Re: Optimize RAID0 for max IOPS?

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

 



Dear CoolCold,

In message <AANLkTikx4g99-Cf_09kEGfF2mmf4Dnuh2A5gTrtKweDy@xxxxxxxxxxxxxx> you wrote:
>
> > So can anybody help answering these questions:
> >
> > - are there any special options when creating the RAID0 to make it
> >  perform faster for such a use case?
> > - are there other tunables, any special MD / LVM / file system /
> >  read ahead / buffer cache / ... parameters to look for?
> XFS is known for it's slow speed on metadata operations like updating
> file attributes/removing files..but things gonna change after 2.6.35
> where delaylog is used. Citating Dave Chinner :
> < dchinner> Indeed, the biggest concurrency limitation has
> traditionally been the transaction commit/journalling code, but that's
> a lot more scalable now with delayed logging....
> 
> So, you may need to benchmark fs part.

Thanks a lot - much appreciated.  The first reply that actually was on
topic...

Best regards,

Wolfgang Denk

-- 
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd@xxxxxxx
It is not best to swap horses while crossing the river.
- Abraham Lincoln
--
To unsubscribe from this list: send the line "unsubscribe linux-raid" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux RAID Wiki]     [ATA RAID]     [Linux SCSI Target Infrastructure]     [Linux Block]     [Linux IDE]     [Linux SCSI]     [Linux Hams]     [Device Mapper]     [Device Mapper Cryptographics]     [Kernel]     [Linux Admin]     [Linux Net]     [GFS]     [RPM]     [git]     [Yosemite Forum]


  Powered by Linux