19%
26.01.2012
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
18%
26.02.2014
of time writing: 0 ms
sdd1 :
Number of reads: 1,544 Number of bytes: 77.75 M Read Rate: 0.00 B/s
Amount of time reading: 12,477 ms
Number of writes: 18,263 Number of bytes: 148.16 M
18%
02.08.2021
with a different size (Listing 3). The output from the second command verifies that the RAM drives were created.
Listing 3
Adding RAM Drive of 32MB
$ sudo rapiddisk -a 32
rapiddisk 7.2.0
Copyright
18%
20.03.2014
%iowait %steal %idle
12:15:01 all 2.08 0.00 0.96 0.02 0.00 96.94
12:25:01 all 1.96 0.00 0.82 0.06 0.00 97.16
12:35:01 PM
18%
18.07.2013
100
100
000
Old_age
Always
–
2456
12
Power_Cycle_Count
0x0032
100
100
000
Old_age
Always
17%
12.05.2021
drives from its SAS counterpart (Listing 5).
Listing 5: smartctl
on SATA Drive
$ sudo smartctl -a /dev/sda
smartctl 7.1 2019-12-30 r5022 [x86_64-linux-5.4.0-66-generic] (local build)
Copyright (C) 2002
17%
30.01.2020
.1989| 3.69449e-06| 3.12%| for j in range(0, p_num):
145| 12750000| 47.4793| 3.72387e-06| 3.14%| if (i != j):
146| 0| 0| 0| 0.00%|
147
17%
11.02.2016
Use of mysqld
# ps aux | egrep 'mysqld|VSZ'
USER PID %CPU %MEM VSZ RSS START TIME COMMAND
mysql 1568 0.0 0.0 4440 744 Sep08 0:00 mysqld_safe
mysql 2337 0.1 5.9 29163040
17%
14.11.2013
Controller
login2$ ls -s /sys/devices/system/edac/mc/mc0
total 0
0 ce_count 0 csrow1 0 csrow4 0 csrow7 0 reset_counters 0 size_mb
0 ce_noinfo_count 0 csrow2 0 csrow5 0 device 0 sdram
17%
13.12.2018
disk reads: 1306 MB in 3.00 seconds = 434.77 MB/sec
federico@cybertron:~$ sudo hdparm -W /dev/sdb
/dev/sdb:
write-caching = 1 (on)
federico@cybertron:~$ sudo hdparm -W 0 /dev/sdb
/dev/sdb:
write
