The scaling tag has no wiki summary.
0
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1answer
33 views
Scaling Rails 2.x application with more app servers
I'm thinking of a setup for our rather popular website to be able to scale on the CPU side of things. We are running quite a few CPU intensive image conversion jobs at random times (user input) and ...
1
vote
1answer
773 views
How to horizontally scale SSL termination behind HAProxy load balancing?
I've been looking around and no one seems to be trying to scale SSL termination the way I am and I'm curious as to why my approach seems so uncommon.
Here's what I want to do followed by why:
...
1
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0answers
83 views
Is it time to add a server [duplicate]
This question is about figuring out if horizontal scaling by adding servers is the next step or not. Here is the context:
About 1400 concurrent users at peak time (between 11:00am-4:00pm) in Google ...
0
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0answers
48 views
Optimal server setup for Sintra + Redis Datastore
I have fairly light-weight Sinatra application that uses Redis as its database. The app was set up this way because the app only needs to keep track of real-time information. It does not need to store ...
2
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0answers
24 views
scaling website to perform equally fast worldwide [closed]
Our website is growing and we get more and more customers all around the world.
We use Nginx, PHP and MySQL
Our servers are in UK, so it is fast in Europe, but the further we got away from servers - ...
2
votes
1answer
62 views
MongoDB PHP EC2 Setup Configuration
I am new to web development and server set up. I am looking for some advice or a link to a tutorial on setting up a production system up. Right now, I have a server (Ubuntu, Apache, MongoDB, and ...
1
vote
3answers
117 views
How to make a vm scale when demand for resource increases
i am having a server with 16 virtual core and 24G RAM,using Xen virtualization and ubuntu as dom0 Created 4 VMs (in para mode),each with different applications.
CPU Load vary on each vm,somtimes ...
0
votes
1answer
125 views
TCP Windows scaling on Windows 2008 server
If found only this article on windows 2008 server or Windows 7 TCP Windows scaling.
http://8help.osu.edu/3253.html
Is there any other information that I can use to change registry that would modify ...
0
votes
4answers
62 views
What would be a quick fix in case of server downtime due to sudden high traffic?
Let's consider a scenario like below:
A small web blog build based on LAMP stack and deployed on a shared hosting.
Suddenly it becomes popular in one day and it gets million hits per day.
Since the ...
1
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3answers
58 views
Localized database for customers
The company I work for, has just moved to AWS - and currently they have one very large central database with the instance currently located in America.
However, one of their clients has requested ...
0
votes
0answers
296 views
How to configure nginx & php-fpm for high volume site
My site is having some performance issues. Really it is growing quicker than I had expected, and is now getting into server configuration territories beyond my knowledge. I will explain the current ...
-5
votes
1answer
97 views
Restart the process if it reaches 100% [closed]
I have amazon ec2 ubuntu server instance.I am running my python -django application with postgres database.It is medium instance.also I have the big datas in my db
Daily My instance reaching 100% cpu ...
0
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0answers
52 views
SOA Apprach for IIS .NET Web Application
I have an application from a vendor which is currently installed has IIS, Web App and SQL all on the same server for UAT reasons.
Now this particular vendor has near to no documentation and advises ...
1
vote
3answers
1k views
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 ...
0
votes
2answers
274 views
How to Plan for scale on my rackspace cloud server
I currently have a couple of cloud servers on Rackspace
For application NGINX+PHP+Memcached+APC 2GB instance
For Mysql Database 1GB instance
Our site at the moment is not very heavy in terms of ...
0
votes
1answer
928 views
TCP Window Scaling. TCP scale factor not supported due to dynamic TCP Frame Size on windows 2008 server
PROBLEM
Calling an asp webservice hosted by an ISP from our WCF service hosted on Windows 2008 Server is showing timeout/no response from webservice.
DIAGNOSIS
Using windows network monitor ...
0
votes
2answers
128 views
ftp.example.com pointing to many different servers
I wanted to setup something like this:
ftp.example.com
which points to different ftp servers. For example:
111.111.111.1
111.111.111.2
111.111.111.3
111.111.111.4
When someone connects ...
