On Thu, Sep 06, 2007 at 06:31:28PM +0100, Keir Fraser wrote:
> On 6/9/07 18:29, "Mats Petersson" <mats@xxxxxxxxxxxxxxxxx> wrote:
>
> >> If I save the output from the xenstore-ls, the file has 61,318 lines
> >> with information from all the VMs run yesterday. I conclude that
> >> xenstore does not get cleared on startup. Is there a way to clear it?
> > 
> > 
> > It is perfectly fine to remove the xenstore.tdb [filename from
> > memory] in /var/xen/lib [again, from memory]. Unless of course you
> > actually NEED some of your old Xenstrore entries for soemthing, but
> > in general, they are fine to be removed completely.
>
> Yes, actually this would be something perhaps we should do from the xend
> startup script, if we can determine that xenstored is not running. It'd be
> nice to get a patch.
Or just put the database on /dev/shm so its in RAM - that way it just goes
away whenever you reboot & you reduce the disk I/O overhead xenstored has.
IIRC last time I tested it doubled xenstored performance using /dev/shm
Dan
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