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Questions tagged [queuing]

75 questions
27
votes
1 answer

ASP.net session request queuing

It seems to me that ASP.net queues up all requests that use the same Session ID. Let's say you've got 3 pages. Default.aspx protected void Page_Load(object sender, EventArgs e) { Session["asdf"] = "LOLZ"; } Hitting this page would obviously…
Novikov
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1 answer

How to Build a PHP Queue System

I had to build a PHP Queue System, and found this brilliant article http://squirrelshaterobots.com/programming/php/building-a-queue-server-in-php-part-1-understanding-the-project and I used it to create a PHP queue system, its very easy to set-up…
Folding Circles
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7
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2 answers

HornetQ messages still remaining in queue after consuming using core api

I am new to HornetQ so please bear with me. Let me first tell you my requirements : I need a messages queuing middleware which can pass messages , of about 1k in size, between different process with low latency and persistence(i.e. it should…
Vivek Mehra
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1 answer

Does SQL Server have a feature similar to Oracle Streams Advanced Queuing?

Oracle Streams AQ (Advanced Queuing) provides highly scalable database-backed queuing functionality. Does an equivalent feature exist in SQL Server (any version)? Note: I do not mean simply using a table as a queue, but a specific vendor-provided…
Synesso
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6
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1 answer

R job job queueing / workload management

I have been spending some time on Google looking for a queuing / load balancer package for R. What I am trying to achieve: executing multiple independant from eachother R functions from remote front ends taking advantage of 2 dual-core servers as…
Sam
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5
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1 answer

New linux tc queuing discipline to create bursts...ran out of knowledge

I want to write a new tc queuing discipline for the linux kernel. The goal is to queue up eg. ten packets and then send them all out (I know, that's not really a good thing for networking, but I want to do some research with that). So, what's…
Christoph
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6 answers

Transactional queueing/dequeueing

I need to queue events and tasks for external systems in a reliable/transactional way. Using things like MSMQ or ActiveMQ look very seductive, but the transactional part becomes complicated (MSDTC, etc). We could use the database (SQL Server 2005+,…
chadmyers
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2 answers

How to host MassTransit and RabbitMq

We are working towards an architecture like one below but we will have micro services on cloud and some on premises which will talk to each other using queue(s) and bus(es), Now I am confused with where we should host MassTransit and RabbitMq,…
Mathematics
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3
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1 answer

Observing average wait time for goroutines

I'm running a server application serving a high number of QPS and for each query I perform some computation which is heavily CPU bounded. I took a trace and put a screenshot below. The x-axis is the time and the y axis is the number of…
jeremie
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3
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queuing system that allows you to dequeue multiple items at once

I'm wondering if there is a queuing system that allows one to dequeue multiple items at once. A quick google search turned up oracle's Advanced Queuing, but the use case doesn't warrant anything as crazy as getting oracle licenses. I'm pretty…
n_are_q
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1 answer

How can I use a queue with an on-demand CakePHP worker?

In CakePHP, there are various systems for managing the queue itself (RabbitMQ, beanstalk, Amazon SQS, dereuromark’s cakephp-queue), but all of those seem to require an daemonized worker task. These always-on workers (which have the full power of…
Curtis Gibby
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1 answer

Iterate before or inside a Resque task?

I have 2 models: User and Group Every time a user joins a group, an email gets sent to all members of that group. I have a Resque worker that takes care of sending emails in the background. The question is the following: Should I iterate before or…
lpdahito
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3
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5 answers

AsyncTask detecting if done

I have created an AsyncTask that loads data from a website then when I execute it. At the moment I'm getting a null pointer exception which I think is caused because I'm trying to fill the UI too early so I'm hoping to create some kind of if…
Luke Batley
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2
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1 answer

Acknowledge messages in NSQ

I'm new to NSQ and was wondering whether it is possible to acknowledge that a message was consumed (just like in Google PubSub). I'm using Golang, and while going through the NSQ documentation…
HerbertRedford
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2 answers

Don't queue fadeTo(), fadeIn()/fadeOut()

I have the following animations: $('#id').animate({'margin-top': 100, 'margin-left': 100}, {queue: false, duration: 1000}); $('#id2').fadeTo(1000, 1); this seems to be queuing, how can i make sure that fadeTo() doesn't queue?
GManz
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