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16%
A Btrfs field test and workshop
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Adrian Hillman, 123RF.com
, Fedora) to postpone the move to Btrfs as the standard filesystem. Conveniently, the latest long-term support version of Ubuntu, 12.04, was released at the end of April based on kernel version 3
16%
Getting started with I/O profiling
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© Photosani, Fotolia.com
53 47 44 439 128KB < < 256KB 0 2 0 0 0 0 0 2 256KB < < 512KB 2 2 2 3 2
16%
Go testing frameworks
05.08.2024
Home »  Archive  »  2024  »  Issue 82: Sover...  » 
Lead Image © Lucy Baldwin, 123RF.com
; i < size; i++ { 10 for j := 0; j < size; j++ { 11 array[j][i]++ 12 } 13 } 14 15 } Running the same test produces the results in Figure 3 – there indeed
16%
Improving performance with environment variables
02.08.2021
Home »  Archive  »  2021  »  Issue 64: Bare...  » 
Lead Image © sgame, fotolia.com
.196418 1.575951 87.21019 3.468651 39.623174 8,192 39.343849 27.946214 102.974144 10.677551 12.247917 89.771315 26.561623 41
16%
An IT nomad's diary
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Jasmin Merdan, 123RF.com
is MySQL or SQLite. 128MB disk space and 256MB RAM are the available hardware resources in a shared-hosting environment. If you need more, you have to upgrade to the Flex level, which means having
16%
Fundamentals of I/O benchmarking
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © Kheng Ho Toh, 123RF.com
(512 MB) copied, 49.1424 s, 10.4 MB/s If you want to empty the read and write cache for benchmark purposes, you can do so using: sync; echo 3 > /proc/sys/vm/drop_caches Sequential access
16%
Building a virtual NVMe drive
25.03.2020
Home »  Archive  »  2020  »  Issue 56: Secur...  » 
Lead Image © lassedesignen, 123RF
] [raid6] [raid5] [raid4] [raid10] md0 : active raid5 sdd1[5] sde1[4] sdc1[2] sdb1[1] nvme0n1p1[0](J) 20508171264 blocks super 1.2 level 5, 512k chunk, algorithm 2 [4/3] [UU
16%
Creating Virtual SSDs
21.01.2020
Home »  HPC  »  Articles  » 
mdadm: Defaulting to version 1.2 metadata mdadm: array /dev/md0 started. Next, verify that the RAID configuration has been created (Listing 3). You will immediately notice that the array initializes
16%
I/O benchmarks with Fio
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Kheng Ho Toh, 123RF.com
creates a 256MB file in the current directory along with process for the job. This process reads complete file content in random order. Fio records the areas that have already been read and reads each area
16%
Your own AWS-compatible cloud with Eucalyptus
14.11.2013
Home »  Archive  »  2013  »  Issue 17: Cloud...  » 
Lead Image © Author, 123RF.com
of the virtual computer models; their hardware configurations follow on the right. For example, the computer named m1.small only has one CPU and 256MB of RAM. The free/max column is also interesting: The number

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