availability

JIRA - Resource Availability and Utilization Tracking - Across multiple projects

Was wondering if anyone knows of a plugin for JIRA that would provide a consistent view on a daily / weekly / Monthly / etc. basis for People / Resource Tracking and forecasting of resource availability - especially if resource could be used on multiple "projects" potentially. Current Tasks assigned with duration and period of effort F...

redis: Handling failover?

Hi everybody, Redis really seems like a great product with the built in replication and the amazing speed. After testing it out, it feels definitely like the 2010 replacement of memcached. However, since when normally using memcached, a consistent hashing is being used to evenly spread out the data across the servers in a pool. If one ...

Health check for applictaion

Hi, I wish to know what are the methods exist to check the Health of a process. Considering that on a system 10000 process are running and you have to make sure that in case any of these process goes down we need to make the process UP. ...

NetworkAvailability check returns false yet the phone is online

I have am having some issues with getting consistent results when checking if the network is available or not. I use this code snippet inside a class AppPreferences to check the availability of a network. /** * @return the networkAvailable */ public boolean isNetworkAvailable() { connectionManager = (ConnectivityM...

Is there an alternative method to check the network availability in iphone instead of service reachability?

I'm creating a simple iphone application and there I need to check the internet availability. To check this most the forums recommended to use the reachability class. Based on that I have implemented the following code. struct sockaddr_in zeroAddress; bzero(&zeroAddress, sizeof(zeroAddress)); zeroAddress.sin_len = sizeof(zeroAddress...

Choosing noSQL - availability priorited

Hi everybody, We have thought a bit about running a noSQL database for our next project. However, we're not sure about which platform that will give us the best possible availability and has the best built-in replication features/functions to provide this - with the least headache. Right now, Cassandra appears as the best candidate, bu...

How to build an available web application

Hi everybody, Let's say that we are about to build an web application where high availability is top focus. Our customers are companies, so downtime are equal to loss of revenue for everyone involved. To sum it up, we need to be online at all times to keep everyone happy. So, from a very basic perspective, what techniques should we be...

reliability: Master/slave pattern is doomed?

More and more of the noSQL databases that are in the spotlight uses the master/slave pattern to provide "availability", but what it does (at least from my perspective) is creating the weak link in a chain that will break anytime. - Master goes down, slaves stops to function. It's a great way to handle big amounts of data and to even out...

Scalable API server, with Restlet?

We're planning a new API server that will mainly serve JSON responses, with a RESTful interface. We're concerned about scale and availability. Are we on the right track using Restlet with Jetty (or another connector)? One question we're asking is, is there anything in the Java world like Phusion Passenger? For example, a pre-built solut...

Select available rooms between two dates

I have above mysql table with available dates and prices. Second table includes room details. How can I join two tables to get available rooms between two dates and not get duplicate content. ...

Search for Room Availability in Bookings [PHP/MySQL]

Hi, I am programming a Hotel Reservation module. Now I have to connect an existing application to get the available rooms on a given range of dates. Please help me in this. I am here posting the DB schema of the existing app (where the rooms and bookings info were stored). rooms: id room_type room_count people hotel_id bookings: i...