The scalability tag has no wiki summary.
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0answers
10 views
MySQL tables/databases into different disks [migrated]
I am aware that there is a possibility to have a single database server with many tables/databases, and you can separate some of those tables/databases into separate disks.
Lets say you have 5 ...
4
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2answers
89 views
When you exhaust a 1 Gpbs connection to your main haproxy, how do you scale out?
If you exhaust your public network connection (say 1 Gbps) to your haproxy server that proxies requests to your backend servers, what options do you have to scale it out?
Since all request traffic ...
2
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1answer
30 views
Availability & Scaling : Three Tier or Two Tier
I began working on a three -Physical- tier website (UI:MVC / Application:REST / DB), I've always considered that three tier is more scalable than two (taboo for high traffic websites), but lately i ...
3
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2answers
57 views
Scalable way to add users in Postfix without creating new unix/linux accounts?
What is the most scalable way to add new users in postfix? I don't necessarily want to create a new user in /etc/shadow just for email. I know I can use aliases but this does not solve the issue of ...
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0answers
58 views
unable to set up the ec2 ubuntu instance for auto scaling
I went through enough number of blog post which actually guides how to set up the auto scaling platform. I am using the Ubuntu ec2 32 bit AMI. From which I am trying to scale the instances, I am ...
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2answers
39 views
Unable to add the environmental variables and run “as-cmd”
I am running micro instance, now need to horizontally scale. I mean I am experimenting with a micro instance. I followed the instructions which is given in this video, but when I run as-cmd I get an ...
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3answers
91 views
Why is static page response time going up with increased concurrent requests
I don't understand the performance I'm seeing from apache. I would expect that more concurrent apache requests would perform better than fewer, up to a point, but beyond 3 concurrent requests, overall ...
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2answers
94 views
What is the reason for scaling Amazon EC2 by instance count rather than instance parameters?
We are looking into moving our website to Amazon EC2.
The basic idea behind Amazon's cloud seems to be: "Need more RAM? You got it. Hard disk? Sure, here you go." Etc.
But Amazon seems to be pushing ...
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2answers
160 views
Amazon EC2 AutoScaling WordPress
I am currently looking to autoscale my wordpress installation on Amazon EC2.
Everything is working, I can bundle my EBS instance, put some policy and then amazon run automatically instances behind my ...
2
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1answer
105 views
Scalability 1-way. What does it mean?
I have read "Scalability: 1-way" in the specifications of a server. What does it means?
The server is :
HP ProLiant ML110 G6 TV X3430 2.40GHz 4-core 1P 1GB-U Non-hot Plug 250GB SATA LFF 300W PS
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3answers
65 views
Is it possible to rate limit based on host headers? i.e. not just on ip address
I have a web service endpoint that I am building where people will post an xml file to, and it will really get pounded with over 1K requests per second.
Now they are sending in these xml files via ...
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2answers
97 views
How wordpress.com do scalability
Out of curiosity, I wanted to know, how Wordpress.com scale their architecture, specifically:
how they handle sub-domains.
I believe they have millions of subdomains.CMIIW. How do they scale their ...
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1answer
104 views
How scalable is mySQL server? [closed]
I am debating on whether I should have three separate wordpress installs with three separate databases, or whether it would be okay to use multisite (which only uses one central db).
I am concerned ...
0
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1answer
76 views
Memcached server: Is it a good practice to point two server urls to the same server?
I have a system where there are connections to a memcache server from several different files and servers.
I would like to stay with one server but keep the option of increasing the number of ...
0
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1answer
108 views
nginx / node.js / postgres, scalability problems?
I have an app running with:
one instance of nginx as the frontend (serving static file)
a cluster of node.js application for the backend (using cluster and expressjs modules)
one instance of ...
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2answers
70 views
Scalable Web Application Hardware Topology Best Practice
I'm working with an existing web application developed in Ruby with a MySQL back-end, but I think the generic hardware topology question will apply to a wide variety of server architectures.
I'm ...
