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15%
Rethinking RAID (on Linux)
25.03.2021
Home »  Archive  »  2021  »  Issue 62: Lean...  » 
Lead Image © nikkikii, 123RF.com
[1] sdc1[0] 244065408 blocks super 1.2 [2/2] [UU] [=>...................] resync = 6.4% (15812032/244065408) finish=19.1min speed=198449K/sec bitmap: 2/2 pages [8KB], 65536KB chunk
15%
Predicting Drive Doom
20.10.2013
Home »  HPC  »  Articles  » 
_age Always - 9 193 Load_Cycle_Count 0x0032 100 100 000 Old_age Always - 133 194 Temperature_Celsius 0x0022 031 040 000 Old_age Always - 31 (0 22 0 0 0) 197 Current_Pending_Sector 0x0012 100 100 000 Old
15%
Understanding the Status of Your Filesystem
18.06.2014
Home »  HPC  »  Articles  » 
is it? Which user has the largest capacity? Which user has the most files? What is the oldest file and how old is it? These are deceptively easy questions to answer, but what if you have 1,000 users
15%
Goodbye virtual machines, hello microVMs
06.10.2022
Home »  Archive  »  2022  »  Issue 71: Kuber...  » 
Photo by Eric Froehling on Unsplash
traditional VMs, plus the efficiency of containers. MicroVMs, then, provide enhanced isolation, reduced startup time, and greater hardware utilization. Interestingly, the AWS folks demo'd starting 4,000 micro
15%
Small Tools for Managing HPC
18.10.2017
Home »  HPC  »  Articles  » 
-64/16.10/lib/libpgf90rtl.so (0x00007f5bc6516000)         libpgf90.so => /opt/pgi/linux86-64/16.10/lib/libpgf90.so (0x00007f5bc5f5f000)         libpgf90_rpm1.so => /opt/pgi/linux86-64/16.10/lib/libpgf90_rpm1.so
15%
High-Performance Python 1
16.07.2019
Home »  HPC  »  Articles  » 
 +=x[i]     return total   x = numpy.arange(10_000_000); %time sum(x)   CPU times: user 1.63 s, sys: 0 ns, total: 1.63 s Wall time: 1.63 s Next, add Numba into the code (Listing 2) so the @jit  decorator can be used
15%
High-performance Python – compiled code and C interface
01.08.2019
Home »  Archive  »  2019  »  Issue 52: Stop...  » 
Lead Image © Konrad Bak, 123RF.com
total x = numpy.arange(10_000_000); %time sum(x) CPU times: user 1.63 s, sys: 0 ns, total: 1.63 s Wall time: 1.63 s Next, add Numba into the code (Listing 2) so the @jit decorator can be used. (Don
15%
An army of Xeon cores to do your bidding
30.01.2024
Home »  Archive  »  2024  »  Issue 79: Monit...  » 
Lead Image © Lucy Baldwin, 123RF.com
Dell Precision Workstation T7910 Power 1,300W CPU 2x Intel Xeon Gold E5-2699 V4, 22 cores, 2.4GHz, 55MB of cache, LGA 2011-3 GPU, NPU n/a* Memory
15%
Managing Storage with LVM
07.11.2023
Home »  HPC  »  Articles  » 
can save some partitions or devices for later when the requests for more space arrive. You can also create PVs and just leave them for later. Listing 1 is an example from an Ubuntu 22.04 system
15%
Endlessh and tc tarpits slow down attackers
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © Yewkeo, 123RF.com
. As surely as night follows day, automated attacks will target the default Secure Shell port (TCP port 22), so I will use SSH as the guinea pig test case with the knowledge that I can move the real SSH service

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