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🔴 LIVE Today: Leadership decoded in a VUCA world
🔴 LIVE Today: Leadership decoded in a VUCA world
Hello, What happens when a battlefield leader, a global CIO, and a tech COO walk into a keynote? You get a session that redefines leadership in the age of chaos. We’re going LIVE from #ShieldNXG, Bangalore with: • Lt Col Savin Sam – Indian Army officer, AI strategist, and a global thought leader who’s lived leadership under real fire. • Preeti Singh – Global COO of 7Infinity, driving innovation and transformation at scale. • Shamsheer Khan – Global CIO, security visionary, and the architect of cyber resilience at fnCyber. Together, they’ll explore: • Leadership in a VUCA world • Cybersecurity, AI & emerging tech as enablers of trus • Human resilience when the stakes are highest This is more than a session. It’s a playbook for tomorrow’s leaders. Join the LIVE session now Cheers,
Thamizh
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by "Thamizh | ManageEngine" <thamizh@manageengine.com> - 12:18 - 20 May 2025 -
[REPLAY AVAILABLE] See what you missed in Utah!
If you didn’t hear already… Utah was awesome!
Survey Funnels, Charisma Hacking, and Russell’s big announcement. (You gotta see this!)
If you missed the ClickFunnels Connect livestream… Don't worry!
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WATCH THE CF CONNECT UTAH EVENT REPLAY AND HEAR RUSSELL’S ANNOUNCEMENT HERE >>
This was such a fun, high-value stream!
Here’s a sneak peek at what’s on the replay:
✅ Jake Leslie and Ben Moote revealed how to build Survey Funnels that guide people naturally into your offer
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✅ Bridger Pennington shared a simple SEO tweak that boosted one of his old funnel pages to the top of Google
✅ And yes… Russell shared ___________________________! (Nice try, haha! I’m not spilling the beans!! You have to watch to see the big announcement!)
WATCH THE CF CONNECT UTAH EVENT REPLAY AND HEAR RUSSELL’S ANNOUNCEMENT HERE >>
No pitches. No offers. Just real training, ideas, and behind-the-scenes strategies from people in the trenches.
But here’s the catch:
The replay is only up until Friday at 11:59PM… After that, it goes into the vault!
So don’t miss it a second time!
WATCH THE CF CONNECT UTAH EVENT REPLAY AND HEAR RUSSELL’S ANNOUNCEMENT HERE >>
See you on the replay!
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by "Todd Dickerson" <noreply@clickfunnelsnotifications.com> - 11:18 - 19 May 2025 -
I wired half a million dollars… BLIND?! (video reveal)
OK… Not sure if you’ve been following along with my FREE docu-series: Bibliomania…?
But, if you haven’t… You totally should be! You’ll have a blast seeing how much I geek out over old books…
(Yea, I’m kind of a nerd when it comes to historical marketing and success books… but you probably already knew this about me ;)
Now, if you don’t already know… I’ve already invested MILLIONS of dollars in old/rare books surrounding the New Thought movement that can’t be found anywhere else, including one of the all-time greats, Napoleon Hill…
BUT there was one thing I was missing, and I HAD to have it…
The goal? Make a movie around one of Hill’s most controversial works EVER.
And that’s what I reveal in the second episode of Bibliomania… called Ocean’s 7!!
You can go watch it for FREE right now (when you tap or click the link below)...
WATCH BIBLIOMANIA EPISODE #2: OCEANS 7 HERE >>
(BTW… If you missed episode one… You can watch that too!)
In the second (heart-pounding) episode, I cover the entire battle for this RARE book… including the crazy late night jet flight… and it just launched this morning!
Oh man… let’s just say I’ve had to haggle for books before, but this was unlike anything I had ever experienced in my life, and things did NOT turn out as planned.
Watch Episode #2 ASAP to watch how it all goes down AND get the latest peek at what’s coming next for Secrets of Success! (Hint: It’s insane!!!)
WATCH BIBLIOMANIA EPISODE #2: OCEANS 7 HERE >>
Talk soon,
Russell Brunson
P.S. – Don’t forget, you’re just ONE funnel away…
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If you purchase anything through a link in this email, you should assume that we have an affiliate relationship with the company providing the product or service that you purchase, and that we will be paid in some way. We recommend that you do your own independent research before purchasing anything.
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by "Russell Brunson" <newsletter@marketingsecrets.com> - 09:12 - 19 May 2025 -
Fujian Yongyi Textile: Your ideal functional fabric partner
Dear Info,
Hello!
