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20%
Linux Writecache
19.11.2019
Home »  HPC  »  Articles  » 
, ioengine=libaio, iodepth=32 fio-3.12 Starting 1 process Jobs: 1 (f=1): [w(1)][100.0%][w=475MiB/s][w=122k IOPS][eta 00m:00s] test: (groupid=0, jobs=1): err= 0: pid=1634: Mon Oct 14 22:18:59 2019   write: IOPS=118k, BW=463Mi
20%
Performance testing monitoring solutions
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Kheng Ho Toh, 123RF.com
machine. On the basis of these hardware conditions, I gradually increased the number of checks, starting with 1,000 checks, then moving up to 1,400, and finally 2,200. Figure 3 shows how Nagios latency
20%
Parallel Shells: Run Commands on Multiple Nodes
02.07.2014
Home »  HPC  »  Articles  » 
to do on a single node can be done on a large number of nodes using a parallel shell tool. If you try to use a parallel shell on a 50,000-node cluster, however, the time skew could be large enough
20%
Green IT
24.10.2011
Home »  Articles  » 
 
machines at more than EUR 17,000 more expensive than upgrading (Table 3). The mid-cap businesses in the survey have their own IT department, which can
20%
Preload Trick
11.05.2021
Home »  HPC  »  Articles  » 
, elapsed Time = %9.6f, GFlops = %9.6f ", ...                 N, elapsedTime, gFlops) );   endfor Listing 2: Double-Precision Square Matrix Multiply # Example DGEMM   for N = [2, 4, 8, 16
20%
Supercomputing Revenue Up Nearly 30%
28.03.2013
Home »  HPC  »  News  » 
 
Revenue in the high-end supercomputers segment of HPC systems, which sell for US$ 500,000 and up, increased 29.3% to US$ 5.6 billion from 2011, according to IDC’s recent “Worldwide High
20%
Server distributions for small businesses tested
11.02.2016
Home »  Archive  »  2016  »  Issue 31: Tunin...  » 
Lead Image © wabeno, 123RF.com
of these distributions to the test: ClearOS [1], Collax Business Server [2], Koozali SME Server [3], NethServer [4], Univention Corporate Server [5], and Zentyal Server [6]. The seventh contestant was a pre-installed NAS
20%
An IT nomad's diary
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Jasmin Merdan, 123RF.com
is MySQL or SQLite. 128MB disk space and 256MB RAM are the available hardware resources in a shared-hosting environment. If you need more, you have to upgrade to the Flex level, which means having
20%
Protecting your web application infrastructure with the Nginx Naxsi firewall
18.07.2013
Home »  Archive  »  2013  »  Issue 15: What’...  » 
Pansiri Pikunkaew, 123RF
resource requirements. Although Apache is still king of the hill, approximately 30 percent of the top 10,000 websites already benefit from Nginx [2] (Figure 1
20%
Building sustainably safe containers
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © it studiom1, 123RF.com
/lib/gcc/x86_64-pc-linux-gnu/9.3.0/lib* /lib64/ ---> 6f7d7264921c Step 4/6 : ADD gentoo-java.tar.gz / ---> afb2d5612109 Step 5/6 : ENV JAVA_HOME /opt/icedtea-bin-3.16.0 [...] 441dec54d0dd: Pushed 22bac475857f

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