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Questions tagged [nservicebus-distributor]

54 questions
7
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2 answers

What is the correct way to use the timeout manager with the distributor in NServiceBus 3+?

Version pre-3 the recommendation was to run a timeout manager as a standalone process on your cluster, beside the distributor. (As detailed here:…
janovesk
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6
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1 answer

NServiceBus: Pros and Cons of using NServiceBus Distributor

I am considering using a Network Load Balancer to load balance messages between my subscriber instances, instead of using the NServiceBus distributor (which is basically just a software load-balancer from what I can tell). Each subscriber instance…
skb
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5
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2 answers

NServiceBus Publish/Subscribe

We are trying to find an elegant solution for reporting exceptions generated from systems across our infrastructure that's easier to operate on than viewing e-mail or checking log files. The publish/subscribe model across a service bus, would solve…
Matt
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4
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1 answer

NServiceBus: Increasing number of messages in storage-queues after saga-timeouts

First Some info about the setup: We are running NServiceBus v4.6.3 Distributors are running on clustered machines with clustered queues. The TimeoutManager is disabled on the workers and enabled on the distributor. What we are experiencing When…
Magnus
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3
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1 answer

How to have Load balanced web services sending messages with nservicebus to multiple subscribers?

I have load balanced web servers, that with the existing code base, handles when a user logs into the site. I would like to send a broadcast message to any applications that have subscribed saying 'hey x logged in' ? So have many web servers and…
Mrt
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3
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1 answer

NServiceBus and DTC's

Im using the Distributor in NServiceBus and i've hit a wall of ignorence regarding DTC's. Ive only used DTC once maybe twice before when doing stuff across processes and not a lot, so im very newbie with the whole DTC concept. Question: To ensure…
Christian Mikkelsen
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3
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1 answer

NServiceBus Distributor - How to split application

We have 1 service which selects som id's from the database and then processes them with some buisness logic in sequence. The processing we would like to scale out and do in parallel, without creating a lot of internal threads. My question is: If I…
Christian Mikkelsen
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2
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1 answer

NService Bus - Content based routing & auditing - is my approach ok?

I have a little trouble deciding which way to go for while designing the message flow in our system. Because the volatile nature of our business processes (i.e. calculating freight costs) we use a workflow framework to be able to change the process…
Zebi
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2
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2 answers

What is the reason behind NServiceBus one-distributor-per-message-type best practice?

I have seen it mentioned several times as a best practice that there should be one distributor process configured per message type, but never any explanation as to why this is so. Since increasing the number of distributors increases the deployment…
jlew
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2
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1 answer

NServiceBus: Load-balancing subscribers

Is it possible to load balance my subscriber worker nodes without using a distributor? Here's what I am thinking: Instead of having my distributor subscribe to a publication, and having each worker node "report for duty" to handle messages, what if…
skb
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2
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2 answers

NServicebus+RabbitMQ and Distributor

NServiceBus Distributor/Worker pattern makes perfect sense for MSMQ due to the hard requirement of local input queues. But this is not the case with RabbitMQ, I am trying to understand how and when the NServiceBus distributor is relevant with…
Yakaas
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2
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1 answer

NServiceBus - Distributor Control Message Errors

We have bought a lot of licenses, done a lot of testing with a lot of promissing results and are on the brink of our first release :). But now we have hit a big bump on the road, meaning we might have to abandon the bus, if we cant explain and fix…
Christian Mikkelsen
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2
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0 answers

many Distributors to many workers

We're a licensed product using NServiceBus as the messaging framework in our federated system. Looking for opportunities for using it in a new feature- Is there a way to build a multi-site system (scaled-out), at which each site/node produces and…
Rami Prilutsky
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2
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0 answers

NServiceBus Distributor throughput license limitation or MSMQ performance hell?

Yesterday i requested additional budget to buy licenses for NSB (36-80 cores) after some very promising testing with the distributor. It should be mentioned that we are currently using the distributor to solve a plumbing problem and not yet for real…
Christian Mikkelsen
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2
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1 answer

NServiceBus F5 load balancing Subscribers without using a distributor

We are looking to use our F5's to load balance MSMQ messages without using a distributor (our windows boxes are not currently clustered). Using DB subscription storage & publishing to a VIP, would 3 subscribers register with the publisher? (ie the…
Chris McKelt
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