All Questions
12 questions
-1votes
1answer
36views
Options to maintain queue of resources that will be uniquely returned
I need to maintain a queue of resources in a cache such that when multiple clients try to pop elements from the queue concurrently, each element would be uniquely returned to only one of the clients. ...
- 157
0votes
0answers
47views
Designing sane messaging paradigm for concurrent updates
We have a weird use-case that I need to support in my application and needed some opinions on how to design it. At a basic level the application allows users to work on a "list" of "tweets" she cares ...
- 109
1vote
1answer
141views
Do I need a queue manager over the database generating execution requests?
I am developing a multi-user application where a user interacts with the UI and submits execution requests (ER). Each user can submit multiple ERs one after the other and multiple users may submit ERs ...
1vote
2answers
1kviews
Best design for a AMQP work queue
I have a system where a user uploads a file to import some users but it's necessary to do some validations and this take some time. I would like to create a work queue with RabbitMQ and the user will ...
- 11
1vote
1answer
329views
Serving tasks for multiple users from one queue in parallel way
I'm designing a solution in which users perform tasks based on task queue. The point is to create system, where user goes on specific URL and server serves him listing with for example: items to asses ...
1vote
2answers
609views
Are there any use cases for List when Deques and Arrays are available?
I've been thinking about this over the past few weeks, and I've come up with no good arguments. My perspective is from Java, but if anyone has any language-specific cases outside of this language, I'...
- 229
0votes
1answer
349views
The right way of redundant task queuing?
I'm currently working on refacting an existing project. Basicaly, I need to perform requests to remote services. Current solution is to write tasks to a database and then poll them using cron jobs. ...
- 103
4votes
4answers
4kviews
Designing an efficient implementation of a random access queue based on a linkedlist
I'm currently working through Robert Sedgewicks "Algorithms in java" (3rd edition, german) on my own and am currently at one of the more complicated questions there. I think I may have the starting ...
2votes
1answer
365views
How to detect end of queue in a parallelized web crawler?
Let's say I want to program a parallelized web crawler which has a shared FIFO queue (multi consumer/multi producer). The queue only contains URLs. How do I detect the end of the queue? A worker ...
- 41
1vote
1answer
100views
Threads Inside Full Duplex Device Library
This is the second project I'm working on which will use a design that I'm not 100% confident about. I'd like some feedback, maybe recommendations for a better design, or verification that this would ...
- 141
2votes
2answers
112views
Operations Job Queue Strategy
I am working on an application that requires manual approval of requests put in by customers. Now lets say there are 10 people involved in this operation and each of them has a webpage in front of ...
- 123
9votes
3answers
2kviews
When designing a job queue, what should determine the scope of a job?
We've got a job queue system that'll cheerfully process any kind of job given to it. We intend to use it to process jobs that each contain 2 tasks: Job (Pass information from one server to another) ...
- 568