0
votes
3answers
119 views
What is the middleware in a typical Debian LAMP stack? [closed]
I am researching on the topic of scaling, and I discovered something called the middleware which is basically handling the requests, correct? If that is true, what is the middleware in a LAMP stack? ...
1
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0answers
53 views
What kind of things should I check acting as a DevOp of this app? [closed]
I'm working in the early stages of development of a Foursquare mashup. We get some information using the 4SQ API, but store our own "checkins" in our infrastructure (kind of the 4SQ "Checkin" but ...
1
vote
1answer
96 views
Mongodb in a single server then scaling
If I start with Mongodb on a single server, but foresee that I need to scale out, should I configure it in any specific way? I guess I am looking for tips from people who have gone down this route.
-1
votes
1answer
96 views
Book on Modern System Architecture for Web applications [closed]
I'm looking for some reading material on architecting and system admin tools etc for building web applications from small to large detailing the recommended and appropriate steps as you grow?
In my ...
0
votes
3answers
100 views
How do multiple servers work in terms of databases? [closed]
I don't know an awful lot about servers, but I do know that there are many ways you can improve the performance of running a web application, in terms of hardware.
For example, starting with a single ...
0
votes
1answer
86 views
Amazon AWS tutorial - Cannot redirect to service provided destination - try using AWS keys for authentication or check destination URL
I'm following the Amazon AWS tutorial and I have reached Step 6: Launch Amazon EC2 Instances Using Auto Scaling
http://docs.amazonwebservices.com/gettingstarted/latest/wah-linux/
But when I run the ...
7
votes
2answers
508 views
Large VPN network (~600 servers) with OpenVPN
I'm doing a preliminary study for a contract to build a VPN network between ~600 remote servers running Linux CentOS 6 (+ their 600 private LANs). The network is supposed to be star-based, so that ...
1
vote
1answer
60 views
File storage for replicated front-end web servers?
We are a company running a website with ~800k unique visitors each month with a constant growth rate of 35-40%. We have just gone from having one server to a dedicated mysql database and an ...
0
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3answers
287 views
Scale out or scale up - Rackspace cloud servers
I have a small webserver running a couple of Django python apps, MySQL, and a wordpress multisite instance. It all runs on Apache with mpm worker, fastcgi and mod_wsgi + memcached
The server is ...
2
votes
1answer
130 views
Scaling advice LAMP + Load balancers
My current setup:
1 Http Load Balancer
3 Apache Frontend Server
1 Mysql Load Balancer (Balancing reads across all three, writes go to master only)
3 Mysql Database Server (1 master, 2 slave)
All ...
4
votes
2answers
938 views
ow to allow elastic load balancer through port 80 in security groups
How to allow elastic load balancer through port 80 in security groups. I want to temporarily block port 80 for the outside world, but want the load balancer to pass through the firewall (via security ...
1
vote
2answers
409 views
Small vs Medium EC2 instances for horizontal scaling with Elastic Load Balancer
I am having some debating around scaling Amazon EC2 instances. I have developed my app using ASP.NET, so I have to choose to go with a Windows EC2 instance. MySQL and images are served from other ...
1
vote
1answer
136 views
Scaling Amazon EC2 instanced when traffic to my app rises
I need your help about scalability on Amazon EC2 instanced. I have developed a web application using asp.net. I have decided that for start, I want to deploy it on a Medium High-CPU Windows Server ...
3
votes
4answers
2k views
Load balanced Drupal servers: a good way to share data among the servers?
I'm trying to get an overview of how i would go about creating a load balanced web server setup. Setting up the actual load balancer and adding two or more web servers seems fair enough. However, I ...
4
votes
1answer
139 views
Sharding MongoDB internationally with data stored based on location
We're looking to set up data centers globally and switch to a NoSQL database like MongoDB to support having our data distributed over these data centers (and as a pleasant side effect, introduce more ...
3
votes
2answers
265 views
Memcached scaling strategy
Currently I am running a production environment with 4 dedicated memcached servers, each of them having 48Gb of RAM (42 dedicated to memcache). Right now they are doing fine, but traffic and content ...
