To help you better understand the chart, let’s use disk I/O benchmarks as an example. Higher is better.Īs shown in the "normalized performance gains" chart, traditional CPU loads like Linpack and SPECcpu (est) are performing similarly to RHEL 7, because they spend a majority of the time in userspace rather than the Linux kernel. All values are percentage performance improvements from RHEL 7 to RHEL 8. The boxes shows weighted values and the vertical lines show the highest and lowest results. Reading this chart: this is a candlestick chart which combines multiple tests into a single vertical bar. While performance tuning and optimization work will continue with minor releases, the Red Hat Performance team is eager to give you a sense of performance improvements that we have seen and what customers may see on similar workloads. These are numbers measured in May 2019 when RHEL 8 was first shipped. To give you an idea about the performance we’ve seen with RHEL 8, we are providing some unofficial numbers from our lab systems. These benchmarks are meant to mimic real application workloads for their respective industries and use cases and provide a standard way to measure and compare application level performance-the performance you actually care about! We then run optimized application workloads based on industry standard benchmarks from SPEC (cpu_est, jbb_est), TPC (OLTP and DSS) STAC and SAP/SAS. Microbenchmarks are used to validate expected low level performance on bare metal, using virtualization and containers. Testing includes the filesystems we ship with Red Hat Enterprise Linux, such as XFS, Ext4, GFS2, Gluster and Ceph. We run multiple benchmarks and measure the performance of CPU, memory, disk I/O and networking.
#BENEFIT OF CENTOS LINUX 7 BENCHMARK DEFINITION SOFTWARE#
How did we get here? The performance engineering team at Red Hat collaborates with software partners and hardware OEMs to measure and optimize performance across workloads that range from high-end databases, NoSQL databases packaged in RHEL, Java applications, and third party databases and applications from Oracle, Microsoft SQL Server, SAS, and SAP HANA ERP applications. This post will highlight RHEL 8 performance gains over RHEL 7. To put this in context, we used RHEL 7.6 to execute multiple benchmarks with Intel's 2nd generation of Intel Xeon Scalable processors, and our hardware partners set 35 new world record performance results using the same OS version. Red Hat Enterprise Linux (RHEL) 8 can provide significant performance improvements over RHEL 7 across a range of modern workloads.
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