-2
votes
2answers
147 views

How many websites per virtual machine? [duplicate]

We are currently hosting about 10 of our own various websites on a virtualised host. Each website is hosted by its own virtual machine with its own apache. Some of the sites connect to a shared ...
-4
votes
1answer
311 views

How to handle 1M websocket connections (Nginx/HAProxy/Amazon/Google) [duplicate]

What nginx or haproxy setup is suggested for target 100K concurrent websocket connections? What I think, a single nginx will not be able to take such traffic as well as concurrent connections. How ...
0
votes
1answer
188 views

Resource requirements for cloud OpenVPN server [duplicate]

I am building a proxy server for a client of mine. My platform of choice is Amazon EC2 with Arch Linux and Squid running. For the encryption part I have chosen OpenVPN for simplicity and large ...
0
votes
2answers
233 views

How to benchmark maxCache 3.0 with SSDs? [duplicate]

We're a software development company and previously outsourced the HW side of business but now we're looking into building our own private cloud. We recently purchased a few servers, one of which is ...
-1
votes
1answer
232 views

Server optimization for long running script [duplicate]

I have a system running on a remote VPS whose main feature is a long running script (it could run for about 10 hours, depending on the user input). The following are some of its features: Database ...
-1
votes
2answers
218 views

SQL 2012 Server Database Transaction Replication performance issue [duplicate]

We have configured SQL 2012 Server Database Transaction Replication for our client's .NET Web application to distribute SQL transaction and reporting on different SQL servers. We had implemented ...
1
vote
1answer
168 views

Exchange Server Sizing [duplicate]

Possible Duplicate: Can you help me with my capacity planning? I've been asked to put together hardware requirements for an Microsoft Exchange 2010 installation for 400 users. Can someone ...
-2
votes
3answers
129 views

Stop server crash [duplicate]

I run my python scripts and Scrapy framework for web scraping project on my Ubuntu 12.04 precise server. These scripts run whole day. This project is under developing/testing stage. So i dont know ...
0
votes
2answers
77 views

App got press, then servers got owned. I added 8 more servers, STILL too slow [duplicate]

Our new app has received a lot of press today, and is getting thousands of new users every hour... but it has become so slow that it's unusable. We're using Rails 3 patched to latest, ubuntu, ...
0
votes
1answer
210 views

Optimize nginx/php-fpm/postrgresql [duplicate]

I've got: a CPU E5-2407 (quadcore Xeon 2.2GHz) 16GB of memory DDR3 RAID1 Intel520 SSD 240GB My homemade applications are using a permanent PG connection on 7 pages (one called by customers as API, ...
-3
votes
3answers
344 views

Hosting solution for startup social app? [duplicate]

Possible Duplicate: Can you help me with my capacity planning? We are in a process of building up a social app. Initially we will have only a few thousands of users than will grow with ...
1
vote
1answer
342 views

Keepalived + Haproxy performance, apache or nginx? [duplicate]

I have a question about Keepalived + Haproxy. At work I am assigned to deploy a redundant web server with Keepalived and Haproxy. Our setup at the moment is as follows: Apache (as load balancer) + ...
0
votes
2answers
196 views

load balancer topology [duplicate]

Possible Duplicate: Can you help me with my capacity planning? I am setting up a Load balancer with two backend webservers and one backend mysql server. Is it a good idea to have dedicated ...
0
votes
2answers
196 views

Recommended 3x SSD Raid for mysql database [duplicate]

I've been configuring dedicated MySQL server (linux) with 3x 300 GB SSD in SoftRaid. I'm trying to decide which Raid to use to get best performance. I'm expecting this database to be a read-heavy (90% ...
0
votes
1answer
113 views

Calculating Cloud Service Costs [duplicate]

Possible Duplicate: Can you help me with my capacity planning? I would like to scale a web application to the Cloud and wanted to know if anyone had any experience calculating costs and ...

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