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Blogs by Catchpoint Systems
  • dyn-incident-monitoring-and-response
    Incident Monitoring and Response Posted on March 22nd, 2017 by Catchpoint Systems

    Written by Chris Chandler, Network Operations Center Director at Dyn Within most technical operations environments, you’ll find some form of incident response plan.  These procedures are used to manage and resolve an incident as well as to communicate with customers when issues arise. At Dyn, we’ve evolved a philosophy around incident response that scales, and […]

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    Why Caching is a Vital Part of Website Performance Posted on March 13th, 2017 by Catchpoint Systems

    This is a guest post written by Roxana Elliott, section.io. When it comes to website performance and speed, we have a saying over here at section.io: Cache is King. We believe that an effective cache setup is the number-one thing websites can do to serve content to visitors as quickly as possible, improve both front-end […]

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    An In-depth Analysis of the AWS S3 Outage Impact Posted on March 1st, 2017 by Catchpoint Systems

    Amazon’s AWS (Amazon Web Services) S3 web-based storage service in North America experienced widespread issues beginning at 12:37 PM EST on February 28. As reported on Amazon’s status dashboard, “high error rates with S3 in US-EAST-1.” This was the only explanation provided at the time. Consequently, many popular online services that utilize S3 such as […]

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    A Bird’s Eye View Via Boxplot Posted on February 15th, 2017 by Catchpoint Systems

    The impact of website/app performance on the bottom line of an Internet firm is an undisputed fact (refer to our earlier blog for further discussion on the subject). Over the years, the industry has come to terms with no longer considering performance as an afterthought and making it a top priority. Now, performance analysis is […]

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    The Very Real Performance Impact on Revenue Posted on January 6th, 2017 by Catchpoint Systems

    Those who fail to learn from history are doomed to repeat it. In a recent performance report for Black Friday and Cyber Monday, we had highlighted (with concrete data) that there were some failures as well as slowdowns on some desktop and mobile sites. The incidents can broadly be categorized into intermittent “mini-outages” due to […]

  • data-sampling
    Sampling Pt IIb: Simpson’s Paradox and Sampling Posted on November 21st, 2016 by Catchpoint Systems

    E.H. Simpson first described this phenomenon in 1951. The name Simpson’s paradox was introduced by Colin R. Blyth in 1972.[1] Blyth mentioned that: G. W. Haggstrom pointed out that Simpson’s paradox is the simplest form of the false correlation paradox in which the domain of x is divided into short intervals, on each of which […]

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    Top 5 Content Management Challenges You Need to Solve Now Posted on November 16th, 2016 by Catchpoint Systems

    This is a guest post from Cloudinary, a cloud-based image and video management solution. We are always looking for ways to help companies deliver digital experiences that will meet customers expectations in terms of content and performance. Tackling these 5 challenges is a good step towards delivering a top-notch digital experience. We are in the […]

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    Sampling Pt IIa: Types and Example Use Cases Posted on November 4th, 2016 by Catchpoint Systems

    In Part I, we provided an overview of the metrics arms race and had walked through the use of sampling in this regard. We had also discussed the importance of baking in recency of data during sampling and some of the pitfalls of sampling such as the sampling error. Recall that exact measurement of sampling […]

  • ema-research-application-delivery-management
    UEM: Closing Costly Visibility Gaps in Application Delivery Management Posted on October 26th, 2016 by Catchpoint Systems

    This is a guest post written by EMA Research Analyst Julie Craig. You can also find it published here. Today’s complex computing environments make it difficult to achieve the visibility needed to effectively monitor end-to-end application delivery. For many modern applications, User Experience Monitoring (UEM) solutions are the only real way to measure application quality […]

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    Sampling at Rescue in the Metrics Collection Arms Race: Pt I Posted on September 23rd, 2016 by Catchpoint Systems

    In a recent report from MarketsAndMarkets, it was forecasted that IT Operations Analytics (ITOA) market shall grow from $2.17B by 2015 to $9.79B by 2020, at a Compound Annual Growth Rate (CAGR) of 35.2% from 2015 to 2020. This coupled with decreasing cost of HDDs on a per GB basis (as evidenced from the plots […]

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