-2
votes
1answer
303 views
How many servers or what specs do I need to handle 100000 users? [closed]
I was just wondering how many servers or what specs should have my server (or servers) if I want to handle 100000 users considering that each user will login every three days. (10 times a month)
...
2
votes
1answer
249 views
Scaling by moving Database to Amazon RDS
We have a situation with an Application which is hosted on a dedicated server where we are anticipating a potential surge in traffic. The major bottleneck on the app is MySQL which is heavy on read ...
8
votes
1answer
2k views
Recommendations for Elastic Search hardware [closed]
Are there any good guides for hardware level to support ElasticSearch? Are recommendations for Lucene or Solr a good place to start? We're looking at rolling out a deployment starting with
27 ...
0
votes
1answer
138 views
AWS scaling within cluster, via scripts or some other way
It seems that a lot of people are using AWS nowadays, and I'm really hoping someone can give me a pointer on how, and if, I could design a scalable system within EC2.
I tried searching, but all I can ...
6
votes
2answers
504 views
The best way to share a file uploads directory across horizontally scaling web servers
I'm currently trying to spec up a horizontally scalable cluster for a drupal based web app, that looks something like the colorful diagram below:
The load balancer implements sticky sessions, so a ...
0
votes
1answer
194 views
Scale a highly transactional SQL server
I’m looking to upgrade one of my site servers. The site currently executes around 20m sql queries a day and this is growing quite fast. Right now IO throughput is a real issue, so my idea is to move ...
1
vote
2answers
109 views
Best resources to learn about Best Practice Scaling of IT Architecture
Looking for resources to learn the best practices and basics of scaling a backend infrastructure for an application or a web app. I am interested in Amazon Web Services and really enjoy architecting ...
0
votes
3answers
210 views
Microsoft Exchange - does it have serious scaling limitations? [closed]
My corporate email has a quota of 500Mb, which I am constantly hitting.
I recently requested to have this increased but it was refused citing the following two reasons:
We have 400 users. If we ...
0
votes
4answers
4k views
How many users can Apache Handle?
I have a static site and an 8GB RAM Server. The site would have just some javascript and static content. I need to handle about 20,000 concurrent visitors. Will my 8GB Server able to handle this ? ...
2
votes
3answers
847 views
MySQL Hardware Specs
Currently we have a database that is 35gb in size and is running on a Virtual Machine with 2GB of RAM. The database is expected to increase at a rate of 3 to 4Gb per day continuously.
What are the ...
2
votes
1answer
367 views
How to properly loadbalance separate fastcgi servers
We are running bigger deployment with multiple servers running Django applications under apache2 and mod_wsgi.
We are considering switch to apache2 + fastcgi and moving fcgi processes to separate ...
2
votes
6answers
995 views
How can I have 2 database servers for my website?
I have a site that has heavy traffic and my database server (mysql) is getting heavy traffic at peek hours. Instead of upgrading to a better server, I am thinking of having 2 database servers working ...
0
votes
2answers
408 views
What server hardware are people using for replicated mongodb servers?
Since mongodb, couchdb are for horizontal scaling and have inbuilt support for replication, what hardware is being used for them ?
Specifically looking for hardware for replicable mongodb instances.
...
1
vote
2answers
329 views
Scaling MySQL Database
What are the methods or tools used to scale mysql database. We have mysql database that is increasing in size daily. We just allotted a fix hard drive size on it so my concern is that we will need to ...
0
votes
1answer
417 views
How to allow users to monitor performance of a set of servers without touching every server?
I'm not a sysadmin, so this may be trivial.
We have about 20 Windows Server 2008 R2 VMs we want to monitor centrally using Perfmon. The only issue is that the user account that's going to be doing ...
0
votes
1answer
80 views
live coverage setup .. need advice
i plan to live blog from a show and expect atleast 5-10K users on the live blog
I have setup 2 servers
live.domain.com with wordpress running apache and nginx proxy to serve images
(1024MB RAM ...
8
votes
2answers
7k views
Tips for maximizing Nginx requests/sec?
I'm building an analytics package, and project requirements state that I need to support 1 billion hits per day. Yep, "billion". In other words, no less than 12,000 hits per second sustained, and ...
