Re: Writes being split based on non-aligned partition ending

2016-02-12 7:59 GMT+01:00 Sitsofe Wheeler : > CC'ing Jens Axboe. > > On 11 February 2016 at 09:54, Jens Rosenboom wrote: >> 2016-02-11 4:48 GMT+01:00 Sitsofe Wheeler : >>> Trying to cc the GNU parted and linux-block mailing lists. >>> >>> On

Re: Small writes being split with fdatasync based on non-aligned partition ending

2016-02-11 4:48 GMT+01:00 Sitsofe Wheeler : > Trying to cc the GNU parted and linux-block mailing lists. > > On 9 February 2016 at 13:02, Jens Rosenboom wrote: >> While trying to reproduce some performance issues I have been seeing >> with Ceph, I have come across a stran

Small writes being split with fdatasync based on non-aligned partition ending

While trying to reproduce some performance issues I have been seeing with Ceph, I have come across a strange behaviour which is seemingly affected only by the end point (and thereby the size) of a partition being an odd number of sectors. Since all documentation about alignment only refers to the s