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64 discussions in the community

message queues: fanout versus point-to-point for real-time notifications?

hey all, im working on a system that needs to push real-time updates to a large number of users at the same time, kinda like a live feed or alerts. im...

Message QueuesInterview PrepReal-time
Banu YerzhanovaBanu Yerzhanova
13311122

Message queues for inter-microservice communication: Which is best?

hey folks, ive been thinking a lot about how microservices talk to each other, especially when we need to decouple services and handle spikes in load....

Message QueuesMicroservicesReal-time
Perizat JumagaliyevaPerizat Jumagaliyeva
616828

Real-time notifications: WebSockets or Server-Sent Events?

hey ppl, been thinkin bout doin real-time notifs for this new thing. we gotta push updates from the server to clients right away, like, instantly. my ...

System DesignReal-time
Thierry DuboisThierry Dubois
1541931

Real-time Leaderboards: Fan-out versus Fan-in?

hey all, so im building a new feature for a game, it needs a leaderboard that updates instantly. we think lots of people will be writing scores (game...

ScalingReal-timeCaching
Ingrid SvendsenIngrid Svendsen
883929

real-time data sync, websockets vs. sse vs. polling? dont you know

hey everyone, im wrestling with how to best keep client UIs updated in near real-time. weve got a system where data can change frequently on the backe...

API DesignReal-timeArchitecture Patterns
Amira HassanAmira Hassan
1777639

real-time data sync: what's your go-to db strategy

hey all, i'm wrestling with a real-time data synchronization problem for a new app. we need changes to propagate across multiple client applications a...

Real-timeDatabases
Gulmira TemirkhanovaGulmira Temirkhanova
849429

so, what are the trade offs with different real time data syncing methods?

hey folks, im trying to nail down the best ways to keep data in sync across multiple clients in real-time. we're building a collaborative editing tool...

Real-timeInterview PrepCaching
Cemile DemirciCemile Demirci
1329527

When does real-time data become a scaling bottleneck

hey folks, ive been thinking a lot about real-time data pipelines lately, esp with services that need to push updates instantly. weve seen massive use...

ScalingReal-time
Uyen TranUyen Tran
599428

message queues. when do they add more complexity than value? i mean, sometimes they just seem like overkill, dont they?

So, I've been pondering message queues quite a bit lately. Everyone seems to use them for breaking up services and dealing with tasks that don't need ...

Message QueuesDeep DiveReal-time
Bing ZhouBing Zhou
1765328

when is a global unique id generator really necessary

we've been kicking around the idea of implementing a global unique ID generator for our distributed system. on one hand, it feels like a good way to a...

Real-timeSystem DesignBest Practices
Hajar ChraibiHajar Chraibi
4203334

real time notifs, push vs pull for mobile

thinking bout building a real time notification system for a mobile app. we need to alert users to new messages and events instantly. the options seem...

Real-time
Lysandra KavourakisLysandra Kavourakis
1180841

api design: how do you deal with eventual consistency

Hey everyone, I've been struggling a bit with designing APIs for systems that are, well, eventually consistent. Like, when a user changes their profil...

Beginner QuestionAPI DesignReal-time
Aigul ZharylkasynAigul Zharylkasyn
683331

Server-Sent Events or WebSockets for real-time data sync? Which is better?

hey everyone, i'm trying to figure out the best way to send live updates from our backend to tons of connected clients. we're getting a lot of traffic...

PerformanceSystem DesignReal-time
Wenjing LuoWenjing Luo
808129

Real-time leaderboards: Should we poll or use WebSockets?

so, i'm building this real-time leaderboard thing for a game, and i'm trying to figure out the best way to update scores. should i just keep polling f...

System DesignReal-time
Selene MarinSelene Marin
951538

WebSockets versus Server-Sent Events for real-time updates? dont know which is better.

Hey everyone, I'm trying to figure out the best way to handle real-time updates, like live scores or notifications, where the server needs to push inf...

ScalingReal-time
Urmila DeviUrmila Devi
1101335

when should you reconsider your real-time strategy? like, maybe when its not working?

ive been working on a few projects recently that require real-time updates. Weve handled some of it with standard polling, but its starting to feel in...

Real-timeMessage Queues
Quetzalli RamírezQuetzalli Ramírez
2234041

whens it time to move from polling to WebSockets?

Lately, I've been building a few apps where I need to update client-side data a lot. I usually just poll, maybe with some exponential backoff if thing...

Real-time
Elias RahalElias Rahal
835228

dont use websockets when you can use server-sent events.

hey folks, ive been thinking about real-time data updates and the common approaches. weve got WebSockets and Server-Sent Events (SSE) as primary optio...

Trade-offsReal-time
Amira BenslimaneAmira Benslimane
1228040

When should you actually use a CDN?

i've been thinking about how to best serve static assets like images and JS files to a global user base. we're starting to see slow load times in regi...

CachingArchitecture PatternsReal-time
Vanida SombatVanida Sombat
1255532

when is it smart to use a message queue tbh

hey everyone, ive been thinking about system design patterns lately. We often see message queues mentioned for decoupling services and handling asynch...

Real-time
Helga SchmidtHelga Schmidt
1311830