2
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3answers
155 views
Scaling Out SQL Server 2008 R2
I am looking into the possibilities of how to scale out the sql server 2008R2. simply scaling up wont be enough.
"p2p replication" and "distributed partitioned views" look interesting, but both ...
2
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1answer
57 views
Suggested or Best practices for network architecture for ASP.net web application
Currently I have one server that runs an ASP.net web application (on IIS) and this is also running a SQL Server database.
I am getting more and more traffic and soon I will need to increase the ...
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2answers
200 views
Why should one use amazon-elb?
Amazon-elb is a scalability solution that works like a proxy to several instances of my amazon ec2 servers. I wonder if it would'nt be more effective to have a roundrobin DNS to resolve my name into a ...
1
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1answer
220 views
I need nodejs and mongodb to handle 5000 requests per second
As the title suggested, I need nodejs and mongodb to handle 5000 requests per second. Right off the bat that is. We'll grow to many times that eventually.
My initial thoughts are to put each on ...
1
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3answers
93 views
Database scalability with write-heavy application
I have a write-heavy application. The application is best compared to surveys - the customer creates custom questionares and this is saved to the database. Most of the requests are from their users ...
1
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1answer
88 views
Multiple AWS EC2 Instance with Single Database
Currently we are using One EC2 instance to run our Services. And we are planning to add one more instance to put our application Server. Is it better to put the database in separate instance and query ...
2
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1answer
267 views
Poor performance on Amazon RDS instance
I'm doing some load/stress testing on a PHP web application that is backed by a Small RDS database instance. When I hit the website with ~50 concurrent web requests, the RDS database just stops ...
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0answers
95 views
Mono Asp.Net Scale EC2 [closed]
Im a developer, with a startup. I'm looking to host my web site with Mono. SuseStudio looks like a nice option to build a Mono server. But what how I scale that using apache? And how I get sync my ...
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2answers
96 views
KVM on multiple servers
I'm using KVM for virtualization on a couple of Ubuntu servers but each physical server runs a bunch of VMs. Is there a way I can scale my VMs across physical servers? Does KVM support this? Is there ...
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1answer
44 views
Doubts about best choices for a webserver [closed]
I have this config.
Quad core i7 930 (x64)
6gb ram
WEBSITE architecture
php language for website
mysql and it is possible the use of cassandra
SSL protocol
three hundred thousand visits (daily)
...
3
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3answers
55 views
SQL Server 2008 Enterprise edition 64 bit scalability
I am currently running SQL Server 2008 64-bit Enterprise Edittion on a VM ware environment with 4 CPUs and 32GB RAM. I want to scale it up. Is there a limit on how many CPUs and RAM I can go up to?
I ...
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0answers
67 views
Browsers can't handle the real time updates my app is sending, slows everything waay down
Posted this a couple days ago, have made some more progress. Thanks for the help, this is delaying our launch and I'm under a lot of pressure.
UPDATE: I don't think it's the server side, I think ...
3
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2answers
445 views
Is Amazon EC2 for me?
I'm working on an image hosting website tailored to a particular niche. The website is made with Django. I'm currently planning to run it on Linode.
So far so good. The problem is: I will need to ...
0
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1answer
122 views
Scalability problem (Tornado). Can't figure it out, holding up launch
Thanks guys, any ideas/insight are appreciated b/c this is driving me crazy.
Problem: Only about 3 or 4 users can use the server simultaneously before app grinds to a halt.
Currently we see massive ...
0
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1answer
57 views
Utilizing two servers (LAMP)
I currently have my web app on a single cloud server. Been doing this for a few months now and I have EVERYTHING on this instance (app, cron scripts, mysql, svn, dev environment, etc).
The site is ...
0
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1answer
326 views
Setting up a Rails 2.3.x app on EC2 for easy scalability
I'm running a simple rails stack on a single dedicated machine. We're reaching our full capacity and have absolutely no setup for scaling, just one app on one machine. I did some research and came up ...
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2answers
146 views
Open source cloud computing with scalable virtual machines
I'm searching for open source software to create my own cloud computing environment, like Ubuntu UEC or Eucalyptus.
