[zfs-discuss] ZFS, DRBD, GFS and Clustering
gordan.bobic at gmail.com
Wed Oct 16 05:10:33 EDT 2013
In fairness, all cluster file systems suffer from it due to lock bouncing.
Lock caching in GFS/GFS2 helps a lot, but it takes a lot of care in design
higher up to avoid nodes from stepping all over each other's locks and
causing massive thrashing.
On Wed, Oct 16, 2013 at 9:58 AM, Reinis Rozitis <r at roze.lv> wrote:
> Performance is was also very poor on metadata-heavy workloads.
> It is still the case (well in general they can't work (easily) arround it
> since there is no dedicated service for metadata and everything is read
> from file attributes).
> There are also some issues with ZFS regarding xattrs:
> In short zfs might hiccup on some operations (mount/unmount) if large
> amount of files with xatts are deleted.
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