[lustre-discuss] Lustre optimize for spares data files ?

Robert Redl robert.redl at lmu.de
Tue Sep 8 23:32:30 PDT 2020

Dear Tung-Han,

you can use Lustre with ZFS backend and enabled compression. That has
the effect you are looking for and works very well.


Am 09.09.20 um 05:13 schrieb Tung-Han Hsieh:
> Dear All,
> I would like to ask whether Lustre file system has implemented the
> function to optimize for large sparse data files ?
> For example, a 3GB data file but with more than 80% bytes zero, can
> Lustre file system optimize the storage not actually taking the whole
> 3GB of disk space ?
> I know that some file systems (e.g., ZFS) has this function. If Lustre
> does not have it, is there a roadmap to implement it in the future ?
> Thanks for your reply in advance.
> Best Regards,
> T.H.Hsieh
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