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On Mon, Oct 29, 2007 at 11:13:09AM +0300, Dmitry Morozovsky wrote:
>=20
> [hmm, after thinking a bit I decided it would be more appropriate here, i=

n=20
> stable@]
>=20
> Dear colleagues,
>=20
> any hints to tune rrdtool with ~30k rrd files (approx 2k target devices)?
>=20
> machine is mostly IO-bound, showing 100% disk load with 8 or sometimes ev=

en 3=20
> mB/s, 300-400 tps (it's 2 SATA300 disks in gmirror)


Store it on a memory file system and take periodic snapshots. The format is
hopeless for large numbers of updates. The ganglia port's startup scripts =
show
an example of doing this.

-- Brooks

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