A podcast about all things Software Performance!
Your hosts Mrunal and Nitesh talk about Performance topics, Industry trends and news.
Occasionally there will also be Interviews with Performance professionals, Explainers and Book Reviews!
A new episode will be published every 2 weeks!
Subscribe and Stay tuned!
In this episode, I and Karan try to explain caching in simple terms.
We explore some caching algorithms and some of the performance metrics to measure for caching.
Listen and Enjoy!
25 Apr 2021
S2. Ep. 03. Conversation with NaveenKumar Namachivayam, QAInsights
In this episode, I converse with NaveenKumar Namachivayam. Naveen talks about his inspiration to start his blog, the youtube videos and what it takes to keep doing it.
He also talks about things that he wants to see change for better in Performance Projects.
He blogs at : QAInsights.com and his YouTube channel is : https://qain.si/youtube
You can reach him on linkedin at : https://www.linkedin.com/in/naveenkumarn/
News:
1. Change in CLS measurement method (https://blog.webpagetest.org/posts/understanding-the-new-cumulative-layout-shift/)
2. Opposition to SpacesX's Starlink broadband service in India (https://www.indiatoday.in/technology/news/story/elon-musk-backed-starlink-broadband-pre-booking-could-be-blocked-in-india-as-company-faces-regulatory-hurdles-1786380-2021-04-02)
3. Tricentis acquires Neotys (https://www.neotys.com/news/neotys-has-been-acquired-by-tricentis)
What The Crash:
1. India Tax Website Crash (https://www.india.com/business/trying-to-link-pan-aadhaar-card-users-complain-income-tax-website-down-demand-extension-of-date-4547745/)
25 Feb 2021
S2. Ep. 02. Interview with Mohan Manoharan
In the 2nd Episode of Season 2, I and Mohan Manoharan have a freewheeling chat about what devops transformation means, how performance engineers can adapt to it. Mohan also talks about the the three ways and ideals discussed in the books The Phoenix Project and The Unicorn Project.
Enjoy the Episode!
24 Jan 2021
S2. Ep. 01. Essential Skills For Performance Engineers
In this episode we explore what are some essential skills that performance engineers need to acquire to be able to add value to their work.
News:
Wikipedia completes 20 years (https://www.daily-sun.com/printversion/details/530371/Wikipedia-completes-two-decades)
Project Loon shutdown (https://medium.com/loon-for-all/loon-draft-c3fcebc11f3f)
Will Google pull out of Australia? (https://www.bbc.com/news/technology-55766429)
Pointers to essential skills:
Acquire Foundational Skills
Understand Application Architecture
Hone Your Debugging Skills
Automate Repetitive Work
Google Every Tech Word / Jargon You Hear
Know Thy Tool
Know Antipatterns
Be A Continuous Learner
What The Crash!
Gensee County Website Crash (https://www.abc12.com/2021/01/19/genesee-county-changes-covid-19-vaccine-sign-ups-after-website-crash/)
Wake County Website Crash (https://www.cbs17.com/news/local-news/wake-county-news/wake-countys-covid-19-vaccine-waitlist-opens-but-website-phone-lines-are-down/)
Hitman 3 Carry Over Website Crash (https://www.express.co.uk/entertainment/gaming/1386787/Hitman-3-carry-over-website-down-No-Eligible-IOI-account-issues)
18 Oct 2020
Ep. 09. Explainer : Cardinality in Databases
In this Episode we explain what is Cardinality in databases.
Listen and enjoy!
Further Reading on Indexes and Cardinality:
Indexes (http://20bits.com/article/interview-questions-database-indexes#:~:text=The%20data%20structure%20most%20commonly,in%20the%20worst%20case%20scenario)
Cardinality (https://orangematter.solarwinds.com/2020/01/05/what-is-cardinality-in-a-database/)
Don't forget to share feedback on twitter @whattheperf (https://twitter.com/whattheperf) and share episode suggestions at whattheperf@gmail.com (https://whattheperf@gmail.com/)
Tech News:
Britain tracks Covid patients in Excel (https://www.thelondoneconomic.com/politics/shock-and-despair-follow-revelations-that-world-beating-test-and-trace-system-is-being-run-on-excel/05/10/?fbclid=IwAR06VOZyuPuA-IjZKQiV82dQkLqqOzc3SrL6MWJFHiRXuslxOgxDGoCEB8g)
India leads world in number of financial transactions per day (https://www.business-standard.com/article/economy-policy/india-leads-world-processes-41-mn-real-time-transactions-a-day-report-120100700905_1.html)
AWSome Day Online Conference (https://pages.awscloud.com/awsomedayonline-reg.html?trk=ha_hero_awsome_day20q4~ha_awssm-5869&trkcampaign=awsome-day-online)
What The Crash!:
Florida Voter Registration website crash (https://www.sun-sentinel.com/news/politics/elections/fl-ne-florida-voter-registration-deadline-extension-20201006-ssz7yuie2fbpdelad6w75sjso4-story.html)
Delhi University Admission Website crash (https://www.newindianexpress.com/cities/delhi/2020/oct/15/portal-crashes-heavy-traffic-delays-delhi-universitys-online-admission-process-2210464.html)
NEET Results website crash (https://timesofindia.indiatimes.com/city/chandigarh/website-crashes-testing-times-for-students-parents/articleshow/78708381.cms)
4 Oct 2020
Ep. 08. Book Review: High Performance Browser Networking
In this Episode we talk about the book High Performance Browser Networking written by Ilya Grigorik and why every Performance Engineer should read it.
