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51%
Tuning ZFS for Speed on Linux
17.03.2020
Home »  HPC  »  Articles  » 
: $ cat /proc/partitions|grep nvme  259        0  244198584 nvme0n1  259        3   97654784 nvme0n1p1  259        4   96679936 nvme0n1p2 I will be using partition 1 for the L2ARC read cache, so to enable
51%
Warewulf Cluster Manager – Administration and Monitoring
21.08.2012
Home »  HPC  »  Articles  » 
just two nodes: test1, which is the master node, and n0001, which is the first compute node): [laytonjb@test1 ~]$ pdsh -w test1,n0001 uptime test1: 18:57:17 up 2:40, 5 users, load average: 0.00, 0
50%
Run One Program at any Scale with Legate
08.06.2021
Home »  HPC  »  Articles  » 
properties: CPU: Intel(R) Core(TM) i5-10300H CPU @2.50GHz Processor base frequency: 2.5GHz Max turbo frequency: 4.5GHz Cache: 8MB Four cores (eight with hyperthread) 45W thermal design
50%
File Compression for HPC
10.11.2021
Home »  HPC  »  Articles  » 
a directory -v or -vv  creates verbose output -b uses bzip2 compression -g uses gzip compression -l uses lzo compression -L n uses compression level n (1 -9 , with 7 being the default
50%
Static code analysis finds avoidable errors
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Lead Image © Andrey KOTKO, 123RF.com
, Splint [9] for C offers thorough code analysis. Listing 2 shows a deliberately broken sample program. The potential buffer overflow in line 8 and the format string vulnerability in line 9 are even
50%
What Is an Inode?
23.03.2022
Home »  HPC  »  Articles  » 
 20  2020 openmpi-4.0.5.tar.gz 39322319 drwxrwxr-x   7 laytonjb laytonjb     4096 Oct 24  2020 psutil-release-5.7.3 32639755 drwxrwxr-x   2 laytonjb laytonjb     4096 Nov  6 10:25 pxz-master 31866302
50%
Asynchronous PostgreSQL
12.09.2013
Home »  Archive  »  2013  »  Issue 16: Docker  » 
Lead Image © Fesus Robert, 123RF.com
; 05 06 print "Status: 200\nContent-Type: text/plain\n\n"; 07 $|=1; $|=0; # flush 08 09 my $dbh=DBI->connect('dbi:Pg:dbname=r2', 'ipp', undef, {RaiseError=>1}); 10 11 my $sth
50%
Aligning filesystem partitions
20.03.2014
Home »  Archive  »  2014  »  Issue 19: Perim...  » 
Lead Image © Lucy Baldwin, 123RF.com
to the minimum file allocation size a filesystem manages and effectively represent the smallest possible disk allocation for a file. (A smaller file would be padded with slack space to that minimum allocation
50%
MPI Apps with Singularity and Docker
18.03.2020
Home »  HPC  »  Articles  » 
        2 hours ago         9.83GB                                         49cbd14ae32f        3 hours ago         269MB ubuntu              18.04               72300a873c2c        3 weeks ago         64.2MB
50%
Baselines are more important than  the  benchmark
06.10.2022
Home »  Archive  »  2022  »  Issue 71: Kuber...  » 
Lead Image © Lucy Baldwin, 123RF.com
rd_size=524288 root@focal:~# ls /dev/ram0 /dev/ram0 root@focal:~# fallocate -l 2M header.img root@focal:~# echo -n "not a secure passphrase" | cryptsetup luksFormat -q /dev/ram0 --header header

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