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16%
Understanding the Status of Your Filesystem
18.06.2014
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»
HPC
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Articles
»
Size Intervals (KB): [ 0- 1 KB]: 156455 ( 40.31%) ( 40.31% cumulative) [
1- 2
KB]: 38278 ( 9.86%) ( 50.18% cumulative) [ 2- 4 KB]: 30822 ( 7.94%) ( 58.
12
% cumulative) [
4- 8
15%
Graph database Neo4j discovers fake reviews on Amazon
04.08.2020
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2020
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Issue 58: Graph...
»
five-star reviews that look very similar. The problem is so evident on Amazon that customers
rub
their eyes in amazement wondering why the online giant doesn't intervene. Graph databases can help
15%
Appendix – I/O Report from MPI Strace Analyzer
15.02.2012
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2012-02-15 HPC...
»
of Total Elapsed Time = 0.003117 seconds Average IO Time =
12
.768351 seconds (0.378% of Total Time) Standard Deviation of IO Time = 9.919384 seconds Figure 1 below plots the total elpased time (yellow
15%
Appendix – I/O Report from MPI Strace Analyzer
26.01.2012
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2012-02-01 HPC...
»
of Total Elapsed Time = 0.003117 seconds Average IO Time =
12
.768351 seconds (0.378% of Total Time) Standard Deviation of IO Time = 9.919384 seconds Figure 1 below plots the total elpased time (yellow
15%
An army of Xeon cores to do your bidding
30.01.2024
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2024
»
Issue 79: Monit...
»
in this case to note that 2.4GHz is the maximum speed they can all accelerate to concurrently. At the time of this writing, an Amazon AWS m7g.
12
xlarge instance with
48
virtual cores and only 192GB of RAM
15%
A closer look at hard drives
18.07.2013
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2013
»
Issue 15: What’...
»
of file deletions – resolving this problem in most configurations not involving RAID, which is still negatively affected. The /etc/fstab file shows that this partition is installed with Ubuntu
12
.04's
15%
First steps in IT automation by Rex
11.06.2014
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2014
»
Issue 21: Manag...
»
_system_release = '
12
.04' 17 $eth0_mac = '08:00:27:c4:a1:d8' 18 $VirtInfo = { 19 virtualization_role => 'guest' 20 virtualization_type => 'virtualbox' 21 }
22
$memory_shared = '0' 23 $Network = { 24 networkdevices
14%
Rethinking RAID (on Linux)
16.03.2021
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RAID Status cat /proc/mdstat Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10] md0 : active raid1 sdd1[1] sdc1[0] 244065408 blocks super
1.2
[
2/2
] [UU
14%
Roll out hybrid clouds with Ansible automation
14.03.2018
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2018
»
Issue 44: Cloud...
»
rules:
48
- proto: udp 49 from_port: 12345 50 to_port: 12345 51 cidr_ip: 0.0.0.0/0 52 - proto: tcp 53 from_port:
22
54 to_port:
22
55 cidr_ip: 0
14%
Hybrid public/private cloud
30.01.2020
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2020
»
Issue 55: AWS L...
»
VPC: 04 Type: AWS::EC2::VPC 05 Properties: 06 CidrBlock: 07 Ref: VPCNet 08 Tags: 09 - Key: Name 10 Value: 11 Ref: VPCName
12
13 Forti
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