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Apache Druid: a high performance real-time analytics database.
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Xavier Léauté 7cd45a6e1f IncrementalIndex throws exception if limit exceeded 
- For now uses a hardcoded ratio of aggregator to timeanddim buffer sizes
- canAppendRow is a workaround for realtime index since the
Firehose currently does not have a way of rolling back the last event in
case of error
- canAppendRow needs a fudge factor; there is a race between checking
if we can add a row and actually adding a row, because of the way MapDB
reports its size.
 		2014-12-04 14:38:16 -08:00
common update joda-time and fix min/max instant 2014-12-04 10:57:56 -08:00
docs Refactor structure for examples and extensions 2014-11-21 14:45:24 -08:00
examples fix newline 2014-11-24 14:10:07 -08:00
extensions update jackson to 2.4.4 2014-12-04 10:57:56 -08:00
indexing-hadoop IncrementalIndex throws exception if limit exceeded 2014-12-04 14:38:16 -08:00
indexing-service IncrementalIndex throws exception if limit exceeded 2014-12-04 14:38:16 -08:00
processing IncrementalIndex throws exception if limit exceeded 2014-12-04 14:38:16 -08:00
publications pdf version 1.4 with fonts embedded 2014-04-02 11:30:01 -07:00
server IncrementalIndex throws exception if limit exceeded 2014-12-04 14:38:16 -08:00
services Replace google-http-client imports with real guava imports. 2014-12-04 10:57:57 -08:00
.gitignore Add docs from github wiki 2013-09-13 17:20:39 -05:00
DruidCorporateCLA.pdf fix CLA email / mailing address 2014-04-17 15:26:28 -07:00
DruidIndividualCLA.pdf fix CLA email / mailing address 2014-04-17 15:26:28 -07:00
LICENSE 1) Create LICENSE 2012-10-24 05:09:47 -04:00
README.md fix 2014-08-18 12:56:51 -07:00
build.sh simpler build script 2014-11-24 11:16:27 -08:00
eclipse_formatting.xml Eclipse formatting file. (only what I inferred from a few files) 2013-05-01 14:17:57 -04:00
intellij_formatting.jar rename code style jar 2014-11-21 14:51:23 -08:00
pom.xml use property for jackson version 2014-12-04 10:57:56 -08:00
upload.sh Fix upload script to actually upload into the directory 2013-07-19 16:57:55 -07:00

README.md

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 Storm and Hadoop.

More Information

Much more information about Druid can be found on our website.

Documentation

We host documentation on our website. If you want to contribute documentation changes, please submit a pull request to this repository.

Tutorials

We have a series of tutorials to get started with Druid, starting with this one.

Support

Report any bugs using GitHub issues.

Contact us through our forum or on IRC in #druid-dev on irc.freenode.net.