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24%
When I/O Workloads Don’t Perform
12.05.2021
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30.85 72.31 13.16 20.40 0.26 70.44 83.89 1.97
3
.52 nvme0n1 58.80 12.
22
17720.47 48.71 230.91 0.01 79.70 0.08 0.42 0.03 0.
00 301.34 3
23%
Rethinking RAID (on Linux)
16.03.2021
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=libaio, iodepth=32 fio-
3
.12 Starting 1 process Jobs: 1 (f=1): [w(1)][100.0%][w=1420KiB/s][w=355 IOPS][eta
00
m:
00
s] test: (groupid=0, jobs=1): err= 0: pid=3377: Sat Jan 9 15:31:04 2021 write: IOPS=352, BW=1410Ki
23%
The practical benefits of network namespaces
15.08.2016
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2016
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Issue 34: Softw...
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-> ../../devices/pci0000:
00/0000:00
:03.0/net/eth0 |---lo -> ../../devices/virtual/net/lo The device is no longer listed in the default namespace. Listing
3
Configuring Devices $ ip link set eth1
22%
Profiling Python code
30.01.2020
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Issue 55: AWS L...
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%|
3
| 2|
3
.50475e-05| 1.75238e-05| 0.
00
%|import platform 4| 1| 2.19345e-05| 2.19345e-05| 0.
00
%|from time import clock (call)| 1| 2.67029e-05| 2.67029e-05| 0.
00
22%
Monitoring Performance with sar
05.03.2014
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-s 12:
00:00
-e 13:
00:00
Linux
3
.5.0-43-generic (hercules) 02.12.2013 _x86_64_ (2 CPU) 12:05:01 CPU %user %nice %system %iowait %steal %idle 12
22%
Collecting and evaluating performance data over a period of time
20.03.2014
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2014
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Issue 19: Perim...
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jcb@hercules:# sar -u -f /var/log/sysstat/sa02 -s 12:
00:00
-e 13:
00:00
Linux
3
.5.0-43-generic (hercules) 02.12.2013 _x86_64_ (2 CPU) 12:05:01 CPU %user %nice %system
22%
Processor and Memory Metrics
12.02.2014
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.py CPU ALL: 1.0 % CPU0 4.1% CPU1 2.0% CPU2 0.0% CPU
3
0.0% CPU4 0.0% CPU5 0.0% CPU6 0.0% CPU7 2.0% CPU ALL: user: 0.7% nice:
0.0
% system: 0.2% idle
22%
Rethinking RAID (on Linux)
25.03.2021
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Issue 62: Lean...
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=libaio, iodepth=32 fio-
3
.12 Starting 1 process Jobs: 1 (f=1): [w(1)][100.0%][w=1420KiB/s][w=355 IOPS][eta
00
m:
00
s] test: (groupid=0, jobs=1): err= 0: pid=3377: Sat Jan 9 15:31:04 2021 write: IOPS=352, BW=1410Ki
22%
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
... Warewulf
3
open64 code
22%
Monitoring network computers with the Icinga Nagios fork
30.11.2025
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2010
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Issue 1: System...
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active_checks_enabled 1
22
passive_checks_enabled 0 23 check_command check_ssh 24 max_check_attempts
3
25
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