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19%
Processor and Memory Metrics
12.02.2014
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.py CPU ALL: 1.0 % CPU0 4.1% CPU1 2.0% CPU
2 0.0
% CPU3 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
18%
Distributed storage with Sheepdog
07.10.2014
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2014
»
Issue 23: 10 Ti...
»
/lib/sheepdog root 582 581 0 13:13 ?
12:00:00
AM sheep -p 7000 /var/lib/sheepdog # grep sheep /proc/mounts /dev/sdb1 /var/lib/sheepdog ext4 rw,relatime,data=ordered 0 0 # grep sheep /etc/fstab /dev
18%
Rethinking RAID (on Linux)
25.03.2021
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2021
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Issue 62: Lean...
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/md0 /dev/md0: Version :
1.2
Creation Time : Sat Jan 9 16:36:18 2021 Raid Level : raid1 Array Size : 2094080 (2045.
00
MiB 2144.34
MB
) Used Dev Size : 2094080 (2045.
00
17%
Listing 4
21.08.2012
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Warewulf 4 Code
»
| 119 kB
00:00
(6/19): glib2-2.22.5-6.el6.i686.rpm | 1.1
MB
00:00
(7/19): libX11-1.3-2.el6.i686.rpm
17%
Speed up your MySQL database
11.02.2016
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2016
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Issue 31: Tunin...
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B/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util sda
2.00
8.
00
2.00
9500.
00
16.
00
151948.
00
31.99 1.07 0.11 4.
00
0.11 0.09 88.40 If your read or write
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%
Profiling Python code
30.01.2020
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2020
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Issue 55: AWS L...
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and a truncated distance 243| 12475000| 50.5158| 4.04936e-06| 3.04%| d =
0.0
244| 49900000| 209.465| 4.1977e-06|
12
.60%| for k in range(0, d_num): 245
17%
Profiling Python Code
09.12.2019
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RIJ, the displacement vector 238| 49900000| 210.704| 4.22253e-06|
12
.67%| for k in range(0, d_num): 239| 37425000| 177.055| 4.73093e-06| 10.65%| rij[k] = pos[k,i] - pos[k,j] 240| 0| 0| 0| 0.
00
16%
A closer look at hard drives
18.07.2013
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2013
»
Issue 15: What’...
»
buffered disk reads: 616
MB
in 3.
00
seconds = 205.03
MB
/sec $ hdparm -T /dev/sda /dev/sda: Timing cached reads: 6292
MB
in
2.00
seconds = 3153.09
MB
/sec If this were a spinning disk, you would also
16%
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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friday
00:00-24:00
10 saturday
00:00-24:00
11 }
12
13 define timeperiod{ 14 timeperiod_name wochentags 15 alias Robot Robot
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