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Published on 2010-05-16T10:16:24Z
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2010/05/16
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What is difference of developing a website in MVC and 3-Tier or N-tier architecture?
Which one is better? What are pros and cons?
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I have been trying to resolve my issue of spiking cpu caused by php-fpm processes. I've reduced the php-fpm config settings to:
pm = ondemand
pm.max_children = 12
pm.start_servers = 2
pm.min_spare_servers = 2
pm.max_spare_servers = 10
pm.max_requests = 500
php_admin_value[memory_limit] = 128M
Problem…
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[root@ip ~]# yum install php-pear*
Reducing CentOS-5 Testing to included packages only
Finished
Setting up Install Process
Package 1:php-pear-1.8.1-2.el5.centos.noarch already installed and latest versio …
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I am taking over an application server and discover that it contain the following settings:
AddType text/html php
Although it works, but my understanding is that it should set as following:
AddType application/x-httpd-php php .php
What are the key differences between the two settings?…
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Hello.
I have a server with VBulletin forum (working under Apache 2.2, CentOS). The default settings for it in .htaccess are as follows:
RewriteEngine on
RewriteCond %{HTTP_HOST} ^gsmforum\.ru
RewriteRule (.*) http://www.gsmforum.ru/$1 [R=301,L]
# If you are having problems or are using VirtualDocumentRoot…
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I have installed memcached fine, and now I will need to install PECL extension memcache. Im running RedHat x86_64 es5. The installation gives me this:
downloading memcache-2.2.6.tgz ...
Starting to download memcache-2.2.6.tgz (35,957 bytes)
..........done: 35,957 bytes
11 source files, building
running:…
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The three-tier client/server model is a network architectural approach currently used in modern networking. This approach divides a network in to three distinct components.
Three-Tier Client/Server Model Components
Client Component
Server Component
Database Component
The Client Component…
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I am developing a web based application whose primary objective is to fetch data from the database, display it on the UI, take in user inputs and write them back to the database. The application is not going to be doing any industrial strength algorithm crunching, but will be receiving a very high…
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I was attempting to find a best practice for modeling the tiers in a Java EE application yesterday and couldn't come up with anything current. In the past, say java 1.4, it was four tiers:
Presentation Tier
Web Tier
Business Logic Tier
DAL (Data Access Layer ) which I always considered a tier and…
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Imagine I have an n-tier architecture in an auto-scaled cloud environment with say:
a load balancer in a failover pair
reverse proxy tier
web app tier
db tier
Each tier needs to connect to the instances in the tier below.
What are the standard ways of connecting tiers to make them resilient to…
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Recently the question came up from a close friend of mine, "will my PhD help me attain a higher income in the north west?" I had to tell him, that it might get him a little more, but it won't get him in the top income brackets for the occupation. Another time, a few days later, someone else asked…
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