Surekha 8619adb5b9 Improve task retrieval APIs on Overlord (#5801)
* Add the new tasks api in overlordResource

It takes 4 optional query params
* state(pending/running/waiting/compelte)
* dataSource
* interval (applies to completed tasks)
* maxCompletedTasks (applies to completed tasks)

If all params are null, the api returns all the tasks

* Add the state to each task returned by tasks endpoint

* divide active tasks into waiting, pending or running
* Add more unit tests

* Add UNKNOWN state to TaskState

* Fix the authorization calls

* WIP: PR comments

Added new class to capture task info for caching
Other refactoring

* Refactoring : move TaskStatus class to druid-api

so it can be accessed within server
And other related classes like TaskState and TaskStatusPlus are in api

* Remove unused class and apis accessing it

* Add a separate cache for recently completed tasks

This is to mainly capture the task type from payload

* Ignore a test

* Add a RuntimeTaskState to encompass all states a task can be in

* Revert "Add a RuntimeTaskState to encompass all states a task can be in"

This reverts commit 2a527a0731a064dc0f15cf2ba3dfc5f639c6e182.

* Fix wrong api call

* Fix and unignore tests

* Remove waiting,pending state from TaskState

* Add RunnerTaskState

* Missed the annotation runnerStatusCode

* Fix the creationTime

* Fix the createdTime and queueInsertionTime for running/active tasks
* Clean up tests

* Add javadocs

* Potentially fix the teamcity build

* Address PR comments

*Get rid of TaskInfoBuilder
*Make TaskInfoMapper static nested class
*Other changes

* fix import in MaterializedViewSupervisor after merge

* Address PR comments on

* Replace global cache with local map
* combine multiple queries into one
* Removed unused code

* Fix unit tests

Fix a bug in securedTaskStatusPlus

* Remove getRecentlyFinishedTaskStatuses method

Change TaskInfoMapper signature to add generic type

* Address PR comments

* Passed datasource as argument to be used in sql query
* Other minor fixes

* Address PR comments

*Some minor changes, rename method, spacing changes

* Add early auth check if datasource is not null

* Fix test case

* Add max limit to getRecentlyFinishedTaskInfo in HeapMemoryTaskStorage
* Add TaskLocation to Anytask object

* Address PR comments

* Fix a bug in test case causing ClassCastException
2018-06-19 11:34:59 -07:00
2018-02-10 13:13:33 -08:00
2015-02-18 23:09:28 -08:00
2018-06-15 13:50:48 -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

The Druid community is in the process of migrating to Apache by way of the Apache Incubator. Eventually, as we proceed along this path, our site will move from http://druid.io/ to https://druid.apache.org/.

Community support is available on the druid-user mailing list(druid-user@googlegroups.com), which is hosted at Google Groups.

Development discussions occur on dev@druid.apache.org, which you can subscribe to by emailing dev-subscribe@druid.apache.org.

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.
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