (#4191) 2017-04-20 18:12:28 -07:00
indexing-hadoop Make @Override annotation obligatory (#4274) 2017-05-16 13:30:30 -05:00
indexing-service Make @Override annotation obligatory (#4274) 2017-05-16 13:30:30 -05:00
integration-tests Update Error prone configuration; Fix bugs (#4252) 2017-05-12 15:55:17 +09:00
java-util Make @Override annotation obligatory (#4274) 2017-05-16 13:30:30 -05:00
processing Make QueryMetrics factories configurable (#4268) 2017-05-17 08:41:59 -07:00
publications Changes to lambda architecture paper required for HICSS (#3382) 2016-09-06 21:32:21 -07:00
server Make QueryMetrics factories configurable (#4268) 2017-05-17 08:41:59 -07:00
services Log max memory on startup too, in case Xmx and Xms are different. (#4283) 2017-05-16 20:06:34 -05:00
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CONTRIBUTING.md CONTRIBUTING update for the github squash button. (#4087) 2017-03-21 10:06:11 -07:00
DruidCorporateCLA.pdf fix CLA email / mailing address 2014-04-17 15:26:28 -07:00
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INTELLIJ_SETUP.md Add INTELLIJ_SETUP.md (#4261) 2017-05-17 01:26:16 +09:00
LICENSE Clean up README and license 2015-02-18 23:09:28 -08:00
NOTICE Copy closer into Druid codebase (fixes #3652) (#4153) 2017-04-10 09:38:45 +09:00
README.md update readme (#2830) 2016-04-13 11:33:31 -07:00
druid_intellij_formatting.xml Make formatting IntelliJ 2016 friendly (#2978) 2016-05-18 12:42:21 -07:00
eclipse.importorder Merge pull request #2905 from javasoze/eclipse_formatting 2016-04-29 18:42:03 -07:00
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README.md

Build Status Coverage Status

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.