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Welcome to the Metatron Discovery User Group!

Metatron Discovery, powered by customized Druid, is an open source project since Aug 2018. This is a forum for public questions concerning the Metatron Discovery product itself, open-sourced project and Metatron's packaging of Druid.

Before you ask a question, please refer our user manual first. Also if you found a bug, check github issues marked as bug first.

Thanks always using Metatron Discovery!

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4/4/20

LICENSE Shown as Apache 2.0

Hi All, The Github repo shows the license for this as Apache 2.0. But I read somewhere on wikipedia

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LICENSE Shown as Apache 2.0

Hi All, The Github repo shows the license for this as Apache 2.0. But I read somewhere on wikipedia

4/4/20

9:03 AM

David will be coming around again

Hey neighbors! David will be coming around again to clean our air vents and dryer vents. He did an

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David will be coming around again

Hey neighbors! David will be coming around again to clean our air vents and dryer vents. He did an

9:03 AM

Jessica Jorden2

Jul 20

David will be coming around again

Anyone interested? On Sunday, July 19, 2026 at 12:22:32 AM UTC+5 Jessica Jorden wrote: Hey neighbors!

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David will be coming around again

Anyone interested? On Sunday, July 19, 2026 at 12:22:32 AM UTC+5 Jessica Jorden wrote: Hey neighbors!

Jul 20

Jessica Jorden2

Jul 16

David will be coming around again

Anyone interested? On Wednesday, July 15, 2026 at 9:28:37 PM UTC+5 Jessica Jorden wrote: Hey

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David will be coming around again

Anyone interested? On Wednesday, July 15, 2026 at 9:28:37 PM UTC+5 Jessica Jorden wrote: Hey

Jul 16

Jessica Jorden2

Jul 13

David will be coming around again

Anyone interested? On Saturday, July 11, 2026 at 6:54:29 PM UTC+5 Jessica Jorden wrote: Hey neighbors

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David will be coming around again

Anyone interested? On Saturday, July 11, 2026 at 6:54:29 PM UTC+5 Jessica Jorden wrote: Hey neighbors

Jul 13

12/26/25

#GROUP DISCOUNT FOR DUCTS/VENTS CLEANING!

Hello neighbors! I'm planning to get my Ducts/Vents cleaned soon, based on a recommendation from

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#GROUP DISCOUNT FOR DUCTS/VENTS CLEANING!

Hello neighbors! I'm planning to get my Ducts/Vents cleaned soon, based on a recommendation from

12/26/25

sheetal warbhuvan

7/3/23

Link provided to Get Metatron Discovery image is not valid

Hello! I am not able to get metatron discovery image. Link provided in the installation guide in not

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Link provided to Get Metatron Discovery image is not valid

Hello! I am not able to get metatron discovery image. Link provided in the installation guide in not

7/3/23

11/26/21

Druid source code

Any updates on Metatron's custom Druid ? Is it ever going to be open source ? We need an answer

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Druid source code

Any updates on Metatron's custom Druid ? Is it ever going to be open source ? We need an answer

11/26/21

7/19/21

can not Ingest data with Metatron 2021.2 and Druid 2021.2

Hi. I just try to download source code, build application and run druid version 2021.2. I use quick-

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can not Ingest data with Metatron 2021.2 and Druid 2021.2

Hi. I just try to download source code, build application and run druid version 2021.2. I use quick-

7/19/21

5/26/21

Hi all, I'm currently working on designing a data lake/analytics pipeline on top of the new

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Hi all, I'm currently working on designing a data lake/analytics pipeline on top of the new

5/26/21

Александр Сидорчук2

3/23/21

Is project dead?

Oh, new release came! With Hadoop 3.1 dependencies!!! Many thanks guys! You are the best! четверг, 18

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Is project dead?

Oh, new release came! With Hadoop 3.1 dependencies!!! Many thanks guys! You are the best! четверг, 18

3/23/21

2/19/21

Using Metatron as a backend query engine API, to connect with a front-end API

Hey can anyone advise on using Metatron as a backend query engine? I want to make a visualization app

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Using Metatron as a backend query engine API, to connect with a front-end API

Hey can anyone advise on using Metatron as a backend query engine? I want to make a visualization app

2/19/21

11/6/20

Dashboard Save Fail/Error

I am running the Custom Install of Druid and Metatron on my Macbook. Installed by downloading

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Dashboard Save Fail/Error

I am running the Custom Install of Druid and Metatron on my Macbook. Installed by downloading

11/6/20

Jae Young Lee, … vinutho...@gmail.com7

9/11/20

Meaningless ERROR message while installing metatron discovery

hi sudanshu, can u share what you did to build frontend?? thx On Thursday, November 22, 2018 at 2:08:

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Meaningless ERROR message while installing metatron discovery

hi sudanshu, can u share what you did to build frontend?? thx On Thursday, November 22, 2018 at 2:08:

9/11/20

vinutho...@gmail.com

9/11/20

Build Failure on Ubuntu

Hi All, Last year i was able to build the frontend also But now the frontend build fails. I already

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Build Failure on Ubuntu

Hi All, Last year i was able to build the frontend also But now the frontend build fails. I already

9/11/20

Daniela Brito de Jesus

8/24/20

Metatron in Portuguese?

