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  • Database
    • Oracle
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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:

  • Virtualization
  • Android
  • OpenVPN
  • Databases
  • Orange Pi

and others

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

You’re welcome!

Featured

  • Oracle DB. Using dbms_alert for queuing and parallel data processing.

    Oracle has an interesting package to provide an event-based logic named dbms_alert. In this article I will use it to… 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…

  • Running QEMU VM with the latest kernel inside 2.6 OpenVZ container.

    There are many of cheap NAT OpenVZ VPSes on market. However, OpenVZ virtualization has certain limitations and comes with old… 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…

  • Comparing Apache mod_php, fcgid, proxy_fcgi + php-fpm with different MPMs for a WordPress blog.

    Wordpress platform is very popular for personal sites and blogs. In this article I will stress-test my own site in… Read more…

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