On Thu, 10 Aug 2000, Steve Lord wrote:
> > Steve Lord <lord@xxxxxxx> wrote:
> > > This adds a new /proc/sys/vm/pagebuf interface which lets you
> > > tune a number of pagebuf parameters at runtime. The format is
> > > as follows:
> > > # cat /proc/sys/vm/pagebuf
> > > 100 1500 100 128 2048
> > > The numbers are, in order:
> > > o sleep interval for the delayed write pagebuf thread - writes out
> > > dirty metadata, value in HZ
> > > o age of delayed write metadata buffers before they are written,
> > > value in HZ
> > > o sleep interval for page cleaner thread, value in HZ
> > > o maximum cluster size of I/O for delayed allocation conversions,
> > > value in pages.
> > > o maximum delayed allocate pages allowed before page cleaner thread
> > > woken up.
> > are those parameters (and all the other stuff behind /proc/fs/xfs)
> > anywhere documented ? - if not it would be a good idea to leave at
> > least a basic documentation of then in linux/Documentation/sysctl/
> > just an idea
> You are correct, there needs to be some documentation to go with this,
> I am going to be changing how the sysctl interface is presented to be
> a one parameter per file interface in /proc.
that is much better - combined with good names
> We have a perl script which interprets the xfs statistics, that should
> go into the tree, also the pcp package understands them:
can you put up this script somewhere into the sources - maybe it can
at least to help finding out the meanings of all the variables ...
> I still need to get back to you on the power pc stuff, I'm a bit buried
> at the moment.
oh yeah - i'm ready :-) - but do all that in the order you like or
have to do it ...
technical director innominate AG
clustering & security networking people
tel: +49.30.308806-13 fax: -77 http://innominate.de