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45%
A closer look at hard drives
18.07.2013
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»
Archive
»
2013
»
Issue 15: What’...
»
buffered disk reads: 616
MB
in
3
.00 seconds = 205.03
MB
/sec $ hdparm -T /dev/sda /dev/sda: Timing cached reads: 6292
MB
in 2.00 seconds = 3153.09
MB
/sec If this were a spinning disk, you would also
45%
Process, Network, and Disk Metrics
26.02.2014
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reqs merged:
3
.78/s Write reqs completed: 2.10/s Read BW:
0.00
MB
/s Write BW: 0.02
MB
/s Avg sector size issued 23.78 Avg
45%
I/O benchmarks with Fio
30.11.2025
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»
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
44%
Rethinking RAID (on Linux)
16.03.2021
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B/s), 1236KiB/s-1236KiB/s (1266kB/s-1266kB/s), io=72.5MiB (76.1
MB
), run=60102-60102msec Disk stats (read/write): md0: ios=53/18535, merge=0/0, ticks=0/0, in_queue=0, util=
0.00
%, aggrios=33/18732, aggrmerge
44%
Assess USB performance while exploring storage caching
13.12.2018
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»
Archive
»
2018
»
Issue 48: Secur...
»
(USB 2), and a Samsung Fit Plus 32 (USB
3
). Disk Caches The OS is not the only player in the caching business. Examining a Samsung 750 SATA SSD drive, you cannot but notice a 256
MB
RAM buffer [8
44%
Hunt down vulnerabilities with the Metasploit pen-testing tool
28.11.2021
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»
2021
»
Issue 66: Inci...
»
to 192.168.122.236. Escape character is '^]'.
220
(vsFTPd 2.
3
.4) user mfeilner:) 331 Please specify the password.
^] telnet> quit Connection closed. [mfeilner@parrot][~] $ telnet 192
44%
Speed up your MySQL database
11.02.2016
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»
Archive
»
2016
»
Issue 31: Tunin...
»
.40 <- < 71% idle > 0 1.00
0.00
0.37
0.00
0.00
0.06
0.00
0.00
0.00
98.57 1 100.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
2
3
.77
0.00
43%
Resource Management with Slurm
05.11.2018
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it the number of cores, number of cores per socket, threads per core, and the amount of memory available (e.g., 30,
000
MB
, or 30GB, here). CgroupAutomount=yes CgroupReleaseAgentDir="/etc/slurm/cgroup" Constrain
43%
Resource Management with Slurm
13.12.2018
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»
Archive
»
2018
»
Issue 48: Secur...
»
socket, threads per core, and the amount of memory available (e.g., 30,
000
MB
, or 30GB, here). CgroupAutomount=yes CgroupReleaseAgentDir="/etc/slurm/cgroup" ConstrainCores=yes Constrain
43%
Warewulf Cluster Manager – Administration and Monitoring
21.08.2012
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=/vnfs The VNFS grew a little bit in size from the ganglia additions to 72.
3
MB
, which is still pretty small. Now I can boot the compute node. Once it comes up (check this by ssh ing to the node as a user
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