Re: TCP_REFRESH_HIT - stillhave the problem

Not really, except that diskd is not much tested on Linux as the aufs
store is generally performing better there.

Quite likely it is a matter of too low concurrency, causing something to
get stuck in a I/O queue somewhere. Needs to be looked into before we
can release 2.5 I think.

Regards
Henrik

Klavs Klavsen wrote:
>
> Hi Henrik,
>
> Did you see that I found the reason for the freezes?
>
> It was the diskd cache_dir.. I changed it to UFS.. and voila.. it no longer
> freezes..
>
> Of course I'm saddened by this, as Diskd is suppose to give 20-30% better
> performance..
>
> Anybody have any ideas why diskd has a problem.. I'm running linux kernel
> 2.4.13-pre2.. and the cache_dir is on reiserfs.
>
> -------------| This mail has been sent to you by: |------------
> Klavs Klavsen, IT-coordinator and Systems Administrator at
> Metropol Online - http://www.metropol.dk
> Tlf. 33752700, Fax 33752720, Email ktk@metropol.dk
>
> Private- Email klavs@klavsen.net - http://www.vsen.dk
>
> --------------------[ I believe that... ]-----------------------
> It is a myth that people resist change. People resist what other
> people make them do, not what they themselves choose to do...
> That's why companies that innovate successfully year after year
> seek their peopl's ideas, let them initiate new projects and
> encourage more experiments. -- Rosabeth Moss Kanter
>
> Klavs Klavsen wrote:
>
> > I seem to have found the problem:
> >
> > I set reload_into_ims off and it now takes everything from the cache -
> > unless I purge a URL..
>
> Ok. Makes sense as that option is for turning a shift+reload request
> into a IMS request by Squid.
>
> > However this change, stabilized the freeze problem.. it now freezes
> almost
> > everytime I access one of the two sites..
>
> Ok. So you most likely have problem with cache hits then.
>
> Regards
> Henrik
Received on Fri Oct 26 2001 - 08:24:42 MDT