I am using ssh and an rsync script I wrote to incrementally back up my three Win7 computer drives nightly.
I am concerned that my MyCloud ‘top’ load averages start out at about 5 when my backup starts and gradually increase to over 25 by the time my third drive finishes.
Wait time seems very high. Free mem and swap seem OK.
Is there anything I can do to get my load averages down?
MyHomeCloud:~# top -b -n 1 | awk '{if (NR <=7) print; else if ($8 == "D") {print; count++} } END {print "Total status D: "count}'
top - 16:19:42 up 6:36, 1 user, load average: 19.75, 20.16, 17.41
Tasks: 104 total, 1 running, 103 sleeping, 0 stopped, 0 zombie
%Cpu(s): 2.0 us, 5.1 sy, 0.3 ni, 37.1 id, 54.5 wa, 0.0 hi, 1.0 si, 0.0 st
KiB Mem: 232320 total, 184576 used, 47744 free, 7296 buffers
KiB Swap: 500672 total, 197312 used, 303360 free, 3392 cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
6920 root 20 0 846m 2048 640 D 5.2 0.9 1:04.08 restsdk-server
15285 root 20 0 5504 2112 576 D 5.2 0.9 1:01.77 rsync
3 root 20 0 0 0 0 D 0.0 0.0 0:00.00 cpu1_hotplug_th
293 root 20 0 0 0 0 D 0.0 0.0 2:30.65 kswapd0
393 root -2 0 0 0 0 D 0.0 0.0 0:07.91 btn_t
2474 root 20 0 0 0 0 D 0.0 0.0 1:11.80 pfe_ctrl_timer
4700 root 20 0 56128 256 0 D 0.0 0.1 0:10.59 apache2
14551 root 39 19 6080 0 0 D 0.0 0.0 0:59.66 du
15282 root 20 0 12736 576 64 D 0.0 0.2 0:09.94 sshd
15290 root 20 0 43584 2752 512 D 0.0 1.2 0:25.38 rsync
15821 www-data 20 0 63040 64 64 D 0.0 0.0 0:02.70 apache2
15825 www-data 20 0 62976 64 64 D 0.0 0.0 0:02.73 apache2
15827 www-data 20 0 63040 128 128 D 0.0 0.1 0:03.09 apache2
15829 www-data 20 0 63040 192 128 D 0.0 0.1 0:02.32 apache2
15832 www-data 20 0 63040 640 192 D 0.0 0.3 0:02.36 apache2
15835 www-data 20 0 63040 832 256 D 0.0 0.4 0:02.55 apache2
15842 www-data 20 0 63040 448 192 D 0.0 0.2 0:02.44 apache2
15844 www-data 20 0 63040 384 192 D 0.0 0.2 0:02.40 apache2
15847 www-data 20 0 63040 192 0 D 0.0 0.1 0:02.30 apache2
15914 www-data 20 0 61568 576 192 D 0.0 0.2 0:00.76 apache2
Total status D: 20
MyHomeCloud:~#