Listen and enjoy!
Don't forget to share feedback on twitter @whattheperf (https://twitter.com/whattheperf) and share episode suggestions at whattheperf@gmail.com (//whattheperf@gmail.com)
Read High Performance Browser Networking here: hpbn.co (https://hpbn.co/)
Tech News:
Open Source Load Test Tool k6 latest release (https://github.com/loadimpact/k6/releases/tag/v0.28.0)
India Thinking of creating own app store (https://zeenews.india.com/technology/india-open-to-launching-own-mobile-app-store-as-an-alternative-to-apple-google-2313978.html)
Neotys Performance Advisory Council (https://www.neotys.com/performance-advisory-council)
Chaos Conf (https://www.chaosconf.io/chaosconf/begin)
What The Crash!
Tesla Network Outage (https://www.the-sun.com/news/1521051/tesla-network-outage-down-elon-musk-cars-connectivity/)
Tokyo Stock Exchange Outage (https://thenextweb.com/hardfork/2020/10/01/fujitsu-tokyo-stock-exchange-worst-service-crash-in-history/ )
Illinois Voter Registration site down (https://fox2now.com/news/illinois/illinois-voter-registration-website-crashes-after-spike-in-traffic/)
Louisana Voter Registration site down (https://www.houmatoday.com/story/news/2020/09/24/louisianas-voting-website-went-down-national-voter-registration-day/3521856001/)
UK Game Website crash (https://news.sky.com/story/xbox-series-x-and-s-pre-orders-go-on-sale-and-one-website-crashes-12078492)
20 Sept 2020
Ep. 07. Interview with Sajeesh Nair, Head of Performance Engineering, Druva
We talk to Sajeesh Nair about Storage Performance, applying First Principles Thinking to solving performance issues and a lot more interesting stuff.
Listen and enjoy!
Don't forget to share feedback on twitter @whattheperf and share episode suggestions at whattheperf@gmail.com
Tech News:
New Relic Browser Agent Update (https://blog.newrelic.com/product-news/w3c-context-trace-cumulative-layout-shift-measurement/?_lrsc=1f9e6d31-67b9-47be-af27-6843dcc37b6c)
W3C Trace Context (https://www.w3.org/TR/trace-context/)
Web Vitals by Google (https://web.dev/vitals/)
Catchpoint acquires WebPageTest (https://www.catchpoint.com/press-releases/catchpoint-to-acquire-webpagetest-org?utm_source=bambu&utm_medium=social&blaid=818543)
DynatraceGo Conference (https://go.dynatrace.com/)
What The Crash!
PlayStation5 Pre-order crash (https://www.asiaone.com/digital/playstation-5-pre-orders-crash-singapore-retailer-websites-sells-out-almost-immediately)
Calcutta University Website Crash (http://www.millenniumpost.in/kolkata/calcutta-univ-website-crashes-soon-after-announcement-of-schedule-of-terminal-exams-418596)
Google Drive Outage (https://websee.com/verified-issues/5f60e80e179f43a4a3bebb4b)
KFintech Crash (https://www.moneycontrol.com/news/business/markets/happiest-minds-ipo-kfintech-com-crashes-as-investors-rush-to-check-subscription-status-5840521.html)
6 Sept 2020
Ep. 06. Performance Testing Best Practices
In this episode we explore some of the best practices you can follow to save time, avoid mistakes and add value to your performance testing project.
