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21%
Go testing frameworks
05.08.2024
Home »  Archive  »  2024  »  Issue 82: Sover...  » 
Lead Image © Lucy Baldwin, 123RF.com
= [size][size]int {{0},{0},} 08 09 for i := 0; i < size; i++ { 10 for j := 0; j < size; j++ { 11 array[i][j]++ 12 } 13 } 14 15
20%
Warewulf 4
13.12.2022
Home »  HPC  »  Articles  » 
-export-libs-9.11.36-3.el8_6.1.x86_64.rpm             579 kB/s | 1.1 MB     00:02     (6/6): warewulf-4.3.0-1.git_235c23c.el8.x86_64.rpm               746 kB/s | 8.3 MB     00
20%
Managing Storage with LVM
07.11.2023
Home »  HPC  »  Articles  » 
 the last command as an example, an option to specify the extent size would be: # vgcreate -s 8M vg0 /dev/sdb1 /dev/sdd The -s 8M  option specifies a PE size of 8MB when the VG is created. You can change
20%
Fundamentals of I/O benchmarking
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © Kheng Ho Toh, 123RF.com
records in 1000000+0 records out 512000000 bytes (512 MB) copied, 1.58155 s, 324 MB/s # dd of=file if=/dev/zero bs=512 count=1000000 oflag=direct 1000000+0 records in 1000000+0 records out 512000000 bytes
20%
Speed up your MySQL database
11.02.2016
Home »  Archive  »  2016  »  Issue 31: Tunin...  » 
Lead Image © Mikhail Dudarev, 123RF.com
Use of mysqld # ps aux | egrep 'mysqld|VSZ' USER PID %CPU %MEM VSZ RSS START TIME COMMAND mysql 1568 0.0 0.0 4440 744 Sep08 0:00 mysqld_safe mysql 2337 0.1 5.9 29163040
20%
Linux Writecache
19.11.2019
Home »  HPC  »  Articles  » 
, ioengine=libaio, iodepth=32 fio-3.1 Starting 1 process Jobs: 1 (f=1): [w(1)][100.0%][r=0KiB/s,w=1401KiB/s][r=0,w=350 IOPS][eta 00m:00s] test: (groupid=0, jobs=1): err= 0: pid=3104: Sat Oct 12 14:39:08 2019   write: IOPS=352
20%
Linux device mapper writecache
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Lead Image © lightwise, 123R.com
=1): err= 0: pid=1634: Mon Oct 14 22:18:59 2019 write: IOPS=118k, BW=463MiB/s (485MB/s)(10.0GiB/22123msec); 0 zone resets [ ... ] Run status group 0 (all jobs): WRITE: bw=463MiB/s (485MB/s), 463Mi
20%
Minifying container images with DockerSlim
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
Lead Image © Maggie Molloy, 123RF.com
-slim[build]: info=image id=sha256:231d40e811cd970168fb0c4770f2161aa30b9ba6fe8e68527504df69643aa145 size.bytes=126323486 size.human=126 MB docker-slim[build]: info=image.stack index=0 name='nginx:latest' id='sha256
19%
Security first with the Hiawatha web server
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © Tatiana Popov, 123RF.com
:* LISTEN 4766/hiawatha tcp 0 0 127.0.0.1:10000 0.0.0.0:* LISTEN 944/perl tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 676/sshd
19%
CPU affinity in OpenMP and MPI applications
03.02.2022
Home »  Archive  »  2022  »  Issue 67: syst...  » 
Lead Image © podfoto, 123RF.com
CPUs. Listing 5 numactl $ numactl --hardware available: 1 nodes (0) node 0 cpus: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38

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