Server Fault Stack Exchange
Server Fault Stack Exchange

Questions tagged [scaling]

142 questions
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votes
4 answers

Maximizing TCP connections on HAProxy load balancer

I am currently using HAProxy in order to load balance tcp connections from clients to my Erlang app server. The connection is persistent, which means I'm limited to roughly 64K clients on an optimized server (I'm currently running HAProxy on an…
imaginative
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5 answers

HAProxy and "sharding"

I am cross posting this from stack overflow since it was suggested I might get a better answer here ... I was wondering if anyone has used HAProxy for sharding. Specifically, I would like to be able use a cookie I define w/a identifier and have any…
Manish V
4
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3 answers

First steps in scaling servers up for a Ruby on Rails application

I'm running a RoR web application on a dual core AMD Athlon 4450e server w/ 8GB RAM and Ubuntu. It's doing alright, getting spikes up to 320 dynamic requests per minute, it's also handling all the assets, including serving up some larger video…
Tim Harding
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2 answers

horizontal scaling and load-balancing for PostgreSQL with ProxySQL

I have a PostgreSQL DB running in Google Cloud SQL that I need to scale horizontally. Cloud SQL makes it easy to add read-only replicas, but does nothing to help with load-balancing traffic to the replicas. I'm looking for something that will help…
Toby 1 Kenobi
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4 answers

How to choose size for a cloud server (rackspace)

We're going to test the rackspace cloud next week to see how it's working with our web app. It's a LAMP environment with a lot of MySQL databases. How do I choose the "right" server size? On Rackspace I can choose slices with the memory of 256,…
Emil
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2 answers

Virtualization as a way for scaling

I'm asking this question to find out what are you best practices to prepare your system for scaling, I know that basically you don't have to over optimized before really having to, and that's the best thing would be to monitor almost any aspects of…
Adam Benayoun
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Active Directory for web authentication: scale to 1M users?

I'm interested in how well Active Directory would fare as the authentication backend for a website, scaled for ~1 million users. Do you have experience with AD in web environments of this scale, and if so what level of hardware would we need?…
Parand
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2 answers

RT database scaling

Recently I heard someone suggest that RT request tracker may have scalability issues due to its non-normalized database (someone at a Perl meeting I went to referred to it in a positive light as hyper-normalized, but I think he may have…
rplevy
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1 answer

Firewall as a guest VM?

Out of curiosity, would it be pointless/wasteful/silly to put a firewall as a VM guest (regardless of VM host - ESX, Xen, Hyper-V, etc. etc.) and redirect all traffic from other VM guests through the firewall VM guest? I'm not sure if other…
osij2is
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Scaling up / reorganising VPS infrastructure for SMB

I work for a digital agency, where we design, build and host websites for our (local) clients. Currently, we have approx. 80-90 sites scattered on 11 VPS instances. 99% of those sites is WordPress and 80% is (very-) low traffic. We have a few that…
Tomaski
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Can Kubernetes prioritize nodes when scaling?

I have a Kubernetes cluster on AWS set up with KubeAWS. We're using some sensitive third-party integrations that require white-listed IP addresses in their firewall. Now, what I've done is that I've registered the IP addresses of the nodes with the…
Helge Talvik Söderström
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1 answer

How to scale horizontally a Parse Server?

My current setup is: 1 Parse Server - 2.6.3 1 MongoDB Server - 3.4.9 Both running on Ubuntu VMs. In a few weeks, we are expecting our user base to grow significantly! We are currently using 2 VMs on Azure... 1 as a Parse Server and the other as a…
Sotiris Kaniras
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Why is my AWS instances suddenly becoming irresponsive reporting high "stolen" CPU

The setup I have a bunch of t2.small EC2 instances running hosting the image processing library called thumbor for simple on-the-fly image resizing. Originals are loaded from S3. In front of the instances I have an EC load balancer. I have New Relic…
Niels Kristian
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How to scale down for low memory server?

I'm having problem with one of my Rails applications, that runs on 365MB VPS, which seems to be not very much. When there are more than 3-5 users at the same time it runs out of memory and starts to use swap, which is f****** slow. As I look into…
Jakub Arnold
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Thought about using my server hardware effectively

I will receive my new server hardware in some days, and of course I am already planning on how to use it the most effective way. My current thoughts are about scaling the web and database server on a single dedicated server. I had the idea to build…
Niklas S.
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