Blog

Data Engineering & Data Science How to implement Matrix Multiplication using Map-Reduce?

Jan 31, 2022

There is one use case that we have to implement Matrix multiplication using Map Reduce.

Java Object-relational Mapping Using JPA, Hibernate and Spring Data JPA. Comparing the approaches of persisting entities

Jan 24, 2022

We're continuing our series on Object-relational Mapping Using JPA Hibernate and Spring Data JPA This time we look at comparing the approaches of persisting entities.

IT Project Management Non-working KPIs in IT: what they can cause and how to choose the right ones. Algorithm for creating KPIs

Jan 17, 2022

The second article about non-working KPI. We will look at how to create KPI’s that actually improve performance.

Data Engineering & Data Science How to load data from GCS to BigQuery?

Jan 9, 2022

Using Сlоud Funсtiоns оr Сlоud Соmроser tо mоve dаtа frоm GСS tо nаtive BigQuery tаbles is а viаble аррrоасh. We will fосus оn the usаge оf Сlоud Funсtiоns here.

Java Object-relational Mapping Using JPA Hibernate and Spring Data JPA. Persistence with Spring Data JPA

Jan 3, 2022

We're continuing our series on Object-relational Mapping Using JPA Hibernate and Spring Data JPA. Happy reading.

IT Project Management Non-working KPIs in IT: what they can cause and how to choose the right ones

Dec 27, 2021

In this article, we will learn why KPIs are important to tech companies. How to see which KPI work and which don’t. What problems they can cause, and how to develop the right performance metrics for…

Java Object-relational Mapping Using JPA, Hibernate and Spring Data JPA. Switching between JP and Hibernate

Dec 20, 2021

Another article in our series. In this one we talk about switching between JP and Hibernate.

Software architecture and design How to solve the problem of selective MPP queries over > 10 TB tables without performing a full table scan?

Dec 13, 2021

Раrtitiоns аre а greаt орtimizаtiоn if we knоw whiсh соlumns we’re gоing tо filter by аnd whаt kind оf questiоns аre gоing tо be аsked оn thаt tаble.

Java Object-relational Mapping Using JPA, Hibernate and Spring Data JPA. Native Hibernate configuration

Dec 6, 2021

We're continuing our series on object-relational mapping using JPA, Hibernate and Spring Data JPA. This time we look at native hibernate configuration.

Data Engineering & Data Science How to solve the issue of querying Kafka Streaming Data? Writing а KSQL Query

Nov 29, 2021

The second part of our article on querying Kafka Streaming Data.

Java Object-relational Mapping Using JPA, Hibernate and Spring Data JPA. Persistence with JPA

Nov 22, 2021

The second part of our article series on Object-relational Mapping Using JPA, Hibernate and Spring Data JPA. This time we look at persistence with JPA.