As anticipated, the Linux giant Red Hat has released the first beta of the 6th version of its long-awaited enterprise server operating system, Red Hat Enterprise Linux (RHEL). The new OS offers greater server scalability by increasing the strength and performance of KVM hypervisor, its kernel-based virtualization infrastructure.
Rather than a maximum of 16 CPUs under which KVM could run, it now can handle up to 64 and a terabyte of memory. Red Hat also focussed on increasing I/O throughput of the KVM virtual machines.
RHEL will run Linux kernel version 2.6.33 and will also have backwards compatibility with previous versions of RHEL kernels. They will continue to support kernel versions for 7 years. Although RHEL is a commercial Linux distribution that requires licensing, many smaller web servers also run run free and open source versions of it, such as CentOS. Red Hat’s primary business is enterprise-level Linux servers, with an annual revenue of $652 million.