We are currently building at AFRICASYS a mobile platform application to solve problem around drugs accessibility for population and one of the major requirements at performance level was expressed as:
« The platform MUST be able to handle 100.000 users requests per minute ». Now that the development as reached the 1st milestone, the team has to prove that the application can actually take that load…. Here comes
Some times for performance, availability or scalability reasons, we may need to rewrite an application that was previously working with an SQL database to fit a NoSQL usage or even hybrid one: a part of data will remain relational and the other part not relational
This weekend a friend of mine, owner of a web site dev-hosting company told me about cPanel regular emails alerts regarding recurrent SSH failed login attempts on one of his customers servers from few IPs located in 3 countries.
He asked me about a way to block certain countries via iptables. I wrote something that did the trick Lire la suite →
Telephony and IT integration/coupling is surely something that can bring power or add values in some businesses (Customers Services, Hotlines, Contact Centers, Ordering lines, CRMs, Banks, Political Campaigns, Marketing, Leads Generations/Validations…)
Asterisk being the most open source IPBX used so far, is part of many architectures: small or big, single or clustered…
Here is how Asterisk-JMSConnector fits inside this picture….
To summary this was about deploying a newer version of the same app within the same tomcat container keeping the previous WAR serving the HTTP requests until the new version is successfully deployed to take over the next users’ requests.
Today the target is the same: avoiding to take an application off-line during an upgrade for the happiness of end users 🙂 but through one of Amazon Web Services feature: Elastic Load Balancer! Lire la suite →