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119 discussions in the community

when do you actually need a NoSQL database

hey everyone, ive been working on a few projects lately and the topic of NoSQL databases keeps popping up. we're currently using a traditional relatio...

System DesignPerformanceScaling
Beatriz ValdiviaBeatriz Valdivia
315430

when do you start thinking about a database read replica?

Hey everyone, I'm running into some scaling problems with a pretty busy web app. The main database is starting to struggle with all the read requests,...

PerformanceCase Study
Inkar ZharylkasynovaInkar Zharylkasynova
2310838

when should you think about eventual consistency instead of strong consistency?

hey everyone, i've been thinking a lot about consistency models lately, especially when designing distributed systems. we often aim for strong consist...

Career AdvicePerformance
Xylina AkbariXylina Akbari
601022

caching invalidation, what's your most painful trade-off? dont tell me its a simple fix, because i know its not.

hey everyone, ive been wrestling with caching invalidation lately. we all know caching is key for performance, but keeping it fresh without causing to...

Trade-offsSystem DesignPerformance
Vanida ChaisriVanida Chaisri
1186436

database connection pooling: overkill or essential?

Hey everyone, I've noticed a lot of focus on database connection pooling lately, especially for apps that handle tons of requests. The whole point is ...

Performance
Gael MontoyaGael Montoya
2980338

Rate limiting strategies, what's your default?

Hey everyone, I've been thinking a lot about rate limiting lately. APIs are everywhere now, and we really need to protect services from abuse or overl...

System DesignPerformanceTrade-offs
Jasmine TranJasmine Tran
1743134

when do you actually need a circuit breaker pattern

I've been working on a distributed system, and some services talk to each other over the network. We've run into problems where one slow service can c...

API DesignPerformanceDevOps & SRE
Oriana KimOriana Kim
891529

when to go with eventual consistency versus strong consistency

Hey everyone, I've been thinking about consistency models lately. We're working on a new feature with user-generated content and some tricky interdepe...

ScalingPerformanceMicroservices
Wassila BakhtiyarWassila Bakhtiyar
1188125

so like when do you actually put rate limiting in place, you know

i've been thinking a lot about protecting backend services from abuse and overload. rate limiting seems like a key strategy for this, but i'm wonderin...

Interview PrepPerformance
Almas SaparovaAlmas Saparova
801238

When should you think about using a reverse proxy?

hey folks, ive been thinking a lot about reverse proxies lately, espcially in the context of scaling and security. We use one now, but Im curious abou...

Performance
Marzhan BakytbekMarzhan Bakytbek
1916027

api gateway vs direct service calls: when to introduce an abstraction? dont wait too long. it can get messy.

hey folks, i've been thinking about api design recently. we're a growing microservices setup, and right now, services just talk straight to each other...

Message QueuesPerformanceAPI Design
Czeslawa DabrowskaCzeslawa Dabrowska
1979634

how to optimize real-time data fetching without overwhelming the backend?

hey everyone, i'm wrestling with a common real-time system challenge, efficiently getting fresh data to users without burning out our servers. we're s...

PerformanceReal-timeDeep Dive
Nektaria PetrakisNektaria Petrakis
1576926

when do you really need a cdn tho, like whats the tipping point

ive been thinking a lot about performance lately, especially how to serve static assets quickly to users all over the world. Weve seen a lot of discus...

PerformanceDeep DiveCaching
Disha PathakDisha Pathak
1831241

When should you think about using a CDN for your app?

hey folks, ive been thinking a lot about performance lately, especially for web apps serving geographically distributed users. we're currently handlin...

CachingSystem DesignPerformance
Jian N. LimJian N. Lim
1205327

So, how do you actually get that sweet spot between reading and writing super fast in a system that's handling tons of

Hey everyone, I'm working on a system that gets hammered with writes but also needs super fast reads. It's proving tricky to get both sides of the equ...

Performance
Qianyi TanQianyi Tan
542029

my strategy for zero-downtime deployments involves a few key things, and honestly it's all about planning.

hey everyone, i'm trying to figure out the best way to deploy new versions of our services without interrupting users. we've looked at blue-green depl...

PerformanceDevOps & SREBeginner Question
Kambele DiarraKambele Diarra
893931

cache invalidation strategies for real-time data

hey all im workin on a system where users see real time updates and were usin redis for caching the main challenge seems to be invalidatin the cache e...

CachingBeginner QuestionPerformance
Hèlios PapadopoulosHèlios Papadopoulos
1168129

Message Queue Tuning for High Throughput?

were hitting some bottlenecks with our main message queue and im wondering how others approach tuning. were seeing high latency during peak hours, and...

Career AdvicePerformanceMessage Queues
Wendy ContrerasWendy Contreras
2665636

real-time chat whats the best pub sub for extreme scale

Hey everyone, so we're working on this new real-time chat thing, and we're expecting to handle millions of people chatting at once. We're thinking abo...

Real-timePerformance
Majid HassanMajid Hassan
1691337

how to make apis faster when lots of people are reading stuff prob depends on how youre set up but think caching and

So, I've been trying to figure out how to make an API faster, you know, the kind that gets way more reads than writes. It's started to get a little sl...

PerformanceInterview PrepAPI Design
Chisom OkoroChisom Okoro
1119433