…’s default as well as RHEL 6.2 stock AMI images (I had to modify the script slightly for the Amazon image) but it didn’t work on either. Should I install Percona server: http://www.percona.com/doc/percona-server/5.5/installation.html on these images before running this intercontinental…
Post: Content delivery system design mistakes
February 11, 2007 By 9 Comments
… especially for “aggregate” pages which may require images to be pulled from 10 different image servers. Keep Alive In my previous post I… objects which only change with their urls. Server side caching The benefit of server side caching is not so obvious for serving… of course depends on the server which you’re using – apache in prefork mode (ie same server used for static and dynamic…
Post: Shard-Query EC2 images available
May 11, 2011 By 2 Comments
Infobright and InnoDB AMI images are now available There are now demonstration AMI images for Shard-Query. Each image comes pre-loaded with… ami-8eb648e7 shard-query-innodb-demo-64bit x86_64 Percona Server 5.5.11 with XtraDB. Requires m1.large or larger… a text file on shard1 called “/tmp/servers.txt” and run the following commands: $ cat servers.txt | grep “10.”| grep -v internal…
Post: High availability for MySQL on Amazon EC2 – Part 2 - Setting up the initial instances
June 29, 2010 By 9 Comments
…@yves-laptop:~$ ec2-describe-images ami-1cdf3775 IMAGE ami-1cdf3775 099720109477/ubuntu-images-testing/ubuntu-lucid-daily-i386-server-20100618 099720109477 available public i386… Ubuntu repository by doing: root@hamysql:~# apt-get install mysql-server-5.1 The package install MySQL has an automatic startup…
Post: Goal driven performance optimization
December 22, 2008 By Leave a Comment
… 3 more seconds to load all style sheets images and render the page server side optimization is more important. If you have… performance optimization potential. But let us get back to the Server Side Optimization. Lets assume our performance goal applies to the… for less complicated single MySQL server application there is often the question if it is MySQL server causing the problem or if…
Comment: Using LVM for MySQL Backup and Replication Setup
March 21, 2008 By 53 Comments
… Windows servers. We use a external NAS that Snapshots an immage of the Volume on other windows servers. We mount that image on a VMware like (vurtualbox) enviromemmt as a live enviroment if the server were to crash. If we are running My SQL on a Windows server Can we use the…
Post: Are PHP persistent connections evil ?
November 12, 2006 By 31 Comments
… is of course to use multiple IPs on your MySQL server (you’re probably using Intranet range IPs anyway). So one… other problem with persistent connections is using too many MySQL server connections. Some people simply do not realize you can increase… MySQL connection open, others will serve static content such as images which also does not need MySQL connection open. In optimal…
Comment: Are PHP persistent connections evil ?
March 12, 2009 By 31 Comments
… been troubeling me a long time now. I have a Server Application (in-house) which in turn let’s a bunch…, (think in terms of narrowcasting players which tell me what image they have played at what time and which screen.. such… a concurrent connection per client that is connected to my server. Performance has never been fantastic though. So my question is…
Post: Speedup your LAMP stack with LigHTTPD
May 21, 2006 By 14 Comments
… you might be wasting resources on your web servers. The problem with Apache server comes from “client per process” architecture which you… static contents are few images used in pages, setting them to be directly services by reverse proxy servers could be enough. The… should mention: Persistent connections to FastCGI servers Keep alive from Reverse proxy to web server Async IO for serving large large files…
Post: Is VoltDB really as scalable as they claim?
February 28, 2011 By 3 Comments
…-memory shared-nothing system, and tables are partitioned across multiple servers in the cluster; high availability is ensured by keeping more… important that’s easy to miss by looking at separate images anyway. The k-factor of 0 achieves the highest throughput… says we should scale to 39 servers, while per-partition says 120 partitions which is 40 servers. Similarly, the peak throughput numbers…
