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!

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…
How to pass-through RNDIS USB dongle from host to virtual machine.

Simply passing of USB device to qemu virtual machine usually works well. I had no troubles passing most of devices,… 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…
DBMail over PostgreSQL + Postfix + SASL on Debian. Part 1. Introduction.

Databases are bad for email. Howbeit, sometimes you really don't need fast mailing system, but want to use an existing… Read more…
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…