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30.11.2025

Home » Archive » 2011 » Issue 5: Pen Te... »

SUSE 11.3, the benchmark repository offers an up-to-date package [1]. Fio is also included with Fedora. The source code from the tarball or Git repository can be compiled with a simple make, assuming you

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SDS configuration and performance

13.02.2017

Home » Archive » 2017 » Issue 37: Distr... »

unknown [3]. In this article, I analyze the three systems and compare the read and write speeds in the test network in a benchmark. Speed may be key for filesystems, but a number of other features

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Tuning SSD RAID for optimal performance

09.08.2015

Home » Archive » 2015 » Issue 28: SSD RAID »

with four SSDs, the write IOPS decreased with writeback activated from 14,400 to 3,000 – nearly 80 percent fewer IOPS. The only advantage of the write cache is low write latencies for RAID 5 sets. Because

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Efficiently planning and expanding the capacities of a cloud

02.03.2018

Home » Archive » 2018 » Issue 44: Cloud... »

. Better Scaling If you are planning a cloud, you will want to rely on a Layer 3 leaf-spine architecture from the start because of its scalability. This layout differs from the classic approach primarily

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Let the hardware do the heavy lifting

09.06.2018

Home » Archive » 2018 » Issue 45: Autom... »

into dedicated hardware. This trend will only exacerbate with the arrival of 200/400-gigabit Ethernet (GbE) in 2019, and 800GbE shortly after that; hence, the window for CPU offload will remain open

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DNS filtering with authentication

30.11.2020

Home » Archive » 2020 » Issue 60: Secur... »

to 400 days. The DNS filter generates daily, weekly, and monthly reports at the user level. Some of the prepared logs can be viewed in the dashboard; specifically, the blocking logs for the past 12 hours

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