Selim Daoud wrote: > the question is: does the "IO pausing" behaviour you noticed penalize > your application? > what are the consequences at the application level? > > for instance we have seen application doing some kind of data capture > from external device (video for example) requiring a constant > throughput to disk (data feed), risking otherwise loss of data. in > this case qfs might be a better option (no free though) > if your application is not suffering, then you should be able to live > with this apparent "io hangs" > >
I would look at txg_time first... for lots of streaming writes on a machine with limited memory writes you can smooth out the sawtooth. QFS is open sourced. http://blogs.sun.com/samqfs -- richard _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
