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What’s New: Apache Druid unified web console in Metatron Discovery

Apache Druid implemented unified web consle from 0.14 version. Before the console, Druid has three web consles for the coordinator, overlord and old-coordinator which are disconnected with each other. That’s why Apache Druid proposed new unified web console. (Still old consoles are existed.) Detail improvement history is linked here. We also have our own engine monitoring console. But for compatibility with Apache Druid, this time we also backported the unified console of Apache Druid. To run the unified consle, you…

How to deal with druid data ingestion failure

In a previous post we looked at how to put data into a druid via Metatron Discovery, and summarized some things to note. What to keep in mind when ingesting a data source to Druid from Metatron Discovery This time, I’ll show you how to deal with data ingestion failures. Check for data source load failures When you create a data source in Metatron Discovery, a new list item is created in the “Data Storage> Data Source” in the Preparing…

Install & Setup notebook (Jupyter/Zeppelin)

With Metatron Discovery, you can analyze various data using ‘Workbook’ and ‘Workbench’. In additionally for more advanced analysis, it supports interconnect with 3rd party Notebook application. In this post, we will learn how to install the Jupyter and Zeppelin Notebook server. Jupyter Install Jupyter through Anaconda. Anaconda installation is recommended because data analysis requires a lot of Python Library. Anaconda3 https://www.anaconda.com/distribution/(shows the latest version of Anaconda) We need Python 3.x You can download here $ ~/.Anaconda3-2018.12-MacOSX-x86_64.sh After the installation, install…

Announce Metatron Discovery 3.2.3 patch release

Hello! We’re posting again for the newly released Metatron Discovery 3.2.3. We wanted to improve chart usability and give more information to developers who use Metatron Discovery. And so it is! we humbly introduce the version 3.2.3 main improvments: Highlights Metatron Discovery API document Finally we open our RESTful API document from now on! You can look up the API list through the URL link within the server. Currently, it is a draft, but will add more API contents soon….

What to keep in mind when ingesting a data source to Druid from Metatron Discovery

Getting data into a druid is not an easy job. This is especially difficult for those who are new to Druid. You have to set up unfamiliar options such as segment and granularity. And it is not easy to find out why when ingestion fails. So, today, I’ve just made a point of what to keep in mind while creating a data source. Creating a data source What is a data source? It is a unit of data contained in…