Re: make buildkernel failing on zfs - fixed but now everything is slow

2010-01-24 Thread Colin

Colin wrote:

Thanks for the reply.
I must admit that the ins and outs of paging and interrupts are 
something I don't have much expertise in. I've asked the colo company 
to look into it but I've put the output of those commands into 
pastebin incase anything stands out.

http://www.pastebin.org/81107



I suspect this is an none issue now as everything is OK. My best guess 
is that the RAID array was rebuilding itself as there were a few mpt cam 
events logged overnight and the problem seems to have gone away after that.


Now I'm left with one problem which is a bit different so I'll start it 
on its own topic

Cheers for the help folks.
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Re: make buildkernel failing on zfs - fixed but now everything is slow

2010-01-23 Thread Colin

Jeremy Chadwick wrote:

On Sat, Jan 23, 2010 at 03:27:12PM +, Colin wrote:
  

There's nothing obvious that I can see in any other logfiles, are
there any tools or other things that I can use to figure out why the
system is so sluggish now?



A couple things I can think of:

vmstat -c 30 -w 1
vmstat -i
vmstat -s

  

Thanks for the reply.
I must admit that the ins and outs of paging and interrupts are 
something I don't have much expertise in. I've asked the colo company to 
look into it but I've put the output of those commands into pastebin 
incase anything stands out.

http://www.pastebin.org/81107

You guys have been very helpful these couple of months so I guess I'd 
best go find that donate button. Its the least I can do!


Cheers,
Colin.
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Re: make buildkernel failing on zfs - fixed but now everything is slow

2010-01-23 Thread Jeremy Chadwick
On Sat, Jan 23, 2010 at 03:27:12PM +, Colin wrote:
> There's nothing obvious that I can see in any other logfiles, are
> there any tools or other things that I can use to figure out why the
> system is so sluggish now?

A couple things I can think of:

vmstat -c 30 -w 1
vmstat -i
vmstat -s

-- 
| Jeremy Chadwick   [email protected] |
| Parodius Networking   http://www.parodius.com/ |
| UNIX Systems Administrator  Mountain View, CA, USA |
| Making life hard for others since 1977.  PGP: 4BD6C0CB |

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Re: make buildkernel failing on zfs - fixed but now everything is slow

2010-01-23 Thread Colin

Hi again folks.

Thanks to all the suggestions I have gotten the new world/kernel up and 
running finally, unfortunately I seem to be having problems now. The 
entire system is sluggish and unresponsive. Even trying to scroll 
through a vi session jumps and pauses all the time.


Whether it is bringing up an SSH session, something through apache or 
anything else on the system is can take anywhere up to 20 second to 
respond which is not good.


top gives me the impression that its not any kind of runaway process or 
anything like that


last pid: 78629;  load averages:  0.00,  0.03,  0.06  
116 processes: 1 running, 115 sleeping

CPU:  0.6% user,  0.0% nice,  0.6% system,  0.0% interrupt, 98.9% idle
Mem: 787M Active, 2057M Inact, 200M Wired, 101M Cache, 112M Buf, 114M Free
Swap: 8000M Total, 1708K Used, 7998M Free

There's nothing obvious that I can see in any other logfiles, are there 
any tools or other things that I can use to figure out why the system is 
so sluggish now?

Cheers
Colin.
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