We use BackupPC at work on an Ubuntu server. It has gotten extremely slow
during the past 2 weeks and I haven't been able to figure out why. It always
worked perfectly before. It takes about 10-15 minutes to start back up after
shutdown. Any commands issued via SSH are also extremely delayed.
There is more than enough RAM and the CPU is barely touched. Here's my out put
of top:
top - 14:56:10 up 1:10, 1 user, load average: 1.04, 1.38, 2.14
Tasks: 116 total, 1 running, 115 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.0%us, 0.1%sy, 0.0%ni, 99.8%id, 0.0%wa, 0.0%hi, 0.2%si, 0.0%st
Mem: 8080268k total, 658308k used, 7421960k free, 281704k buffers
Swap: 4194300k total, 0k used, 4194300k free, 53052k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
1073 backuppc 20 0 51984 14m 2184 S 0 0.2 0:03.68 BackupPC_trashC
1034 backuppc 20 0 62848 12m 1736 S 0 0.2 0:00.14 BackupPC
1050 snmp 20 0 47552 4904 2560 S 0 0.1 0:00.41 snmpd
1105 www-data 20 0 342m 4392 1256 S 0 0.1 0:00.02 apache2
1106 www-data 20 0 342m 3816 1268 S 0 0.0 0:00.01 apache2
1212 root 20 0 20960 3644 1624 S 0 0.0 0:00.17 bash
1181 root 20 0 70676 3384 2624 S 0 0.0 0:00.21 sshd
1479 root 20 0 70676 3348 2604 S 0 0.0 0:00.02 sshd
1100 root 20 0 71528 2816 1368 S 0 0.0 0:00.06 apache2
1103 www-data 20 0 71260 2000 572 S 0 0.0 0:00.00 apache2
922 syslog 20 0 123m 1928 1040 S 0 0.0 0:00.03 rsyslogd
1 root 20 0 23640 1864 1288 S 0 0.0 0:00.92 init
1564 root 20 0 19280 1304 964 R 0 0.0 0:02.13 top
444 root 16 -4 17408 1252 344 S 0 0.0 0:00.03 udevd
1262 root 20 0 49316 1116 556 S 0 0.0 0:00.00 sshd
605 root 18 -2 17280 1104 312 S 0 0.0 0:00.00 udevd
606 root 18 -2 17280 1096 304 S 0 0.0 0:00.00 udevd
1021 root 20 0 21132 1000 764 S 0 0.0 0:00.00 cron
442 root 20 0 17236 896 596 S 0 0.0 0:00.03 upstart-udev-br
1493 root 20 0 12524 888 720 S 0 0.0 0:00.00 sftp-server
988 root 20 0 6132 672 564 S 0 0.0 0:00.00 getty
996 root 20 0 6132 672 564 S 0 0.0 0:00.00 getty
998 root 20 0 6132 672 564 S 0 0.0 0:00.00 getty
1180 root 20 0 6132 672 564 S 0 0.0 0:00.00 getty
991 root 20 0 6132 668 564 S 0 0.0 0:00.00 getty
994 root 20 0 6132 668 564 S 0 0.0 0:00.00 getty
1004 root 20 0 11364 640 496 S 0 0.0 0:00.23 irqbalance
1061 root 20 0 12776 568 368 S 0 0.0 0:00.01 mdadm
1020 daemon 20 0 18936 384 216 S 0 0.0 0:00.00 atd
2 root 20 0 0 0 0 S 0 0.0 0:00.00 kthreadd
3 root 20 0 0 0 0 S 0 0.0 0:00.00 ksoftirqd/0
4 root RT 0 0 0 0 S 0 0.0 0:00.00 migration/0
5 root RT 0 0 0 0 S 0 0.0 0:00.00 watchdog/0
6 root RT 0 0 0 0 S 0 0.0 0:01.39 migration/1
7 root 20 0 0 0 0 S 0 0.0 0:00.08 ksoftirqd/1
8 root RT 0 0 0 0 S 0 0.0 0:00.00 watchdog/1
9 root RT 0 0 0 0 S 0 0.0 0:00.00 migration/2
10 root 20 0 0 0 0 S 0 0.0 0:00.01 ksoftirqd/2
11 root RT 0 0 0 0 S 0 0.0 0:00.00 watchdog/2
12 root RT 0 0 0 0 S 0 0.0 0:00.05 migration/3
13 root 20 0 0 0 0 S 0 0.0 0:00.01 ksoftirqd/3
14 root RT 0 0 0 0 S 0 0.0 0:00.00 watchdog/3
15 root 20 0 0 0 0 S 0 0.0 0:00.05 events/0
16 root 20 0 0 0 0 S 0 0.0 0:00.03 events/1
17 root 20 0 0 0 0 S 0 0.0 0:00.06 events/2
18 root 20 0 0 0 0 S 0 0.0 0:00.04 events/3
Here is the output of free.
total used free shared buffers cached
Mem: 8080268 658392 7421876 0 281712 53064
-/+ buffers/cache: 323616 7756652
Swap: 4194300 0 4194300
Thanks in advance.
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