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17%
Profiling Python code
30.01.2020
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2020
»
Issue 55: AWS L...
»
tottime percall cumtime percall filename:lineno(function) 148/1 0.001
0.000
156.745 156.745 {built-in method builtins.exec} 1 149.964 149.964 156.745 156.745 md_002.py:3
17%
Appendix – I/O Report from MPI Strace Analyzer
15.02.2012
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2012-02-15 HPC...
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/null 1 /lustre/icbci001/apps/lsdyna/benchmark-file/tmp/d3hsp 2 /lustre/icbci001/apps/lsdyna/benchmark-file/tmp/./mes
0000
1 bg_switch 2
17%
Appendix – I/O Report from MPI Strace Analyzer
26.01.2012
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2012-02-01 HPC...
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/null 1 /lustre/icbci001/apps/lsdyna/benchmark-file/tmp/d3hsp 2 /lustre/icbci001/apps/lsdyna/benchmark-file/tmp/./mes
0000
1 bg_switch 2
17%
Comparing Ceph and GlusterFS
21.04.2015
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2014
»
Issue 23: 10 Ti...
»
-r--r-- 2 root root 6 3. Feb 18:36 .glusterfs/0d/19/0d19fa3e-5413-4f6e-abfa-1f344b687ba7 # # ls -alid dir1 .glusterfs/fe/9d/fe9d750b-c0e3-42ba-b2cb-22ff8de3edf0 .glusterfs /00/00/00000000-
0000-0000-0000
17%
CephX Encryption
27.03.2013
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=’none’/>
0000’ bus=’0x00’ slot=’0x05’function=’0x0’/> This kind of VM can easily
17%
Using the ATA security features of modern hard disks and SSDs
20.03.2014
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2014
»
Issue 19: Perim...
»
, password = "Secret", user = user
0.000
u
0.000
s 0:39.71 0.0% 0+0k 0+0io 0pf+0w or # hdparm --user-master u --security-erase-enhanced "Secret" /dev/sdb In both cases, not only is the delete process
17%
Controlling virtual machines with VNC and Spice
14.03.2013
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2013
»
Issue 13: IPv6...
»
the VNC server to the
0.0.0.0
address (vnc_listen=
0.0.0.0
in /etc/libvirt/qemu.conf). You should only use this simple solution in a secure lab environment. On Fedora and RHEL, the firewall, which is enabled
17%
Maatkit tools for database administrators
17.06.2011
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2010
»
Issue 2: Backup...
»
sprzblog mysql ↩ limesurvey -uroot -ppassword > ↩ backup.sql will take 21 seconds to complete: real 0m21.626s user 0m
0.000
s sys 0m
0.000
s In the case of larger databases on non
17%
open64
01.08.2012
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Warewulf Cluste...
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Warewulf 3 Code
»
| 4.3 MB 00:02 (2/2): nss-softokn-freebl-3.12.9-11.el6.i686.rpm | 115 kB
00:00
17%
Monitoring HPC Systems
11.06.2014
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2014
»
Issue 21: Manag...
»
@home4 ~]# netstat -plane | egrep 'gmon|gme' tcp 0 0 0.0.0.0:8651
0.0.0.0
:* LISTEN 99 253012 21656/gmetad tcp 0 0 0
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