19%
11.02.2016
.40 <- < 71% idle >
0 1.00 0.00 0.37 0.00 0.00 0.06 0.00 0.00 0.00 98.57
1 100.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
2 3.77 0.00
19%
05.03.2014
-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
19%
20.03.2014
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
18%
12.02.2014
.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
18%
15.08.2016
-> ../../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
18%
27.08.2014
.2% (53.2% cumulative)
20.1 GB 4.9% (58.0% cumulative)
22.4 GB 4.5% (62.5% cumulative)
24.6 GB 4.1% (66.7% cumulative)
26.8 GB 3.8% (70.5% cumulative)
29.1 GB 3.2% (73.7% cumulative)
31.3 GB 3.0% (76.6% cumulative)
33
18%
11.04.2016
/s wMB/s avgrq-sz ...
sdb 0.00 28.00 1.00 259.00 0.00 119.29 939.69 ...
Parallelism
Multiple computers can access enterprise storage, and multiple threads can access
18%
11.04.2016
-fastcgi are running, as expected.
Listing 1
Process List
root 589 0.0 0.3 142492 3092 ? Ss 20:35 0:00 nginx: master process
/usr/sbin/nginx -g daemon on; master_process on;
www
17%
18.07.2013
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
17%
30.01.2020
=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
