On 1/3/2011 12:57 PM, Tom Sommer wrote:
> I'm currently restoring 1.5 mill. files and it's taking forever.
>
> bacula-sd is using 100% CPU, disk IO is apparently low, so I assume it's
> a CPU issue.
>
> My machine has 16GB RAM and 2 CPUs:
>
> top - 18:54:53 up 75 days, 10:16, 3 users, load average: 1.00, 1.00, 1.00
> Tasks: 172 total, 1 running, 171 sleeping, 0 stopped, 0 zombie
> Cpu0 : 85.3%us, 1.0%sy, 0.0%ni, 12.7%id, 0.0%wa, 0.0%hi, 1.0%si,
> 0.0%st
> Cpu1 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si,
> 0.0%st
> Cpu2 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si,
> 0.0%st
> Cpu3 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si,
> 0.0%st
> Cpu4 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si,
> 0.0%st
> Cpu5 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si,
> 0.0%st
> Cpu6 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si,
> 0.0%st
> Cpu7 : 11.9%us, 0.0%sy, 0.0%ni, 88.1%id, 0.0%wa, 0.0%hi, 0.0%si,
> 0.0%st
> Mem: 16429812k total, 16345744k used, 84068k free, 1272k buffers
> Swap: 3124632k total, 184k used, 3124448k free, 5690688k cached
>
> PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
> 4014 root 18 0 109m 19m 1264 S 100.3 0.1 135:07.23 bacula-sd
>
>
> As you can see the process takes 100% CPU usage, on 1 core. Is there any
> way to make Bacula use all cores? or any other way to speed up the
> restore - By the looks of it, it could take days to restore the data.
What stage of the restore is occurring? is it building the file tree?
Has the restore started?
--
Dan Langille - http://langille.org/
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