Dear all, I am a member of an IT company team in Brazil. Congrats on the project! We found it

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Metatron in Portuguese?

Dear all, I am a member of an IT company team in Brazil. Congrats on the project! We found it

8/24/20

6/7/20

How to Load streaming data from Kafka by API

Dear all, I am using Druid 0.9.1 (custome by https://github.com/metatron-app/metatron-discovery) I

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How to Load streaming data from Kafka by API

Dear all, I am using Druid 0.9.1 (custome by https://github.com/metatron-app/metatron-discovery) I

6/7/20

alexandr....@apm-consult.com, … alex.sid...@gmail.com5

4/13/20

Druid and Hadoop 3.1 (Hadoop indexing).

Alchan Lee hello! Please help, with 3.1.1 customized Druid build...

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Druid and Hadoop 3.1 (Hadoop indexing).

Alchan Lee hello! Please help, with 3.1.1 customized Druid build...

4/13/20

redfa...@gmail.com

3/31/20

How does I get geometry informations from MySQL db

I've create a table in Mysql with a geometry column where I store a point element. Mysql produce

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How does I get geometry informations from MySQL db

I've create a table in Mysql with a geometry column where I store a point element. Mysql produce

3/31/20

thesp...@gmail.com

3/28/20

Event Trigger Metatron App

Hi I am using the Metatorn App to create a geographical map of the main monuments of Rome. I wish

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Event Trigger Metatron App

Hi I am using the Metatorn App to create a geographical map of the main monuments of Rome. I wish

3/28/20

shorts...@gmail.com, … Flavius Burca5

3/6/20

Source of Metatron Druid fork?

Hi Navis, I can help with that if you still want to make it open-source.

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Source of Metatron Druid fork?

Hi Navis, I can help with that if you still want to make it open-source.

3/6/20

v...@improvado.io

1/22/20

Metatron instance stability

Hi guys, Right now we are trying to adopt Metatron under our needs, and have some problems with

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Metatron instance stability

Hi guys, Right now we are trying to adopt Metatron under our needs, and have some problems with

1/22/20

1/4/20

Manual refresh of datasource

I have created a data source in the metatron discovery, I want to refresh it manually rather using

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Manual refresh of datasource

I have created a data source in the metatron discovery, I want to refresh it manually rather using

1/4/20

rajat....@lumiq.ai, jungryong3

12/30/19

AWS Athena jdbc connection with Metatron-discovery

You can also refer to following url : https://metatron.app/2019/06/18/metatron-discoverys-connection-

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AWS Athena jdbc connection with Metatron-discovery

You can also refer to following url : https://metatron.app/2019/06/18/metatron-discoverys-connection-

12/30/19

rajat....@lumiq.ai, kyungtaak Noh3

12/26/19

Query on druid ingested tables

Thanks, It works.

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Query on druid ingested tables

Thanks, It works.

12/26/19

rajat....@lumiq.ai

12/23/19

HIve Connection with AWS glue table

How metatron-discovery can connect with AWS glue?

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HIve Connection with AWS glue table

How metatron-discovery can connect with AWS glue?

12/23/19

sambi...@gmail.com, … Navis Ryu3

11/20/19

Metatron Usecases

1. It's all done in broker (aka. not distributed) 2. Only supports equi-join (inner, left, right,

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Metatron Usecases

1. It's all done in broker (aka. not distributed) 2. Only supports equi-join (inner, left, right,

11/20/19

woomin park, … Mahesh Venkat5

11/11/19

Hi, Just now I download the latest version from https://metatron.app/download/installation-guide-

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Hi, Just now I download the latest version from https://metatron.app/download/installation-guide-

11/11/19

11/11/19

data source from a directory of files

Hi, How do I specify a datasource as a directory of json files ? Is there is a CLI to ingest data? In

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data source from a directory of files

Hi, How do I specify a datasource as a directory of json files ? Is there is a CLI to ingest data? In

11/11/19

11/1/19

Druid 3.3.1 for Hadoop 3.1.1

Hi, Can you please provide a release of druid-metatron-3.3.1.tar.gz for Hadoop 3.1.1 ? Thank you,

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Druid 3.3.1 for Hadoop 3.1.1

Hi, Can you please provide a release of druid-metatron-3.3.1.tar.gz for Hadoop 3.1.1 ? Thank you,

11/1/19

11/1/19

Supported hive versions ?

Hi, What is the supported Hive version ? Thanks, Flavius

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Supported hive versions ?

Hi, What is the supported Hive version ? Thanks, Flavius

11/1/19

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