Hope you are well after receiving this email. We are Fujian Yongyi Textile Technology Co., Ltd., a leading manufacturer specializing in high-performance fabrics for global brands.
We understand today's market demand for durable, functional and affordable textiles. Our key strengths include:
1. Professional sports performance: sports fabrics have functions such as moisture absorption and perspiration, quick drying, antibacterial and UV resistance, meeting the high standards of international sports brands.
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Knitted fabrics, chemical fiber fabrics, sports fabrics, sports functional fabrics, environmentally friendly recycled fabrics, printed fabrics, Velcro.We would be happy to share a product catalog and discuss with you how we can meet your sourcing needs, and we look forward to your feedback!
Best wishes for your business!
Fujian Yongyi Textile Technology Co., Ltd.
by "Lsm" <Lsm@yokia-knitted.com> - 06:44 - 19 May 2025 -
Enhance comfort with quality bedding and curtain fabrics
Dear Customer
Hello! I am a well-known supplier of bedding fabrics production and sales in China, our company is a trusted manufacturer of high performance home textiles, products include
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Let's explore co-operation!
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Jerry
General Manager
WhatsApp:+8613615215166
by "Muse" <Muse@snobiehts.com> - 06:16 - 19 May 2025 -
Elevate Your Kitchen with Top-quality Stainless Steel Solutions
Dear Info,
I hope this email finds you well. We are reaching out to introduce you to a leader in stainless steel product processing with over a decade of experience, renowned for our dedication to quality and innovation in commercial kitchen equipment production.
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Recognizing the surge in courtyard barbecues and outdoor gatherings, we have expanded our expertise to include a diverse range of outdoor kitchen products. Our newly launched product line features robust and stylish outdoor essentials such as cart racks, ovens, folding tables, built-in doors, and cabinets. These versatile additions are designed to elevate your outdoor kitchen space, offering functionality and aesthetic appeal, perfectly tailored for any event or gathering.
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by "sales5" <sales5@brandon-fabrication.com> - 06:06 - 19 May 2025 -
Re: Innovative AI Dash Cam Features for Business Applications
Dear Info,
This is Mavis from TOPWO Technology Co. Ltd.
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by "Jezzy Durey" <jezzydurey@gmail.com> - 04:45 - 19 May 2025 -
Let the electric surfboard take you to endless water fun!
Hello Friend.
Wishing you have a nice day!
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by "marie01" <marie01@hoverstarjet.com> - 04:06 - 19 May 2025 -
How Pinterest Scaled Its Architecture to Support 500 Million Users
How Pinterest Scaled Its Architecture to Support 500 Million Users
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Disclaimer: The details in this post have been derived from the articles/videos shared online by the Pinterest engineering team. All credit for the technical details goes to the Pinterest Engineering Team. The links to the original articles and videos are present in the references section at the end of the post. We’ve attempted to analyze the details and provide our input about them. If you find any inaccuracies or omissions, please leave a comment, and we will do our best to fix them.
Pinterest launched in March 2010 with a typical early-stage setup: a few founders, one engineer, and limited infrastructure. The team worked out of a small apartment. Resources were constrained, and priorities were clear—ship features fast and figure out scalability later.
The app didn’t start as a scale problem but as a side project. A couple of founders, a basic web stack, and an engineer stitching together Python scripts in a shared apartment. No one was thinking about distributed databases when the product might not survive the week.
The early tech decisions reflected this mindset. The stack included:
Python for the application layer
NGINX as a front-end proxy
MySQL with a read replica
MongoDB for counters
A basic task queue for sending emails and social updates
But the scale increased rapidly. One moment it’s a few thousand users poking around images of food and wedding dresses. Then traffic doubles, and suddenly, every service is struggling to maintain performance, logs are unreadable, and engineers are somehow adding new infrastructure in production.
This isn’t a rare story. The path from minimum viable product to full-blown platform often involves growing pains that architectural diagrams never show. Systems that worked fine for 10,000 users collapse at 100,000.
In this article, we’ll look at how Pinterest scaled its architecture to handle the scale and the challenges they faced along the way.
The Initial Architecture
Pinterest’s early architecture reflected its stage: minimal headcount, fast iteration cycles, and a stack assembled more for momentum than long-term sustainability.
When the platform began to gain traction, the team moved quickly to AWS. The choice wasn’t the result of an extensive evaluation. AWS offered enough flexibility, credits were available, and the team could avoid the friction of setting up physical infrastructure.
