The RHEL(Red Hat Enterprise Linux) team announced availability of Red Hat Enterprise Linux 6.6, the Pre- latest version of RHEL 6 platform. As usual motive behind this release is to refine stable and secure RHEL 6 platform which provides a reliable foundation for mission-critical systems across industries and regions.
Red Hat Enterprise Linux delivers a variety of improvements which will provide increased system performance across physical, virtual and cloud environments. Following are some improvements made in Red Hat Enterprise Linux 6.6
Kernel locking improvements to allow for more efficient CPU utilization on largeNUMA systems.
Out-of-the-box support for Remote Direct Memory Access (RDMA) overConverged Ethernet (RoCE) to deliver low-latency, high bandwidth network connectivity; functionality that was previously delivered through the High performance Networking Add-on.
A new optional socket polling implementation (“busy-poll”) that reduces network latency and jitter
Support for additional 40GbE network adapters (i.e. Solarflare, Intel, Emulex, Mellanox, and Chelsio)
Organizations that build large, complex environments will benefit from enhancements that provide a better system administration experience. These enhancements include
The addition of Performance Co-Pilot(PCP), a framework and set of services supporting system-level performance monitoring and management in distributed environments.
Improved manageability of resource lists in large, high availability configurations.
Full support for load balancing technology like HAProxy and keepalived
Red Hat Enterprise Linux 6.6 also provides enhancement for running as a virtual guest, upholding Red Hat’s commitment to refining the overall virtualization experience.
Virtualization updates made in RHEL 6.6 include:
Virtualization updates made in RHEL 6.6 include:
- Support for a host to feed randomness (entropy) to a virtual machine
- Increased security for cryptographic applications.
- Multi-queue performance improvements for guest network and storage throughput when running Red Hat Enterprise Linux 6.6 on a RHEL 7 rage host.
Availability of RHEL 6.6
Since Red Hat Enterprise Linux is a paid GNU/Linux distribution, installation media can not be downloaded for free (Those who want a free distribution may tryFedora, a distribution sponsored by Red Hat).
Customers with an existing subscription may download RHEL 6.6 from Red Hat Customer portal. Those who have already installed RHEL 6 series version, may upgrade directly into RHEL 6.6 using regular channels.
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