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15%
Server virtualization with Citrix XenServer
04.08.2011
Home »  CloudAge  »  Articles  » 
 
. Depending on the functional scope, the prices are between US$ 1,000 and US$ 5,000 including 12 months of free upgrades, news, and information. For newcomers to the world of server virtualization, Citrix
15%
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
15%
Filesystem Murder Mystery
09.04.2019
Home »  Archive  »  2019  »  Issue 50: Bpfilter  » 
Lead Image © Lucy Baldwin, 123RF.com
in mv ubuntu@aws:~/slow-mv$ strace -t mv 3GB.copy 3GB 19:00:09 execve("/bin/mv", ["mv", "3GB.copy", "3GB"], 0x7ffd0e7dddf8 /* 21 vars */) = 0 19:00:09 brk(NULL) = 0x55cd7d1ce000
15%
I/O benchmarks with Fio
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Kheng Ho Toh, 123RF.com
it took to process them (lat for latency.) Figure 1 shows the results of a test on a ThinkPad T520 with a 300GB Intel SSD 320 on kernel 3.0. When you are measuring performance, it makes sense to think
15%
Galera Cluster for MySQL
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© Noel Powell, fotolia.com
.500 1 192.168.56.103:3306 : 1.000 0.500 1 ---------------------------------------------------- Destinations: 3, total connections: 4 and echo getstats | nc -q 1 127.0.0.1 4444 in: 37349
15%
Tuning I/O Patterns in C
31.07.2013
Home »  HPC  »  Articles  » 
Code Example 1 #include 2 3 /* Our structure */ 4 struct rec 5 { 6 int x,y,z; 7 float value; 8 }; 9 10 int main() 11 { 12 int counter; 13 struct rec my
15%
Overview of cloud platforms and appliances
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Athiphan Chunmano, 123RF
, your scaling options are virtually unlimited, and you can add Content Delivery Networks (CDN). As an example, SlideShare [1] integrates document downloads and Flash file hosting with Amazon S3 and Cloud
15%
S.M.A.R.T., smartmontools, and drive monitoring
09.01.2013
Home »  Archive  »  2013  »  Issue 18: New W...  » 
Lead Image © _fla, 123RF.com
Barracuda (SATA 3Gb/s, 4K Sectors) Device Model: ST3000DM001-1CH166 Serial Number: Z1F35P0G LU WWN Device Id: 5 000c50 050b954c3 Firmware Version: CC27 User Capacity: 3,000,592,982,016 bytes [3.00 TB] Sector
15%
SMART storage device monitoring
29.09.2020
Home »  Archive  »  2020  »  Issue 59: Custo...  » 
Lead Image © Sk Design, Fotolia.com
_On_Hours 0x0032 097 097 000 Old_age Always - 12441 12 Power_Cycle_Count 0x0032 098 098 000 Old_age Always - 1482 177 Wear_Leveling_Count 0x0013 098
15%
SMART Devices
14.08.2020
Home »  HPC  »  Articles  » 
   100   100   010    Pre-fail  Always       -       0   9 Power_On_Hours          0x0032   097   097   000    Old_age   Always       -       12441  12 Power_Cycle_Count       0x0032   098   098   000    Old

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