The initial architecture looked like this:
The technical foundation included:
NGINX is the front-end HTTP server. It handled incoming requests and routed them to application servers. NGINX was chosen for its simplicity and performance, and it required little configuration to get working reliably.
Python-based web engines, four in total, processed application logic. Python offered a high development speed and decent ecosystem support. For a small team, being productive in the language mattered more than raw runtime performance.
MySQL, with a read slave, served as the primary data store. The read slave allowed some level of horizontal scaling by distributing read operations, which helped reduce load on the primary database. At this point, the schema and data model were still evolving rapidly.
MongoDB was added to handle counters. These were likely used for tracking metrics like likes, follows, or pins. MongoDB’s document model and ease of setup made it a quick solution. It wasn’t deeply integrated or tuned.
A simple task queue system was used to decouple time-consuming operations like sending emails and posting to third-party platforms (for example, Facebook, Twitter). The queue was critical for avoiding performance bottlenecks during user interactions.
This stack wasn’t optimized for scale or durability. It was assembled to keep the product running while the team figured out what the product needed to become.
Rapid Growth and Chaos
As Pinterest’s popularity grew, traffic doubled every six weeks. This kind of growth puts a great strain on the infrastructure.
Pinterest hit this scale with a team of just three engineers. In response, the team added technologies reactively. Each new bottleneck triggered the introduction of a new system:
MySQL remained the core data store, but began to strain under concurrent reads and writes.
MongoDB handled counters.
Cassandra was used to handle distributed data needs.
MBase was introduced—less for fit, more because it was promoted as a quick fix.
Redis entered the stack for caching and fast key-value access.
The result was architectural entropy. Multiple databases, each with different operational behaviors and failure modes, created complexity faster than the team could manage.
Each new database seemed like a solution at first until its own set of limitations emerged. This pattern repeated: an initial phase, followed by operational pain, followed by another tool. By the time the team realized the cost, they were maintaining a fragile web of technologies they barely had time to understand.
This isn’t rare. Growth exposes every shortcut. What works for a smaller-scale project can’t always handle production traffic. Adding tools might buy time, but without operational clarity and internal expertise, it also buys new failure modes.
By late 2011, the team recognized a hard truth: complexity wasn’t worth it. They didn’t need more tools. They needed fewer, more reliable ones.
Post-Rearchitecture Stack
After enduring repeated failures and operational overload, Pinterest stripped the stack down to its essentials.
The architecture stabilized around three core components: MySQL, Redis, and Memcached (MIMC). Everything else (MongoDB, Cassandra, MBase) was removed or isolated.
Let’s look at each in more detail.
MySQL
MySQL returned to the center of the system.
It stored all core user data: boards, pins, comments, and domains. It also became the system of record for legal and compliance data, where durability and auditability were non-negotiable. The team leaned on MySQL’s maturity: decades of tooling, robust failover strategies, and a large pool of operational expertise.
However, MySQL had one critical limitation: it didn’t scale horizontally out of the box. Pinterest addressed this by sharding and, more importantly, designing systems to tolerate that limitation. Scaling became a question of capacity planning and box provisioning, not adopting new technologies.
The diagram below shows how sharding works in general:
Redis
Redis handled problems that MySQL couldn’t solve cleanly:
Feeds: Pushing updates in real-time requires low latency and fast access patterns.
Follower graph: The complexity of user-board relationships demanded a more dynamic, memory-resident structure.
Public feeds: Redis provided a true list structure with O(1) inserts and fast range reads, ideal for rendering content timelines.
Redis was easier to operate than many of its NoSQL competitors. It was fast, simple to understand, and predictable, at least when kept within RAM limits.
Durability Modes: Choosing Trade-offs Explicitly
Redis offers several persistence modes, each with clear implications:
No persistence: Everything lives in RAM and disappears on reboot. It’s fast and simple, but risky for anything critical.
Snapshotting (RDB): Periodically saves a binary dump of the dataset. If a node fails, it can recover from the last snapshot. This mode balances performance with recoverability.
Append-only file (AOF): Logs every write operation. More durable, but with higher I/O overhead.
Pinterest leaned heavily on Redis snapshotting. It wasn’t bulletproof, but for systems like the follower graph or content feeds, the trade-off worked: if a node died, data from the last few hours could be rebuilt from upstream sources. This avoided the latency penalties of full durability without sacrificing recoverability.
The diagram below shows snapshotting with Redis.
Why Redis Over MySQL?
MySQL remained Pinterest’s source of truth, but for real-time applications, it fell short:
Write latency increased with volume, especially under high concurrency.
