May 23, 2012

Post: MySQL caching methods and tips

… query performance magic bullet, unfortunately, I haven’t. The problem with the…. Use what you need Both Memcached and the MySQL query cache are limited…it, then do so. This avoids the CPU usage on your web server to create … hard problem to solve. My latest post on using Flexviews addresses this …

Post: MySQL for Hosting Providers - how do they manage ?

web technologies. So how do the hosting providers manage to host hundreds of users on single server with single MySQL server… queries. In my test I got OOM though…do_page_fault+0x4cb/0×830 [] error_exit+0×0/0×84 Do I need any particular privileges for this to happen ? Not really – you do not even need

Post: MySQL Life Cycle. Your Feedback is needed.

MySQL the same date as release would hit the web. Since that time I matured and so did MySQL ecosystem. MySQLI would still estimate more people running on MySQL or Percona Server 5.1 than 5.5 Facebook also sticks with MySQLMySQL on now ? Do we have any RHEL4 still in production ? RHEL3 ? I need

Post: High availability for MySQL on Amazon EC2 – Part 2 - Setting up the initial instances

I don’t like multi-lines output so I wrote a small filter script to on one line the parameters I needMySQL version in the Ubuntu repository by doing: root@hamysql:~# apt-get install mysql-server-5.1 The package install MySQL

Post: Content delivery system design mistakes

I helped dealing with performance problems (part MySQL related and part related to LAMP in … 10 different image servers. Keep Alive In my previous post I wrote you often do not need keep alive …on web server side and which can be avoided. How far in the future you want expire to be… it depends on

Post: Rendundant Array of Inexpensive Servers

need to design highly available MySQL powered system… how do you approach that ? Too often I see the question is approached by focusing onneed redundant power supplies. In mydo not share hardware but share the data center. You may have “spares” to provide extra on demand capacity for web servers

Post: Top 5 Wishes for MySQL

… to do that now. So here is my list 1. Be Pluggable Unlike many OpenSource projects MySQL … as single MySQL server with improved performance and high availability. Of course there is MySQL Cluster but …. I‘m not sure if MySQL got back to spend significant resources on taking care of Web guys needs

Post: How Web Services world affect LAMP Stack

… another web application: More workers required. In my post yesterday I mentioned you might need only few “workers” – actively working web server processes, if you do not… have limits on how frequently you can call Web Services. So you might want to cache data on Disk – in files or MySQL tables…

Post: State of MySQL Market and will Replication live ?

MySQL appeared on the market many web applications were simple and often not using database at all. MySQLservers. For others it becomes space and power constraint. It is also worth to mention Web vs Open Source component here. Ineed is some kind of breed between Ruby on

Post: Debugging sleeping connections with MySQL

…is happening you need more info. You my notice in …netstat command and filtering on the PID we …MySQL connections (to the same host, which if usually bad idea) and connection to some external web server. You can use strace -p to see what host is doing, it often gives a clue. In this case I