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16%
Web and Mail Servers with IPv6
13.12.2011
Home »  Articles  » 
 
 , offers a test page where you can test your dual-stack connectivity (Figure 3). Figure 3: The Dual Stack Connectivity Chart offered by RIPE NCC [1] tells you
16%
Fixing Ceph performance problems
29.09.2020
Home »  Archive  »  2020  »  Issue 59: Custo...  » 
Lead Image © Kritiya Sumpun, 123RF.com
. Only when the object has arrived in the journals of as many OSDs as the value size specifies (3 out of the box) is the acknowledgement for the write sent to the client, and only then is the write
16%
High availability for RESTful services with OpenStack
09.01.2013
Home »  Archive  »  2013  »  Issue 18: New W...  » 
Lead Image © Ying Feng Johansson, 123RF.com
02 log 127.0.0.1 local0 03 maxconn 4000 04 daemon 05 uid 99 06 gid 99 07 08 defaults 09 log global 10 mode http 11 option httplog 12 option dontlognull 13 timeout server 5s
16%
Predicting Drive Doom
20.10.2013
Home »  HPC  »  Articles  » 
of the drives (more on that later). Smartmontools is compatible with all S.M.A.R.T. features and supports ATA/ATAPI/SATA-3 to -8 disks and SCSI disks and tape devices. It also supports the major Linux RAID cards
16%
Introduction to OpenMP programming
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Frank Rohde, 123RF.com
[3] to solving the questions. Although not the most efficient or fastest method for solving the problem, it does illustrate how one can use OpenMP to parallelize applications. I will be using
16%
Rethinking RAID (on Linux)
25.03.2021
Home »  Archive  »  2021  »  Issue 62: Lean...  » 
Lead Image © nikkikii, 123RF.com
=libaio, iodepth=32 fio-3.12 Starting 1 process Jobs: 1 (f=1): [w(1)][100.0%][w=1420KiB/s][w=355 IOPS][eta 00m:00s] test: (groupid=0, jobs=1): err= 0: pid=3377: Sat Jan 9 15:31:04 2021 write: IOPS=352, BW=1410Ki
16%
Secure microservices with centralized zero trust
04.04.2023
Home »  Archive  »  2023  »  Issue 74: The F...  » 
Photo by Christopher Ruel on Unsplash
TLS use case that we are focusing on in this article. Note that although a SPIFFE ID looks very much like a URI, it has no meaning in the DNS sense, and plays no role in establishing the initial layer 3 TCP
16%
Linux device mapper writecache
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Lead Image © lightwise, 123R.com
Zhao through his summer internship at IBM Research. The dm-cache module was integrated into the Linux kernel tree as of version 3.9. It is an all-purpose caching module and is written and designed to run
16%
Moving HPC to the cloud
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Zarko Cvijovic, 123RF.com
will provide sub-par performance. A deeper treatment of these issues can be found in a recent article called "Will HPC Work in the Cloud?" [3]. Finally, any remote computation scheme needs to address
16%
Parallel Programming with OpenMP
21.11.2012
Home »  HPC  »  Articles  » 
of the solution matrix, u (lines 119-123), (2) the iteration loop (lines 137-142), and (3) the update of the solution (lines 146-151). Loops are wonderful places for parallelization – they can use a great deal

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