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25%
ClusterHAT
10.07.2017
Home »  HPC  »  Articles  » 
with the original Raspberry Pi Model A, ranging from two to more than 250 nodes. That early 32-bit system had a single core running at 700MHz with 256MB of memory. You can build a cluster of five RPi3 nodes with 20
25%
Managing Storage with LVM
07.11.2023
Home »  HPC  »  Articles  » 
B   Total PE              476931   Alloc PE / Size       0 / 0      Free  PE / Size       476931 / <1.82 TiB   VG UUID               o1Td3h-y72R-SR2R-HjHh-3mMG-ekXw-pkALKV Listing 3: Volume Group Information
25%
Real-World HPC: Setting Up an HPC Cluster
04.11.2011
Home »  HPC  »  Articles  » 
-o pe_start # vgcreate RaidVolGroup00 /dev/sdx # lvcreate --extents 100%VG --name RaidLogVol00 RaidVolGroup00 # mkfs -t ext3 -E stride=32 -m 0 -O dir_index,filetype,has_journal,sparse_super /dev
25%
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
25%
I/O Profiling at the Block Level
27.08.2014
Home »  HPC  »  Articles  » 
record size, (2) sequential read testing with 1MB record size, and (3) random write and read (4KB). In running these tests, I wanted to see what block layer information ioprof revealed. The system I
25%
S3QL filesystem for cloud backups
09.01.2013
Home »  Archive  »  2013  »  Issue 18: New W...  » 
Lead Image © stylephotographs, 123RF.com
a 256-bit AES key. An additional SHA-256 HMAC checksum protects the data from manipulation. Compression: S3QL compresses the data before storing, using either LZMA, bzip2, or gzip. This compression ... advantages: S3QL. ... S3QL filesystem for cloud backups
25%
Load Testing the Cloud
20.02.2012
Home »  CloudAge  »  Blogs  »  Dan Frost's Blog  » 
 
time: 11.79 secs Data transferred: 2.47 MB Response time: 0.22 secs Transaction rate: 35.79 trans/sec Throughput: 0
24%
Building a HPC cluster with Warewulf 4
04.04.2023
Home »  Archive  »  2023  »  Issue 74: The F...  » 
Photo by Andrew Ly on Unsplash
x86_64 2.9.1-9.el8 baseos 393 k groff-base x86_64 1.22.3-18.el8 baseos 1.0 M hwloc-ohpc x86_64 2.7.0-3
24%
Warewulf 4 – Time and Resource Management
17.01.2023
Home »  HPC  »  Articles  » 
                   x86_64 2.9.1-9.el8                           baseos          393 k  groff-base                 x86_64 1.22.3-18.el8                         baseos          1.0 M  hwloc-ohpc                 x86_64 2.7.0-3
24%
Linux device mapper writecache
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Lead Image © lightwise, 123R.com
=test test: (g=0): rw=randwrite, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=32 fio-3.12 Starting 1 process Jobs: 1 (f=1): [w(1)][100.0%][w=654MiB/s][w=167k IOPS][eta 00m:00s

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