Re: [Bacula-users] Network transfer Speed

Steve,

Here is a quick snap of my top during a full backup.

top - 09:32:35 up 1 day, 18:38,  1 user,  load average: 11.41, 11.60,
10.75
Tasks: 161 total,   1 running, 160 sleeping,   0 stopped,   0 zombie
Cpu0  :  0.3%us,  0.3%sy,  0.0%ni,  0.0%id, 99.4%wa,  0.0%hi,  0.0%si,
0.0%st
Cpu1  : 13.0%us,  1.4%sy,  0.0%ni, 18.1%id, 66.9%wa,  0.0%hi,  0.6%si,
0.0%st
Cpu2  :  1.9%us,  0.3%sy,  0.0%ni,  0.0%id, 97.8%wa,  0.0%hi,  0.0%si,
0.0%st
Cpu3  :  0.6%us,  1.3%sy,  0.0%ni, 22.7%id, 74.8%wa,  0.0%hi,  0.6%si,
0.0%st
Cpu4  :  0.6%us,  0.3%sy,  0.0%ni,  0.0%id, 99.1%wa,  0.0%hi,  0.0%si,
0.0%st
Cpu5  :  0.6%us,  0.0%sy,  0.0%ni, 20.8%id, 78.3%wa,  0.0%hi,  0.3%si,
0.0%st
Cpu6  :  0.4%us,  0.7%sy,  0.0%ni, 52.5%id, 46.5%wa,  0.0%hi,  0.0%si,
0.0%st
Cpu7  :  0.6%us,  0.3%sy,  0.0%ni,  7.6%id, 91.5%wa,  0.0%hi,  0.0%si,
0.0%st
Mem:   4057152k total,  4035996k used,    21156k free,    14372k buffers
Swap:  8000360k total,     1536k used,  7998824k free,  3852936k cached

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND

 6118 root      20   0 60388 2212 1296 S   24  0.1 102:35.41 bacula-fd

 6240 root      20   0  130m 2092 1348 S    3  0.1 227:19.75 bacula-sd

23214 hayden    20   0 18992 1308  932 R    1  0.0   0:00.24 top


There are many occasions where the bacula-sd and bacula-fd have between
10-50% and all the wait percentages are through the roof as you see
above. Also as you can see the load average is also through the roof.

-H

-----Original Message-----
From: Steve Polyack [mailto:korvus AT comcast DOT net] 
Sent: Wednesday, December 09, 2009 10:37 AM
To: Hayden Katzenellenbogen
Cc: mehma sarja; bacula-users AT lists.sourceforge DOT net
Subject: Re: [Bacula-users] Network transfer Speed

Hayden Katzenellenbogen wrote:
> Everyone,
>  
> Here is a little update. I finally after many months have been able to

> run my first restore.
>  
> I started an 800G restore. Which is half of my 1.7TB backup.
>  
> I ran iostat while it was restoring and was getting between 50 and 140

> Meg/s. I would say the average is around 85Meg/s.
>  
> This is performing a restore to the raid-6 array. Not sure if this 
> information helps or hinders the issue at hand.
>  
> Thanks again for all the good suggestions.
>  
> -H
Do you have data encryption enabled? Also, I notice you've mentioned 
checking iostat during your backups, but have you watched top(1) to 
monitor CPU usage during the backup? 


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