Re: does btrfs have RAID I/O throughput (un)limiting sysctls, similar to md?

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Am Samstag 06 Februar 2010 schrieben Sie:
> On Sat, Feb 6, 2010 at 5:10 AM, Daniel J Blueman
> 
> <daniel.blueman@xxxxxxxxx> wrote:
> > These proc entries affect just array reconstruction, not general I/O
> > performance/throughput, so affect just an edge-case of applications
> > requiring maximum latency/minimum throughout guarantees.
> 
> although i'd 1st seen the perf hit at the (re)construction stage, i
> didn't recognize that the sysctls were limited to that case.

Limiting rebuild throughput helps to have productively running 
applications getting their share of I/O during RAID rebuilds.
 
> so, iiuc, btrfs has no such issues?

Issues? I would call that a feature, not an issue.

-- 
Martin 'Helios' Steigerwald - http://www.Lichtvoll.de
GPG: 03B0 0D6C 0040 0710 4AFA  B82F 991B EAAC A599 84C7

Attachment: signature.asc
Description: This is a digitally signed message part.


[Index of Archives]     [Linux Filesystem Development]     [Linux NFS]     [Linux NILFS]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux