0
votes
0answers
88 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
votes
3answers
216 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
votes
1answer
126 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 ...
2
votes
1answer
161 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 ...
7
votes
3answers
841 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 ...
1
vote
3answers
231 views

Which is easier scaled - LAMP, or LAP + MySQL on seperate VM's?

Which is easier to scale later on - 1 server with a full LAMP stack directly on the OS, or 1 server running VMWare Server 2 with 2 VM's - one running apache and PHP, and the other MySQL. The ...
0
votes
2answers
298 views

Troubleshooting/Scaling massive load issues in a LAMP stack?

We're running a LAMP stack (Perl, MySQL) and have recently experienced roughly a tripling of our database load due to increased usage and shifting user behavior... which has overloaded our system. ...