Welcome!

Sven Hammar

Subscribe to Sven Hammar: eMailAlertsEmail Alerts
Get Sven Hammar via: homepageHomepage mobileMobile rssRSS facebookFacebook twitterTwitter linkedinLinkedIn


Top Stories by Sven Hammar

At the end of 2012, Apica conducted a massive load test for an election campaign organization. It was the largest load test we ever conducted, surpassing the two million virtual user mark we set earlier that year. The load test clocked in at over 200,000 requests per second for an entire hour. To put this in context, roughly 23,000 Google searches occurred every second at the time. At the end of 2013, we blew our own record out of the water. After being contracted to conduct a load test for a well known government, we reached over 620,000 requests per second with over 1 million concurrent users. Here’s what the web transaction rate chart looked like for a 30-second sampling interval: 620.555 REQ/SEC NEW RECORD   And here’s what the test looked like 5 minutes and 44 seconds in: All of us at Apica are very excited. We’ve increased our ability to handle traffic by ... (more)

Lessons Learned from the Amazon Web Services Outage

On Monday, Amazon Web Services — the leading provider of cloud services — suffered an outage, and as a result, a long list of well-known and popular websites went dark. According to Amazon’s Service Health Dashboard, the outage started out as degraded performance of a small number of Elastic Bloc Store (EBS) storage units in the US-EAST-1 Region, then evolved to include problems with the Relational Database Service and Elastic Beanstalk as well. WEBSITE DOWN: AWS outage takes down Reddit and other popular sites The only surprising thing about this AWS outage was that anyone was sur... (more)

Apica Gold Sponsor at Akamai Edge in U.S. October 9 to 11

Wednesday, October 9, we will be on site in Washington DC as a Gold Sponsor at Akamai Edge 2013 Customer Conference. Take this opportunity to meet and listen to key members from the industry providing valuable tips and advice. What is going on in the cloud? Mobile, media, and security? And not the least: How do I move forward in this rapidly changing environment, identifying the revenue opportunities that utilize a high performance cloud infrastructure? Interested to find out how Apica can help you? Look us up at Akamai! Read more about the event here Register here ... (more)

Apica and Kaazing: Why it works

In the past few weeks, I’ve had several conversations about the announcement that Kaazing and Apica are teaming up to deliver performance monitoring for HTML5 WebSocket. I’ve found that many people are still largely unfamiliar with the HTML5 WebSocket standard, so I want to offer a clear explanation of how powerful the technology is, why it will quickly become the new standard for interactive web applications, and the challenges it presents in performance monitoring. WebSocket is important Similar to HTTP, the WebSocket standard is two parts. One part is the W3C’s HTML5 WebSock... (more)

Twitter’s Performance Metrics During the Political Conventions

While all eyes were on Tampa, Fla. and Charlotte, N.C. these last two weeks for the Republican and Democratic National Conventions, we had our eyes, and monitors, on Twitter to see if and how these events impacted Twitter’s website performance. As is the case with most big news events today, people took to Twitter in a big way for real-time information and broke some records in the process. After the Republican National Convention (RNC) concluded last week, Twitter reported that 4 million tweets were sent out in total about the RNC. Following the conclusion of President Obama’s s... (more)