HA-JDBC is a JDBC proxy that enables a Java application to transparently access a cluster of identical databases through the JDBC API. HA-JDBC has the following advantages over normal JDBC: High-Availability The database cluster is available to service requests so long as at least one database node is active. Fault Tolerance Because HA-JDBC operates via…
Category: IT Support
Free Web Load Balance Solution
When multiple web servers are present in a server group, the HTTP traffic needs to be evenly distributed among the servers. In the process, these servers must appear as one web server to the web client, for example an internet browser. The load balancing mechanism used for spreading HTTP requests is known as IP Spraying….
What are IOPS & how to calculate?
IOPS (Input/Output Operations Per Second, pronounced eye-ops) is a common performance measurement used to benchmark computer storage devices like hard disk drives (HDD), solid state drives (SSD), and storage area networks (SAN) How many of you have seen storage vendors extolling the virtues of their storage by using large IOPS numbers to illustrate a performance…