Twitter blames two-hour failure on dual data-center crashes
Two parallel, redundant servers failed at about the same time, the company says
IDG News Service - A Twitter outage on Thursday that lasted as long as two hours for some users was caused by separate data centers failing at nearly the same time, the company said in an apologetic blog post.
Twitter went down between about 8:20 a.m. and 9 a.m. Pacific Time on Thursday and was back in action by about 10:25 a.m., wrote Mazen Rawashdeh, vice president of engineering. Though some users suspected an overload of Tweets related to the Olympic Games, which opens on Friday in London, that was not the cause of the outage.
Instead, two data centers that operate in parallel for redundancy both failed, in what Rawashdeh called an "infrastructural double whammy."
"What was noteworthy about today's outage was the coincidental failure of two parallel systems at nearly the same time," Rawashdeh wrote. "We are investing aggressively in our systems to avoid this situation in the future."
It was Twitter's second outage in about six weeks. On June 21, the microblogging service went down about 9 a.m. Pacific and started to come back just after 10 a.m., only to fail again before full recovery began after 11 a.m. The company blamed that outage on a cascading bug, a type of problem that spreads from one software element to others.
- Social Media in Technology: A Unified Strategy for Success Find out how social media is sparking a new era of customer and industry-understanding in technology enterprises and how industry leaders are overcoming...
- The Business Value of Continuous Delivery Download this whitepaper to learn more about the business value of Continuous Delivery and see why it could be a game changer for...
- Ten Factors Shaping the Future of Application Delivery Download this research report conducted by Enterprise Management Associates (EMA) to learn how those that are seeking to accelerate application delivery are leveraging...
- Software Asset Management: Ensuring Today's Assets Today's trends like BYOD and SaaS are new and exciting in terms of how they will help make our jobs more productive but...
- On-demand webinar - 7 Keys to Service Catalog Implementation Success Watch this webinar to learn 7 crucial keys to make your service catalog a success!
- Transform Your IT Service Management Watch this webinar, to learn how EasyVista can increase IT productivity & efficiency and deliver streamlined & integrated IT Service & Asset Mgmt. All Social Media White Papers | Webcasts
Our new weekly Consumerization of IT newsletter covers a wide range of trends including BYOD, smartphones, tablets, MDM, cloud, social and what it all means for IT. Subscribe now and stay up to date!