vbtechsupport.com Blog

Apache v2.4.1 ApacheBench v2.3 revision 1178079 benchmark tool faster than Apache v2.2’s revision ?

Started Apache v2.4.1 benchmark tests on CentOS 6.2 64bit guest Virtualbox server mainly with using Siege benchmark and ApacheBench benchmark tools. But noticed something interesting in that if I use ApacheBench v2.3 revision 1178079 included with Apache v2.4.1 to test against both Apache v2.2.22 and Apache v2.4.1 webservers, that it’s consistently and repeatedly ~12% faster...

MariaDB 5.5.20 Alpha MySQL Server Released

MariaDB 5.5.20 Alpha MySQL Server has been released based on MySQL 5.5 with merging of MariaDB 5.3 with MySQL 5.5. Full MariaDB 5.5.20 Change Log. Full description of MariaDB 5.5 here. MariaDB 5.5.20 is an Alpha release. MariaDB 5.5.20-alpha is a merge of MariaDB 5.3 and MySQL 5.5 with some limited additional bug fixes. This...

MariaDB 5.3.4 vs MySQL 5.5.20 – 5.1 XtraDB Engine vs InnoDB Plugin

Percona folks released some surprising Sysbench MySQL InnoDB Engine benchmarks comparing MariaDB 5.3.4 RC (which is based on Percona 5.1 XtraDB InnoDB engine) with MySQL 5.5.20 (InnoDB plugin). The results showed MySQL 5.5.20 was out performing MariaDB 5.3.4 RC for simple Sysbench OLTP InnoDB benchmark tests. MariaDB folks then did their own MariaDB 5.3.4 RC...

Apache httpd 2.4.1 Officially Released

Apache has announced official release of Apache v2.4.1. Full change log at http://www.apache.org/dist/httpd/CHANGES_2.4 and What’s new at http://httpd.apache.org/docs/trunk/new_features_2_4.html The Apache HTTP Server Project is pleased to announce the release of version 2.4.1 of the Apache HTTP Server (“Apache” and “httpd”). This version of Apache is our first GA release of the new generation 2.4.x branch...

It’s official, Percona XtraBackup does not support MariaDB 5.2 & 5.3 MySQL yet

Percona XtraBackup tool for non-blocking MySQL InnoDB and XtraDB backups has been out for a while now. There’s been an outstanding bug #733665 logged since March, 2011 with regards to Percona XtraBackup’s innobackupex-1.5.1 script not detecting MariaDB 5.2 and now 5.3 based MySQL forks. When you run Percona XtraBackup’s innobackupex-1.5.1 script with MariaDB 5.2 or...

Percona Server 5.5.19-24.0 Released

Percona MySQL Server 5.5.19-24.0 has been released. Based on MySQL 5.5.19, it includes all the bug fixes in it. New Features Variable innodb_flush_neighbor_pages can be now set to a new value cont. The previously-available option values 0 and 1 now have more descriptive names none and area. The value of none disables the neighbor page flush and area matches the default InnoDB behavior: any dirty pages in...

Unixy Varnish v1.4.5 RC7 Released fixes Varnish Cache Error 400 Bad Requests

WHM/Cpanel and Direct Admin users who have installed Unixy Varnish Cpanel plugin would be happy to know Unixy Varnish v1.4.5 RC7 has been released to fix Varnish Error 400 Bad Requests error messages. Google search for the error message shows various reasons for 400 Bad Requests errors related to backend Apache web server settings for...

DNS Made Easy: DNS IP Fail Over really works !

Previously I mentioned I switched to using DNS Made Easy as work around for Centminmod.com’s load balanced Haproxy fail over implementation. My Haproxy load balanced 5x LEB (Low End Box) VPSes for Centminmod.com are OpenVZ based VPSes with no way of making sysctl.conf edits for non-local binding of virtual IP addresses for load balancer fail...