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The Latest in Performance Monitoring and End-User Experience

Browsing posts tagged with: TraceView

Hey Tracing Guy!
June 3, 2014 by

Performance Monitoring

Supporting a product like TraceVIew means that among other things I get to play with a broad cross section of web stacks, poke around in interesting and unusual server configurations, and field a wide array of questions. “What exactly do you mean by a trace?” (This). “Why can I install a TraceView Apache module but
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Test Case Atomicity for Production
June 2, 2014 by

Performance Monitoring

Performing sanity and thorough regression tests against the frontend of a any web-based product is a resource-intensive exercise; thus AppNeta’s QA team has started to expand into automation using Selenium and Saucelabs. As any tester should know, test cases should be independent of other test cases. It should be atomic so that one failed test
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From Boston to Austin: DrupalCon 2014
May 30, 2014 by

Performance Monitoring

Another year means another Drupalcon for AppNeta! We had a great experience in Portland last year and we’re looking forward to our week in Austin. This time around we’ve got four AppNetians attending: myself (James), Kristin, Rob, and Dan. Just like last year, we’ll be giving live demos of our products with a focus on
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DRY Mockery in Python Testing
May 29, 2014 by

Industry Insights, Performance Monitoring

Note: the code referenced in this post, along with some extra context, can be found on github. I have tried to link into the repo at each of the inline code samples, for convenience. It might be useful to refer to the repo as a whole, though, rather than just the swatches under discussion. When
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Now Monitoring: Adobe Experience Manager (CQ5)
May 14, 2014 by

Performance Monitoring

CQ5 (now Adobe Experience Manager) is a web content management system (WCMS) originally developed by Swiss company Day Software. Day was later acquired by Adobe, and its core product became Adobe’s primary WCMS offering. CQ5 helps companies to build, manage and deliver their digital contents across different channels at scale, especially when there’s a large
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TraceView Downtime Post-Mortem
May 8, 2014 by

Company News, Industry Insights

On Monday afternoon TraceView experienced two brief data outages impacting a fraction of our customers. Affected users may notice intermittent gaps in their data — how to know if your account was affected. During this time, several of our collector servers (trace data collection endpoints) experienced connection problems while attempting to forward data along to
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Apdex and Transaction Groups

Communicating End User Experience: Apdex and Transaction Groups
April 29, 2014 by

Performance Monitoring

“How is my site performing?” What begins as a simple-seeming question can turn out to be quite complex; the answer depends, of course, on how you choose to measure performance. Are you looking for server-side performance, or end-user? Would an average latency be a good answer, or would the 98th percentile latency be better? And
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Customizing Chef Bootstrap Templates
April 14, 2014 by

Industry Insights

At AppNeta, we use Chef to set up EC2 instances for the purpose of testing our TraceView instrumentation modules.  TraceView has agents for Java, .NET, Python, Ruby, and PHP, and one of the most important requirements for all of these is that they’re easy to deploy (typically less than 5 minutes). This means it should be
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AppNeta Security Update: Heartbleed
April 11, 2014 by

Company News

This week, a vulnerability in OpenSSL named “Heartbleed” was disclosed. This post is an update documenting our internal investigation of possible customer exposure and the steps we’ve taken to ensure that customer data is secure and private.

Writing Purposeful Unit Tests

Performance Monitoring

Several recent blogs have discussed unit testing, some of them in considerable depth. One of my favorites is Jeff Knupp’s entry, which is a comprehensive look at how to write and understand good unit tests. Jeff touches on the motivations for testing, but like most other writers, moves on quickly to the details of actually
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