What I need is that each virtual machine can use resources from multiple nodes ...
2
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2answers
265 views
How to load balance > C100K?
Suppose that a hypotetical webapp keeps one connections per user (eg: chat app using comet, long pooling, etc...).
How can i load balance such thing to scale beyond the connection limit of a single ...
3
votes
1answer
287 views
Ideal server specs/software for mail, file, and database storage
I'm trying to figure out what the ideal set up would for a few servers.
1) Website
1) Mail server
1) Database server
1) file server
In this given scenario, say there is a site that will offer each ...
5
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6answers
766 views
What is a typical method to scale out a software load balancer?
I often see web app architectures with a SLB / reverse-proxy in front of a bunch of app servers.
What happens when the number of connections to the SLB requires too many resources for a single SLB to ...
0
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1answer
94 views
Approximately, how many writes can a EC2 large dedicated Mongo server handle?
Let's assume that it was only writes.
Each "document" inserted is less than 140 characters.
How many writes can this database handle?
0
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1answer
102 views
Can sql server scalable shared databases work with a vmware (ESX server) shared disc?
I've recently found out about sql server scalable shared database technology and I'd like to test it out in a vmware environment. Our production environment is SAN based but we don't have a test ...
3
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1answer
208 views
M-M or M-S replication of EBS volume across multiple EC2 instances
I would like to share EBS backed file system of size up to 20GB in 200K files across multiple EC2 instances. Master-master would be ideal, but I'd be happy with master-slave solution too.
I know that ...
0
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2answers
60 views
Push sub-database to master-database?
Say, I have a big database globalclients which is very very big.
Now, I divide this big database to 100 sub-databases, as:
chinaclients
japanclients
koreaclients
indiaclients
brazilclients
etc.
...
1
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2answers
81 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 ...
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0answers
57 views
MySQL replication for scalability
Consider the following hypothetical scenario: A Web application receives 25% write traffic and 75% read traffic. Given that this application can tolerate reads that slightly stale, an easy way to ...
0
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1answer
127 views
Too Many/A Lot of Public SSH Keys
A new thing I have been tasked with trying/exploring is setting up a server that will essentially have 200 to 300 people ssh'ing into a single user to run a task. They might only need to do it once a ...
3
votes
2answers
294 views
What are the best strategies for scaling up my web application to be able to cope with a large volume of users?
I want to get some advice / best practices for how to go about developing a strategy for scaling up my a web application. I waffle on a bit here and show my limited knowledge but want to fill in my ...
1
vote
1answer
60 views
Is it a good idea to separate the Database and the website files in 2 shared hosting?
Do you think If I did separate the db and the files will make it performs better? and is this easy thing to do? What if I upgrade later on to 2 VPS as well, can I do the same thing without affecting ...
2
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2answers
74 views
web app reaching emailing limits - what is the next step up?
Recently i have been working on a popular web app that currently has around 70k members and a lot of traffic, i migrated the site to a new extra large EC2 instance and it seems to be a massive ...
1
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1answer
183 views
COM+/Desktop Heap errors in IIS affecting sites at random?
We have a Win2K3 server that is hosting 30+ sites. Each site is configured to have its own unique application pool -- so that we can manually recycle specific sites if needed and not kill sessions ...
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4answers
150 views
IMAP scalability
I am creating a system which allows members to email content to it and have it instantly and automatically parsed.
I asked a question regarding using a custom SMTP server for intercepting mail. One ...
2
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2answers
119 views
Good Books About Scaling Up Databases/Servers/etc.? [closed]
I've applied for an internship at a startup company that expects its user base to grow by a large factor in a small amount of time, and so part of their project is to scale everything up so that ...
2
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1answer
300 views
IPSec software that can use multiple CPU cores
Can anyone recommend a good IPSec software that can use multiple CPU cores to achieve performance ~2Gbps on Linux dual-CPU quad-core E5620 Xeon setup (total 16HT cores)?
I have tried OpenSwan and ...