Tree-based structures (for example, B-trees) make inserts and updates slower and harder to optimize for queue-like workloads.
Query flexibility came at the cost of performance predictability.
Redis offered a better fit for these cases:
Feeds: Users expect content updates instantly. Redis handled high-throughput, low-latency inserts with predictable performance.
Follower graph: Pinterest’s model allowed users to follow boards, users, or combinations. Redis stores this complex relationship graph as in-memory structures with near-zero access time.
Caching: Redis served as a fast-access layer for frequently requested data like profile overviews, trending pins, or related content.
Memcached (MIMC): Cache Layer Stability
MIMC served as a pure cache layer. It didn’t try to be more than that, and that worked in its favor.
It offloaded repetitive queries, reduced latency, and helped absorb traffic spikes. Its role was simple but essential: act as a buffer between user traffic and persistent storage.
Microservices and Infrastructure Abstraction
As Pinterest matured, scaling wasn’t just about systems. It was also about the separation of concerns.
The team began pulling tightly coupled components into services, isolating core functionality into defined boundaries with clear APIs.
Service Boundaries That Mattered
Certain parts of the architecture naturally became services because they carried high operational risk or required specialized logic:
Search Service: Handled query parsing, indexing, and result ranking. Internally, it became a complex engine, dealing with user signals, topic clustering, and content retrieval. From the outside, it exposed a simple interface: send a query, get relevant results. This abstraction insulated the rest of the system from the complexity behind it.
Feed Service: Managed the distribution of content updates. When a user pinned something, the feed service handled propagation to followers. It also enforced delivery guarantees and ordering semantics, which were tricky to get right at scale.
MySQL Service: Became one of the first hardened services. It sat between applications and the underlying database shards. This layer implemented safety checks, access controls, and sharding logic. By locking down direct access, it avoided mistakes that previously caused corrupted writes, like saving data to the wrong shard.
PinLater: Asynchronous Task Processing
Background jobs were offloaded to a system called PinLater. The model was simple: tasks were written to a MySQL-backed queue with a name, payload, and priority. Worker pools pulled from this queue and executed jobs.
This design had key advantages:
Tasks were durable.
Failure recovery was straightforward.
Prioritization was tunable without major system redesign.
PinLater replaced ad hoc queues and inconsistent task execution patterns. It introduced reliability and consistency into Pinterest’s background job landscape.
Service Discovery with Zookeeper
To avoid hardcoded service dependencies and brittle connection logic, the team used Zookeeper as a service registry. When an application needed to talk to a service, it queried Zookeeper to find available instances.
This offered a few critical benefits:
Resilience: Services could go down and come back up without breaking clients.
Elasticity: New instances could join the cluster automatically.
Connection management: Load balancing became less about middleware and more about real-time awareness.
Data Pipeline and Monitoring
As Pinterest scaled, visibility became non-negotiable. The team needed to know what was happening across the system in real-time. Logging and metrics weren’t optional but part of the core infrastructure.
Kafka at the Core
The logging backbone started with Kafka, a high-throughput, distributed message broker. Every action on the site (pins, likes, follows, errors) pushed data into Kafka. Think of it as a firehose: everything flows through, nothing is lost unless explicitly discarded.
Kafka solved a few key problems:
It decoupled producers from consumers. Application servers didn’t need to know who would process the data or how.
It buffered spikes in traffic without dropping events.
It created a single source of truth for event data.
Secor + S3: Durable, Queryable Logs
Once the data hit Kafka, it flowed into Secor, an internal tool that parsed and transformed logs. Seor broke log entries into structured formats, tagged them with metadata, and wrote them into AWS S3.
This architecture had a critical property: durability. S3 served as a long-term archive. Once the data landed there, it was safe. Even if downstream systems failed, logs could be replayed or reprocessed later.
The team used this pipeline not just for debugging, but for analytics, feature tracking, and fraud detection. The system was designed to be extensible. Any new use case could hook into Kafka or read from S3 without affecting the rest of the stack.
Real-Time Monitoring
Kafka wasn’t only about log storage. It enabled near-real-time monitoring. Stream processors consumed Kafka topics and powered dashboards, alerts, and anomaly detection tools. The moment something strange happened, such as as spike in login failures, a drop in feed loads, it showed up immediately.
This feedback loop was essential. Pinterest didn’t just want to understand what happened after a failure. They wanted to catch it as it began.
Conclusion
Pinterest’s path from early chaos to operational stability left behind a clear set of hard-earned lessons, most of which apply to any system scaling beyond its initial design.
