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Greenplum’s best practices

june 16, 2023 Best practices for schema design, query debugging and database support in Greenplum Best practices are a collection of methods and approaches that have been shown to be superior to alternatives as a result of their use. It is an amalgamation of knowledge and experience that allows the product to be used correctly […]

Uploading XML files to Greenplum

june 08, 2023 Uploading XML files to Greenplum This article will describe the approach to loading xml-files into Greenplum. The task was to develop a data warehouse in Greenplum and to load fact and reference data directly from xml-files, since the data were provided in xml-files. Many people store data in xml files, so the […]

Creating users with limited privileges in Apache Superset

june 01, 2023 Creating users with limited privileges in Apache Superset. Developing analytical systems with regard to end users implies the absence of unnecessary information unrelated to the final product. In Apache Superset, this is achieved through the creation of role-based models. The platform comes with a standard set of roles: — Admin: administrators who […]

Configuring Kylin (Spark) Components

may 25, 2023 Configuring Kylin (Spark) Components Not so long ago our company started to master the new Apache technology stack. After several successful projects we want to share our development experience and some features. After deploying the Apache Kylin docker image from the developers (apachekylin/apache-kylin-standalone:4.0.0), working with analytics solutions, encountered the problem of resource […]

Deploying Kylin cubes from the script

may 18, 2023 Deploying Kylin cubes from the script Recently, open-source software has been gaining in popularity and active use. Our company has followed the main trend and started to master the new Apache technology stack. After several successful projects we want to share our development experience and some features. The metadata of analytics solutions […]

Kylin cube segment processing automation via NiFi

may 11, 2023 Kylin cube segment processing automation via NiFi Recently, open-source software has been gaining in popularity and active use. Our company has followed the main trend and started to master the new Apache technology stack. After several successful projects we want to share our development experience and some features. Developing an analytics solution […]

Configuring the local Kylin cache to optimize query execution time

may 5, 2023 Configuring the local Kylin cache to optimize query execution time Open source technologies have become more and more popular and widely used lately. Our company is not an exception and began to master the new Apache technology stack. After several successful projects we would like to share our development experience and some […]

Using hyperlinks to pass filter values from one dashboard to another in Apache Superset

april 28, 2023 Using hyperlinks to pass filter values from one dashboard to another in Apache Superset. Creating interactive analytics solutions is in wide demand in the field of data research. The formation of dashboards with sequential deepening into data sections is a well-known and logical mechanic for building an analytical system. In order for […]

Features of Kylin object changes

april 21, 2023 Features of Kylin object changes Recently, open-source technologies have become increasingly popular and actively used. Our company is no exception and began to master the new Apache technology stack. After several successful projects we want to share our development experience and some features. It is a well-known fact that the development of […]

Connecting Apache SuperSet to Apache Kylin.

april 19, 2023 Connecting Apache SuperSet to Apache Kylin. The combination of open-source solutions opens up many possibilities for creating analytical systems. In this sense, using Apache Kylin cubes as a data source for Apache SuperSet dashboards is a very attractive idea. However, connecting them is not such a trivial task.  Environment: — Apache SuperSet […]