How MySpace Tested Their Live Site with 1 Million Concurrent Users
High Scalability   Todd Hoff   •  6 days ago  •   rank: 0.3
This is a guest post by Dan Bartow, VP of SOASTA, talking about how they pelted MySpace with 1 million concurrent users using 800 EC2 instances. I thought this was an interesting story because: that's ...
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How many fsync / sec FusionIO can handle
MySQL Performance Blog   Vadim   •  6 days ago  •   rank: 0.2
I recently was asked how many fsync / sec ( and therefore durable transactions / sec) we can get on FusionIO card. It should be easy to test, let's take sysbench fileio benchmark and run, the next...
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Scalability and the Relational Model
..::Planet PostgreSQL::..   Jeff Davis   •  3 days ago  •   rank: 0.2
The relational model is just a way to represent reality. It happens to have some very useful properties, such as closure over many useful operations — but it’s a purely logical model of reality....
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CouchDB at scale - 4 billion requests so far
Planet CouchDB   Enda Farrell   •  6 days ago  •   rank: 0.2
I recently twittered about the number of requests our CouchDB instances have handled since they were last upgraded. As it was a large number it piqued some interest, so I thought I’d give a little...
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Upcoming book – Expert PHP and MySQL
Planet MySQL   Ronald Bradford   •  7 days ago  •   rank: 0.1
This month will see the release of the book Expert PHP and MySQL which I was a co-author of. Initially this will be available for purchase in PDF format from the Wrox website and I am hopeful this...
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A growing trend: InnoDB mutex contention
Planet MySQL   Baron Schwartz (xaprb   •  6 days ago  •   rank: 0.1
I’ve been noticing an undeniable trend in my consulting engagements in the last year or so, and when I vocalized this today, heads nodded all around me. Everyone sees a growth in the number of cases ...
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Dear IBM Support, Could you Fix Your Broken Web Link in the Qantas Club
Planet DB2   Leons Petrazickis   •  7 days ago  •   rank: 0.1
Every time I visit the Qantas Club lounge in an Australian airport and switch on the wireless internet I get an IBM URL error....
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The innodb_plugin – a pleasant surprise!
Planet MySQL   Simon Mudd   •  7 days ago  •   rank: 0.0
I’ve heard about the innodb_plugin but not had time to put it to the test. Recently though due to some problems I’ve been having with the MySQL Enterprise Monitor (Merlin) I’ve had to try a few...
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Sea trials begin for new data warehouse
Planet MySQL   John Dzilvelis   •  6 days ago  •   rank: 0.0
Over the last few months I've been working on the ETL for the first phase of a new data warehouse. Today this will be deployed to production and subjected to a burn in period. During this time, I'll...
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Sponsored Post: Job Openings - Squarespace
High Scalability   Todd Hoff   •  1 day ago  •   rank: 0.0
Squarespace Looking for Full-time Scaling Expert Interested in helping a cutting-edge, high-growth startup scale? Squarespace, which was profiled here last year in Squarespace Architecture - A Grid...
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Applications as Virtual States
High Scalability   Todd Hoff   •  1 day ago  •   rank: 0.0
This is an excerpt from my article Building Super Scalable Systems: Blade Runner Meets Autonomic Computing in the Ambient Cloud. As I was writing an article on the architecture of the Storm Botnet, I...
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CouchDB Case Study: Assay Depot
Planet CouchDB   Damien Katz   •  4 days ago  •   rank: 0.0
Apache CouchDB Case Study: Assay Depot ...replication give this ability that would have been much more difficult to accomplish in MySQL. We could have done this in a relational manner but it would...
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Assay Depot CIO Chris Petersen discusses CouchDB and how they...
Planet CouchDB   Jan Lehnardt   •  4 days ago  •   rank: 0.0
Assay Depot CIO Chris Petersen discusses CouchDB and how they use it in their business. ”…replication give this ability that would have been much more difficult to accomplish in MySQL. We could...
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9.0 Status Report
..::Planet PostgreSQL::..   Bruce Momjian   •  4 days ago  •   rank: 0.0
Many people are waiting for Postgres 9.0, so here is a status report about the release. Two weeks ago we completed the last 9.0 CommitFest and released 9.0 Alpha 4. We are now working on a 9.0 open...
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Assay Depot CIO Chris Petersen discusses CouchDB and how they...
Planet CouchDB   Jan Lehnardt   •  4 days ago  •   rank: 0.0
Assay Depot CIO Chris Petersen discusses CouchDB and how they use it in their business. ”CouchDB has changed the way I think about software development.”...
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Strategy: Planning for a Power Outage Google Style
High Scalability   Todd Hoff   •  5 days ago  •   rank: 0.0
We can all learn from problems. The Google App Engine team has created a teachable moment through a remarkably honest and forthcoming post-mortem for February 24th, 2010 outage post, chronicling in...
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What is New in PostGIS Land
..::Planet PostgreSQL::..   Leo Hsu and Regina Ob   •  5 days ago  •   rank: 0.0
This month we we will be giving two mini-tutorials at PgCon East 2010 on Saturday, March 27th. The topic of the talks will be, you guessed it, PostGIS. We have changed our Beyond talk to PostGIS:...
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In Defense of varchar(x)
..::Planet PostgreSQL::..   Leo Hsu and Regina Ob   •  6 days ago  •   rank: 0.0
This is a rebuttal to Hubert's charx, varcharx, varchar, and text and David Fetter's varchar(n) considered harmful. I respect both Hubert and David and in fact enjoy reading their blogs. We just have...
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Take Me Out to the Ball*park*
Planet DB2   Kim May   •  6 days ago  •   rank: 0.0
The countdown to the first day of Spring is below 20!  Spring can’t come soon enough for me, as here in Baltimore we’ve had over 80 inches of snow - our average is 18.  In preparation for...
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XSLT working properly in Postgres at last
..::Planet PostgreSQL::..   Andrew Dunstan   •  6 days ago  •   rank: 0.0
Productive as ever, Tom Lane seems to have taken a break from making his head hurt on replication issues, and instead fixed some long-standing problems we've had with the xml2 contrib module's memory...
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