Questions tagged [caching]
Questions regarding cache algorithms by applications and implementations of information caching by database engines and other information repository and presentation applications.
267 questions
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Should pagination metadata like totalCount be included in the ETag for cached paginated API responses?
I am currently rethinking my API response schema and caching strategy while implementing ETag-based caching for a paginated REST API (for example, listing places).
Each paginated response looks like ...
- 19
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4
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273
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A passive LRU cache with locks
Context
I'm working on a client-server-agent application, where server distributes tasks supplied by clients over agents. Server is passive, all communications are initiated by clients and agents.
...
- 4,507
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163
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Invalidate session for user in authentication
when user login in my web application (Article Website) I'm using Redis to cache the refresh token. So when user login I will generate refresh token and send it to him. While caching in my Redis the ...
- 21
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133
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Best Practice for Managing Payment Subscription Tier Status
I'm trying to understand the best way to approach how to manage and update a user’s payment subscription status in a web application. Let’s say you have a subscriptions table in a database that is ...
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115
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Designing a Scalable Caching Layer for User and Tenant Metadata in a Messaging System
I'm developing a microservice-based application that processes a high volume of messages. Each message must be handled according to the user’s personal settings and some tenant-specific (customer) ...
- 59
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444
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How can I keep data defragmented and sorted if it's large and often changes randomly?
This problem is very relevant to games and real-time simulations but it may have broader applications. It seems inherently difficult to solve.
The problem:
Imagine that you have a large buffer of data,...
- 69
4
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332
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Are contiguous objects contiguous in virtual memory or physical?
More or less what the title says.
Suppose we have a sequential container like vector in c++ that will store data contiguously.
When we say that the data is stored contiguously do we mean that it's ...
- 179
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641
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How can single thread execution speed further increase since frequency stagnates?
What are things that newer CPU can do to speed up single thread execution?
multiple registers? (can compilers always benefit from it?)
SIMD? (do compilers use SIMD without code annotation?)
does a ...
- 2,280
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435
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Populating Cache in microservices
These days I was asked by our technological leader to populate a cache.
The exact nature of the request impacts a back-end (BE) system that operates on a database through a client library.
The BE is a ...
- 147
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377
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What is the best way to cache paginated data when any page can be moved to and page size is changeable?
I have a React Redux web app that fetches data from an Express/Node backend and MySQL database. I have a table of records that I fetch and store in redux as an array of objects, which I display as a ...
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323
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How do I build my application with high throughput in mind? (Need guidance)
I am building a Spring boot REST API app that is part of a microservice architecture project. What I am planning:
My app listens for events from two other services and after some business logic, ...
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78
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Effectively invalidating multiple entries from one composed key
Context
I m building a dashboard application gathering data from a Rest API
This Rest API can be requested by client applications others than the dashboard to get data
That data is then aggregated ...
- 1,591
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2
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250
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Can caching increase p90 response time
I'm learning about caching and I realized a positional problem I need clarification on.
Suppose the database p90 response time is too high and we need to decrease it. We are considering adding a cache....
- 119
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84
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Distributed caching system that scales and enables real-time UI updates?
I have a NextJS app for which I want to cache data from our backend APIs to reduce the load when we have high volumes of concurrent users scrolling through (or search) years-worth of historical data.
...
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How do I solve caching problems such as cache invalidation and data race in a monolithic app?
When creating a distributed web application, cache invalidation can be a big deal. However, our web application doesn't need distributed load, as we don't expect to serve more than 1k users at a time. ...
