Apache CloudStack is open source software designed to deploy and manage large networks of virtual machines, as a highly available, highly scalable Infrastructure as a Service (IaaS) cloud computing platform. CloudStack is used by a number of service providers to offer public cloud services, and by many companies to provide an on-premises (private) cloud offering, …
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Galera http://codership.com/products/postgresql_galera PingOne https://www.pingidentity.com/blogs/pingone/2013/02/Why-PingOnes-heart-doesnt-skip-a-beat-MySQL-Galera.html SeveralNines http://www.severalnines.com/clustercontrol-mysql-galera-tutorial
The following database systems are now being categorised as NewSQL, this basically means they are traditional SQL, ACID compliant databases, but are built with the underlying philosophies that allow NoSQL databases to scale horizontally. MariaDB Cluster MariaDB Cluster, this is basically MariaDB with the Galera Cluster Manager. A good writeup of a conversion from MySQL+MMM …
TransLattice Elastic Database 2.5 has PostgreSQL 9.0 as its foundation, and the upper levels of the database management system look and smell like normal Postgres. But the underlying guts of the database, including the locking mechanisms and data storage methods, have been completely replaced with a new set of code. This new software can create …
With Galera, transactions are confirmed across all nodes before they are committed. If a transaction fails on a node, that node is immediately removed from the cluster. In other words, Galera replication is synchronous. You never lose a transaction – there is no lag (and Galera’s row-based replication is around 5x faster). Galera Cluster is …
Turnigy D2836/9 950KV Brushless Outrunner Motor.
timols/java-gitlab-api.
In statistics, a moving average (rolling average or running average) is a calculation to analyze data points by creating a series of averages of different subsets of the full data set. Is also called a moving mean (MM)[1] or rolling mean and is a type of finite impulse response filter. Variations include: simple, and cumulative, …
Log4j 2: Performance close to insane | Christian Grobmeier Solutions.