Monthly Archives: Duben 2014

Oracle Java 1.8 JDK installation (Debian Jessie alpha)

Posted on 26.4.2014 by admin

As you know, Openjdk is spammed through all main linux distributions. If you like Oracle (eh) or just want to have good old Sun java, not slow Openjdk…. and you are really lazy, check this out 🙂

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Disk benchmarking – Bonnie++ (OpenSUSE 13.1)

Posted on 26.4.2014 by admin

If you think that simple „dd bs=1M count=512 if=/dev/zero of=test conv=fdatasync“ disk benchmarking is not enough – you’re completely right. There are not so many tools benchmarking your disk, one of the most used is Bonnie++.

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Change data directory – MariaDB 10.0.x

Posted on 22.4.2014 by admin

One of most valuable thing is good documentation – for common database actions. I didn´t find any well documented step-by-step guide to change data directory in MariaDB, Debian environment. Please be aware that this one guide is not perfect and … Continue reading →

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MariaDB 10.x install – Debian 7.4 x64

Posted on 22.4.2014 by admin

As Debian is still using MySQL in default, there are very few steps to install MariaDB 10.x…

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Change data directory – PostgreSQL

Posted on 22.4.2014 by admin

Useful and common task, should be well documented. Let´s try it! Debian 7.4 x64, PostgreSQL 9.3.2

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Why am I using XFS?

Posted on 9.4.2014 by admin

I must admit I´m really conservative person in many ways. I´m using XFS almost from my linux beginnings, from 2001, when this file system was released for masses 🙂

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DB2 data sampling

Posted on 7.4.2014 by admin

Sometimes it would be very helpful to have a chance gather sample values. What if rownum limitation affects quality of records? What if the main table logic is residental in the middle of huge table? Welcome to data sampling world … Continue reading →

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