Your feedback is important to us. Please share suggestions and feedback on twitter at @whattheperf or Email us at whattheperf@gmail.com
Best Practices:
Monitor the health of your load generators
Monitor all possible infra components and their relations in your application architecture
Write down notes about your observations while your test is running
Always preserve raw results
Decide test duration based on caching in your application architecture
Randomize test data
Follow good naming conventions in scripts and result files
Write useful comments wherever necessary in your scripts
Correlate all possible dynamic values
Use think time in scripts
Modularise your scripts
Automate test runs
Avoid application changes during tests unless that is the goal
Run tests a second time to ensure repeatability and consistency
Don't focus on any one measurement
Tech News:
https://azure.microsoft.com/en-us/blog/bringing-ai-supercomputing-to-customers/
https://blog.cloudflare.com/delivering-http-2-upload-speed-improvements/
https://www.chaosconf.io/chaosconf/begin
https://www.cloudbees.com/devops-world/register
What The Crash!:
https://techjaja.com/moh-website-crashes-as-citizens-try-to-download-the-new-covid-19-guidelines/
https://www.nzherald.co.nz/business/news/article.cfm?c_id=3&objectid=12360028
https://www.miamiherald.com/news/local/education/article245369120.html
https://blog.catchpoint.com/2020/09/03/centurylink-outage-and-everything-that-went-down-with-it/?utm_source=bambu&utm_medium=social&blaid=793056
23 Aug 2020
Ep. 05. How to do Performance Testing?
In this episode we explore what are the steps involved in performance testing and their significance.
Listen and enjoy!
Don't forget to share feedback on twitter @whattheperf
Broad Steps followed in Performance Testing:
Identify Test Environment
Identify KPI's and their acceptance values
Test Tool, Test Planning and Design
Setup Test Environment
Create Test Scripts and Implement Test Plan
Execute Tests and Generate Test Reports
Analyse, Tune & Retest
Tech News:
https://in.mashable.com/tech/16350/wear-os-to-soon-become-faster-and-more-intuitive (https://in.mashable.com/tech/16350/wear-os-to-soon-become-faster-and-more-intuitive)
https://www.techspot.com/news/86416-chrome-android-label-sites-load-quickly.html (https://www.techspot.com/news/86416-chrome-android-label-sites-load-quickly.html)
https://arstechnica.com/information-technology/2020/08/spacex-starlink-beta-tests-show-speeds-up-to-60mbps-latency-as-low-as-31ms/ (https://arstechnica.com/information-technology/2020/08/spacex-starlink-beta-tests-show-speeds-up-to-60mbps-latency-as-low-as-31ms/)
https://blog.sentry.io/2020/07/14/see-slow-faster-with-performance-monitoring/ (https://blog.sentry.io/2020/07/14/see-slow-faster-with-performance-monitoring/)
What The Crash! :
https://auto.mahindra.com/suv/thar (https://auto.mahindra.com/suv/thar?utm_source=brandsearch&utm_medium=cpc&utm_campaign=alwaysonsearch&utm_term=mahindra%20thar&utm_content=eta2&utm_adgroup=brand&utm_keyword=brandexact&gclid=Cj0KCQjwp4j6BRCRARIsAGq4yMGoyGgrJn92C-rTE9ZWjql1h3LR4GtxnCpPPbOewv8uV1rzoBMpdBkaAn0qEALw_wcB)
https://www.bbc.com/news/uk-53865145 (https://www.bbc.com/news/uk-53865145)
https://www.stuff.co.nz/technology/122532611/parliament-website-goes-down-restaurant-subsidy-petition-loses-500-signatures (https://www.stuff.co.nz/technology/122532611/parliament-website-goes-down-restaurant-subsidy-petition-loses-500-signatures)
9 Aug 2020
Ep. 04. Interview with Ganesh Narasimhadevara, Director of DevSecOps @ ZestMoney
In this Episode we talk to Ganesh Narasimhadevara, who is the Director of DevSecOps @ ZestMoney. We spoke about his journey in tech industry, shift to devops from performance, advice for new performance engineers and future roles for performance engineers.
Listen and enjoy!
Don't forget to share feedback on twitter @whattheperf
Tech News:
1. https://www.neotys.com/blog/neotys-announces-neoload-7-5/
2. https://www.technowize.com/spacex-launches-next-batch-of-starlink-internet-satellites-into-orbit-today/
3. https://www.engadget.com/intel-internal-documents-leak-063157088.html
4. https://www.state.gov/announcing-the-expansion-of-the-clean-network-to-safeguard-americas-assets/
What The Crash:
1. https://www.bbc.com/news/uk-53576008
2.https://7news.com.au/lifestyle/health-wellbeing/victorian-coronavirus-website-crashes-as-melbourne-workers-download-essential-covid-worker-permit-c-1217077
26 Jul 2020
Ep. 03. Why do we need Performance Testing?
In this episode we discuss, the importance, impact and need of performance testing.
Please share feedback and comments on Twitter: @whattheperf (https://twitter.com/whattheperf)
12 Jul 2020
Ep. 02. What is Performance Testing?
In this episode we explore the definition of performance testing, what it actually means, what are the main types and related industry news.
28 Jun 2020
Ep. 01. Introduction
Introductory episode to know "What the Perf!"
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