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17%
Processor and Memory Metrics
12.02.2014
Home »  HPC  »  Articles  » 
.py  CPU ALL:  1.0  %  CPU0    4.1%  CPU1    2.0%  CPU2    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
17%
A closer look at hard drives
18.07.2013
Home »  Archive  »  2013  »  Issue 15: What’...  » 
Lucy Baldwin, 123RF
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%
Linux device mapper writecache
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Lead Image © lightwise, 123R.com
=test test: (g=0): rw=randwrite, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=32 fio-3.12 Starting 1 process Jobs: 1 (f=1): [w(1)][100.0%][w=654MiB/s][w=167k IOPS][eta 00m:00s
16%
Warewulf Cluster Manager – Administration and Monitoring
21.08.2012
Home »  HPC  »  Articles  » 
, with the use of chkconfig, that ganglia always starts when the master node boots: [root@test1 ganglia]# chkconfig --list | more NetworkManager 0:off 1:off 2:on 3:on 4:on 5:on 6:off acpid
16%
Bringing old hardware back into the game
29.09.2020
Home »  Archive  »  2020  »  Issue 59: Custo...  » 
Lead Image © Lucy Baldwin, 123RF.com
and doubles the cache size (from 3 to 6MB), in exchange for a small drop in baseline clock speed – 2.3 to 2.2GHz (peak drops from 3.2 to 3.1GHz). Major Surgery Legend has it that no one has ever opened
16%
IPv6 Tables
20.05.2014
Home »  Archive  »  2014  »  Issue 20: IPv6...  » 
Lead Image © gepard1979, 123RF.com
: Figure 3: Nailed down: In the current state, the firewall does not allow any traffic to localhost. # Allow loopback communication ip6tables -A INPUT -i lo -j ACCEPT ip6tables -A OUTPUT -o lo -j ... We design a basic set of ip6tables rules for an IPv6 firewall. ... ip6tables Rules ... IPv6 Tables ... Creating Firewall Rules with ip6tables
16%
Greylisting with Postgrey
22.06.2012
Home »  Articles  » 
 
: Qmail Delivery Retry Events Delivery Attempt Seconds D-HH:MM:SS 1 0 0-00:00:00 2 400 0-00:06:40 3 1600 0-00:26:40 4
16%
Linux Writecache
19.11.2019
Home »  HPC  »  Articles  » 
, ioengine=libaio, iodepth=32 fio-3.12 Starting 1 process Jobs: 1 (f=1): [w(1)][100.0%][w=475MiB/s][w=122k IOPS][eta 00m:00s] test: (groupid=0, jobs=1): err= 0: pid=1634: Mon Oct 14 22:18:59 2019   write: IOPS=118k, BW=463Mi
16%
Go testing frameworks
05.08.2024
Home »  Archive  »  2024  »  Issue 82: Sover...  » 
Lead Image © Lucy Baldwin, 123RF.com
, as in Python [3] or Node [4]. Recent books have been published about writing shell commands in Rust [5], Python [6], Node.js [7], and even Go [8], and it is into this last language's interesting performance
16%
Understanding the Status of Your Filesystem
18.06.2014
Home »  HPC  »  Articles  » 
  (  0.08%)  ( 99.93% cumulative)    [2920-3650 days]:    136  (  0.04%)  ( 99.97% cumulative)    [3650-4380 days]:      3  (  0.00%)  ( 99.97% cumulative)    [4380-5110 days]:    122  (  0.03%)  (100.00% cumulative)    [5110

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