First, log everything from day one. Early versions of Pinterest logged to MySQL, which quickly became a bottleneck. Moving to a pipeline of Kafka to Seor to S3 changed the game. Logs became durable, queryable, and reusable. Recovery, debugging, analytics, everything improved.
Second, know how to process data at scale. Basic MapReduce skills went a long way. Once logs landed in S3, teams used MapReduce jobs to analyze trends, identify regressions, and support product decisions. SQL-like abstractions made the work accessible even for teams without deep data engineering expertise.
Third, instrument everything that matters. Pinterest adopted StatsD to track performance metrics without adding friction. Counters, timers, and gauges flowed through UDP packets, avoiding coupling between the application and the metrics backend. Lightweight, asynchronous instrumentation helped spot anomalies early, before users noticed.
Fourth, don’t start with complexity. Overcomplicating architecture early on, especially by adopting too many tools too fast, guarantees long-term operational pain.
Finally, pick mature, well-supported technologies. MySQL and Memcached weren’t flashy, but they worked. They were stable, documented, and surrounded by deep communities. When something broke, answers were easy to find.
Pinterest didn’t scale because it adopted cutting-edge technology. It scaled because it survived complexity and invested in durability, simplicity, and visibility. For engineering leaders and architects, the takeaways are pragmatic:
Design systems to fail visibly, not silently.
Favor tools with proven track records over tools with bold promises.
Assume growth will outpace expectations, and build margins accordingly.
References:
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A leader’s guide to a prosperous economy
Leading Off
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How are corporate boards handling geopolitical risk?
On McKinsey Perspectives
Brought to you by Alex Panas, global leader of industries, & Axel Karlsson, global leader of functional practices and growth platforms
Welcome to the latest edition of Only McKinsey Perspectives. We hope you find our insights useful. Let us know what you think at Alex_Panas@McKinsey.com and Axel_Karlsson@McKinsey.com.
—Alex and Axel
•
Rising complexity. Corporate boards face increased complexity, with heightened geopolitical risk among the main concerns they must consider. Yet even though boards acknowledge their expanding role in guiding organizations, less than half of surveyed board directors say geopolitical and macroeconomic risks are currently on their agendas, McKinsey Senior Partner Frithjof Lund reveals in a recent episode of the Inside the Strategy Room podcast. Developing a tool kit to manage geopolitical risk is a new muscle for many boards to build, McKinsey Partner Ziad Haider adds.
—Edited by Belinda Yu, editor, Atlanta
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📍 Where: De Nieuwe Liefde, Da Costakade 102, 1053 WP Amsterdam
- Hear from Ryan Earley, Enterprise Sales Engineer, as he shares how Datadog helps DevSecOps teams gain full visibility from code to cloud and ship faster, safer software.
- Learn how to unify vulnerability management, Cloud SIEM, runtime threat detection, and compliance monitoring—so your teams can stay secure and agile at scale.
- Enjoy drinks, food, and great conversations with fellow tech professionals and innovators in your city.
Secure your spot now – space is limited!Cheers,
Tanja RagnarssonSenior Manager, Field Marketing
P.S. Get more of Datadog at DASHJoin us on June 10-11 in NYC for Datadog’s annual conference—the observability event of the year! Learn more.
This email was sent to info@learn.odoo.com.
by "Tanja Ragnarsson" <events@datadoghq.com> - 10:00 - 18 May 2025 -
STARTS TUESDAY!] Did you see my offer?
OK… it’s almost here! I’m so pumped… I can’t even tell you how excited I am!
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P.S. - Don’t forget, you’re just ONE funnel away…
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by "Russell Brunson" <newsletter@marketingsecrets.com> - 09:13 - 18 May 2025 -
Premium Elevator Parts for Unique Needs – QTYX Group’s Flexible Solutions
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by "official22" <official22@yongxian-group.com> - 03:09 - 18 May 2025 -
Discover the Future of Compact, Dimmable Lighting – Introducing the FR-Gu4-3W-026DIM
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by "Issel Meir" <hardmisses305@gmail.com> - 03:27 - 18 May 2025 -
Limited Slots Available for Partnership at Poulton Park Golf Club
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by "James Thomson - Golf Marketing Agency" <info@golfmarketingagency.co.uk> - 02:51 - 18 May 2025 -
Unbeatable Digital Display Solutions
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by "Xiaobai Bodin" <maschleralessandra656@gmail.com> - 10:19 - 17 May 2025
