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6
votes
1answer
148 views

Querying large amount of data for parallel processing [closed]

I have a dataset containing list of users (around 50M). Each user has an email address, name, and some more data columns. I want to send a weekly email to those users, and the content of the email ...
1
vote
0answers
63 views

Better choice of Queue then a ConcurrentLinkedQueue if I have low number of threads in Java

I have two threads, one that is reading messages from the web and putting them into some sort of a queue. The other is suppose to read it. I looked into a ConcurrentLinkedQueue and it looks good for ...
1
vote
1answer
55 views

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 ...
1
vote
2answers
60 views

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 ...
1
vote
2answers
244 views

Creating a queue for web services

I have a program running that collects metadata from the internets. Every so often a summary of this data is written up (every 30 min or so) and the summary is posted to a database. The summary is ...
2
votes
1answer
54 views

Queue rescheduling naming convention (Command pattern)

For my project I'm creating a queueing mechanism based on the Command Pattern, which can execute one of a number of jobs. Jobs can add other jobs to the queue or can be added by a human. Most of the ...
0
votes
1answer
1k views

How to remove a middle element from queue?

I had a question, about how to remove an element from middle of the queue , without disturbing the order of other elements. E.g. Queue before operation:- <| a b c d e |< Queue after ...
7
votes
1answer
309 views

Message Queue for RTOS for microcontrollers

I'm currently writing an RTOS for microcontrollers. The whole thing is written in C++11 - if anyone is interested, and the link to the repository is at the bottom. Currently I'm writing a class that ...
-3
votes
1answer
974 views

Reverse a queue using an extra queue [closed]

You are given 2 queues, Q1 and Q2. Q1 is already filled with n elements. Q2 is empty You have to reverse all the elements in Q1. You cannot use any other space apart from Q2. only operations ...
0
votes
2answers
518 views

Terminology: queue versus fifo

When referring to or documenting a typical lock-free circular data structure (or class or object) used to communicate between arbitrarily long asynchronous threads or processors: "queue", "fifo" or ...
2
votes
0answers
61 views

What happens differently when you add a task Asynchronously on GAE?

Google's doc on async tasks assumes knowledge of the difference between regular and asynchronously added tasks. add_async(task, transactional=False, rpc=None) Asynchronously add a Task or a list ...
0
votes
1answer
195 views

I'm making a report generator, how should I run it?

So I've started a project to generate reports for our system. These are reports that we deliver to our end customers and they are so specialized that no existing system can generate them. This is not ...
0
votes
2answers
223 views

Queues and threading

I am developing a new project where I will be constantly checking a webpage for data and adding this data to a queue for processing. This data will then be removed from the queue and added to a list ...
2
votes
2answers
7k views

How to increase the efficiency of an Immutable Queue in java?

I have been developing an Immutable queue in java, but the version I have developed is supposedly slow and I have been suggested to create a faster version of the same and I have no idea as to how to ...
5
votes
3answers
1k views

Use Queue<T> or stick to native f# lists

I need something that represents a queue in F#. The queue will be filled with items once, and (as the application progresses) items will be taken from this queue and moved to other lists. Should I ...
7
votes
3answers
1k views

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) ...