PgBouncer explained: pooling modes, settings and pitfalls
Session, transaction and statement pooling, what breaks in transaction mode, key pgbouncer.ini settings, PgBouncer vs Pgpool-II and managed proxies, and production tips.
Ideas & updates
The Upclass Blog
Security, piracy and engineering deep dives, plus practical ideas for growing your institute. From the team building Upclass.
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Predictive and scheduled scaling for exam-day traffic spikes
Reactive autoscaling is minutes too late for a 10 a.m. mock test. How to use scheduled actions, predictive scaling and warm pools, and pre-scale databases and caches.
What is HTTPS, and why every site needs it
HTTPS encrypts and protects every page between your server and your visitors. Why even a simple institute website needs it, and how to set it up properly.
How to report copyright infringement on YouTube
For educators whose lectures get re-uploaded: claims vs strikes vs takedowns, filing a removal request in YouTube Studio, counter-notices and the Match Tool.
What is mTLS, how does it work, and why does almost nobody use it?
Mutual TLS makes both sides of a connection prove who they are. It's common between servers but rare for people. Here's how it works, and why.
How to prevent cheating in online exams and mock tests
How students cheat in online tests, which controls suit which stakes, the rules to publish, and the warning signs to check in results before you publish ranks.
Connection pool size: how to calculate it with Little's Law
Size database pools, Gunicorn workers and pods from real numbers with Little's Law, see why bigger pools slow Postgres down, and follow a worked exam-day example.
Google DMCA: how to remove pirated links from search
De-index pirate pages so students searching your course name find you, not a leak: Google's copyright removal form, Lumen, TCRP and what Google won't remove.
What is RASP? Runtime app protection and its limits
Runtime application self-protection helps mobile apps notice tampering and hostile devices. The attacks it targets, where it falls short, and what to ask a vendor.
How to prevent question paper and test series leaks
How test series leak, the warning signs to watch for, who should see a paper, when to release solutions, and what India's paper leak law covers.
Google Drive copyright infringement: removing course leaks
Cloud lockers are where Telegram posts point. How to report Google Drive and Mega files, what each asks for, and why course videos shouldn't be shared as Drive links.
Postgres too many connections error: causes and fixes
What 'sorry, too many clients already' means, how to find the culprits in pg_stat_activity, quick relief during an incident, and why raising max_connections isn't the fix.
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