[Bug 31766] Re: [Bug 31766] Re: [Bug 31766] Re: Dapper: Total starvation of GUI apps during heavy disk usage

[John Dong]

Umm, that is metadata intensity, especially if tar was dealing with small
files. IOWait is IOWait, whether from metadata or data IO.

On 5/31/06, Timothy Miller <theosib at gmail.com> wrote:
>
> >
> > For reiserfs users, note that reiserfs is pretty notorious for starving
> the system while performing heavy metadata operations (i.e.
> creating/moving/deleting files), which may be what you're seeing. CFQ
> alleviates the problem slightly, but the behavior is a reiserfs design flaw.
> Sure it may be tons faster at performing these operations, but while they're
> in progress don't expect many other disk accesses to go through :)
> >
>
> As I recall, I was seeing almost zero CPU usage while this was going
> on.  As I say, I was using tar, so it was very I/O intensive.  Very
> little of that metadata stuff was going on.
>
> --
> Dapper:  Total starvation of GUI apps during heavy disk usage
> https://launchpad.net/bugs/31766
>

-- 
Dapper:  Total starvation of GUI apps during heavy disk usage
https://launchpad.net/bugs/31766