About

Hi!

This is just another programmer personal blog. It contains various interesting things from information technologies world, which I would like to share with you, such as:

and others

Read, comment, criticize or thank, if you find something useful.

You’re welcome!

About distribution, hashing and target segment number calculation in GPDB 5x.

In GPDB 5x, table’s data can be distributed RANDOMLY or by set of columns. The essential parts of column-based distribution… Read more…
How to install Android x86 6.0, 7.0 on VMWare ESXi. Warning, many screenshots.

I don't know why, but installing Android x86 6.0 and 7.0 on VMWare ESXi is not quite simple as it… Read more…
How to minimize your Docker image. 5 tips and tricks. Example of minifying from 328MB to 56MB.

You can be surprised how much disk space Docker images can consume. In this article we will look at several… Read more…
Oracle DB. Changing and fixing query execution plan using dbms_spm.

Oracle Query Optimizer generally works well, but sometimes it makes your fast and polished queries slow down. Often, you can… Read more…
Fault tolerant PostgreSQL cluster with automatic failover using Repmgr and Barman. Part 1. Introduction.

Right off the bat, this is what you'll get in the end: Synhronous standby server using repmgrRepmgr daemons running not… Read more…