Before you answer this I have never developed anything popular enough to attain high server loads. Treat me as (sigh) an alien that has just landed on the planet, albeit one that knows PHP and a fe...

I have a Node application running on AWS. When moving into production, there is a very high chance that it will get a very high number of requests. I'm planning to host it using AWS ECS and there w...

What I'm trying to do is to update a simple div to say "Processing..." before executing a CPU-intensive script (it takes 3-12 seconds to run, no AJAX) then update the div to say "Finished!" when do...

I'm trying to understand the following scenario: I have a website with nginx in front (serving with SSL, config see below) requests to the Django application are handled by gunicorn (0.18, config...

I would like to clarify how php-fpm manages workers with dynamic process manager. Let's assume we have following config: pm = dynamic pm.max_children = 100 pm.start_servers = 30 pm.min_spare_serv...

We have a client server app, 1 server, about 10 clients. They communicate via tcp sockets using custom queries. The system had been running smooth for many months, but at some point, after the dai...

How to plan resources (I suspect, elasticsearch instances) according to load: With load I mean ≈500K events/min, each containing 8-10 fields. What are the configuration knobs I should turn? I'm ...

I am using a simple redis server setup to store some values in my PHP application. Yesterday I installed phpredis module to use redis as PHP Session backend, which increased request rate on redis D...

We have a big EC2 instance with 32 cores, currently running Nginx, Tornado and Redis, serving on average 5K requests per second. Everything seems to work fine, but the CPU load already reaching 70%...

We have a web-based game (SignalR for communication), our workload will be: 5,000 - 20,000 concurrent client with 0.5 - 2 messages/client/second ~= 10-40k messages/secs with the following serve...

As a part of my research I'm writing an high-load TCP/IP echo server in Java. I want to serve about 3-4k of clients and see the maximum possible messages per second that I can squeeze out of it. Me...

We try to deploy APC user-cache in a high load environment as local 2nd-tier cache on each server for our central caching service (redis), for caching database queries with rarely changing results,...

I am making a high-load web statistics system through embedding <img> tag to site. The thing I want to do is: nginx gets request for an image from some host it gives as answer to host littl...

I have a website with very high load and keeping my test app under a hidden iframe to make sure that the target framework is a good choice for my use case. First tried SignalR test app and th...

I'm looking to create a high-traffic chat website, possibly with video streaming with some image manipulation happening on the server. Scanning over the Channel API (http://code.google.com/appeng...

How does digg or any other high-traffic website store user sessions? What do they use for storing the user sessions? File system, DB (which one?), memcache or both? Let's imagine a simple situatio...

I'm the webmaster for a major US university. We have a great deal of requests on our website, which I've built and been in charge of for the last 7 years or so. I've been building ever-more-complex...

I need to create specialized HTTP server, for this I plan to use epoll sycall, but I want to utilize multiple processors/cores and I can't come up with architecture solution. ATM my idea is follown...

For a website like reddit with lots of up/down votes and lots of comments per topic what should I go with? Lighttpd/Php or Lighttpd/CherryPy/Genshi/SQLAlchemy? and for database what would scale b...