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Great advice. Folks rush into
#performancetesting, flooding the system under test with hundreds of concurrent users. They should first optimize for ONE and go from there.https://twitter.com/newsofthedamned/status/1222562495954608128 …Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
@TracyRagan says#ServiceMesh can help with “persona routing” in a single env based on User Profile. My thoughts - Ops might freak out with (a) mixing dev and prod (#security) & (b)#performancetesting on a single env.#DevSecOps and#APM have to address these concerns.Prikaži ovu nitHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Watch this compelling presentation by
@TracyRagan from@DeployHubProj. Great points on how#ServiceMesh can help us move away from a slow#waterfall model into a rapid delivery single environment. https://youtu.be/fW08ZYLqh58?list=PLvBBnHmZuNQKLGcp0Yh8pCfEez43_l8Ts&t=879 …pic.twitter.com/5AfB1i5cQK
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#APM tools need to go deep into#Java#POJO (Plain old java objects). Many tools stop with showing DispatcherServlet/doGet/doPost in the call graph. Not many APM tools integrate code tracing/ profiling with the wealth of information in the underlying#JVM (eg:#JMX thread info)pic.twitter.com/YCyoKOq3my
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Excellent article. There is this misconception that
#containers and#cloud will solve#performance problems with auto scaling. Unfortunately, that's not the case. Autoscaling can backfire on performance & your budget. Capacity/resource planning is more important than ever.https://twitter.com/cloudnatived/status/1219325217681608704 …Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Was listening during my commute - "SRE Abigail Wilson"
@pure_dt. Abigail's background was from arts, bakery and cabinetry. Great example of (lack of) past formal education not being a limiting factor to make an impact in#IT#SRE#development.https://www.spreaker.com/user/pureperformance/a-year-in-establishing-an-sre-role-at-cf …Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Excellent article by
@ionutbalosin outlining JVM tuning. Since#APM tools can read the#JVM parameters (they can see all process info), they are in a good position to highlight anti-pattern warnings to#sysadmins. Example: -XX:-DisableExplicitGC or -Xverify:none / -noverify.https://twitter.com/ionutbalosin/status/1214479770005753857 …Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
#APM tools can catch even swallowed exceptions in the code and flag them as erroneous business txns. This is an example of a report in@eGInnovations APM that can give visibility into your#loadtests and allow you to drill-down into individual traces for further diagnosis.pic.twitter.com/1mvcLROMJk
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As
#loadtesters, one of things we have to watch out for are#swallowedexceptions. The application code might swallow an exception and still return HTTP 200(success). The#loadtest tool will see that as a success (such txns usually execute fast thereby skewing the avg resp time).Prikaži ovu nitHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Are there exemplar/ best-in-class
#Loadtesting reports that use#APM metrics to table problem remediation recommendations? The reports that I am seeing out there tend to summarize load test tool metrics - page completion rates, HTTP status codes, time-based analysis etc.Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Arun Aravamudhan proslijedio/la je Tweet
Once a year, an obligatory tweet with the link to the awesome performance monitoring tools: https://github.com/antonarhipov/awesome-apm … PRs welcomed, retweets appreciated.
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Your choice of an
#APM solution needs to address all citizens in yr IT landscape. When the shiny, new#microservice makes downstream calls to yr legacy sys, you need the ability to see the entire chain. Otherwise, you run the risk of tool silos (swivel into multiple tools).pic.twitter.com/te4ARHeewH
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Do other solutions perform the data masking at the point of collection (example the java agent)? If so, wouldn't that increase overhead in the target app server/ container because you would have to parse SQL strings / URL params etc to scrub PII out?
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Curious to know how enterprises approach the subject of PII (personally identifiable information) in SaaS
#APM/#observability solutions. Some provide an on-premise module that scrubs PII before it exits the customer environment. Eg:@LightStepHQ Satellite,@Dynatrace ActiveGate.Prikaži ovu nitHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Super excited about my
@udemy purchases for Jan 2020: 1)#Kubernetes Mastery course - by@BretFisher 2) Canary Deployments To#Kubernetes Using#Istio and Friends - by@vfarcic &@DarinPope Thank you@udemy for the amazing discounts.Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Lots of EXCELLENT insights for
#EngineeringLeaders by@traviskimmel and Shane Hastie (@infoq). "The 2:30 pm meeting is a death-knell for team productivity...".https://www.infoq.com/podcasts/what-makes-good-engineering-manager …Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Hey folks at
@Oreillymedia - Can you please look into adding this (and all other books/zines by the wonderful@b0rk) into SafariBooksOnline?https://twitter.com/rakyll/status/1187500630803238912 …
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#APM tools shd help non-experts such as#helpdesk to triage#performance problems quickly using intuitive UIs such as this. Ex:#RealUserMonitoring#eginnovations which tells you which team to route the ticket to: Frontend team? Network admin? Backend dev team?#notjustforexpertspic.twitter.com/ckPczEMDHb
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Use an
#APM tool in your load tests which will tell you how much time was spent on Browser vs Server vs Network. In a real-world use case, eG's#RealUserMonitoring (RUM) agent pinpointed that the slowness was due to Chrome not caching assets (with a self-signed cert).https://twitter.com/eGInnovations/status/1184134843522637824 …Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
If you are a
#performance engineer in a#loadtesting cycle, be aware that when it comes to caching/ performance, Chrome does not cache assets if the site has an self-signed cert (even if accepted). https://bugs.chromium.org/p/chromium/issues/detail?id=110649 …. As a result, you will see a performance penalty!Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi
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