Roman Leventov ca9f0e2b27 Don't override finalize() and reduce locking in LoadBalancingPool and ReferenceCountedResourceHandler (#3874)
* Specialize LoadBalancingPool as MemcacheClientPool, reduce locking and don't override Object.finalize()

* Remove locking and don't override Object.finalize() in ReferenceCountingResourceHolder

* Add leak counts in ReferenceCountingResourceHolder and MemcacheClientPool. Add tests for ReferenceCountingResourceHolder and MemcacheClientPool

* Fix a race condition in ReferenceCountingResourceHolder.increment()
2017-02-06 17:14:46 -08:00
2017-02-06 15:52:17 +05:30
2016-12-14 21:05:56 -08:00
2015-02-18 23:09:28 -08:00
2016-04-13 11:33:31 -07:00

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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.

Description
Apache Druid: a high performance real-time analytics database.
Readme Apache-2.0 730 MiB
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