From: Sebastian Parschauer <sebastian.riemer@profitbricks.com>
To: neilb@suse.de
Cc: linux-raid@vger.kernel.org,
Sebastian Parschauer <sebastian.riemer@profitbricks.com>
Subject: Re: [RFC PATCH 0/4] md/mdadm: introduce request function mode support
Date: Tue, 17 Jun 2014 15:20:53 +0200 [thread overview]
Message-ID: <53A040B5.5050008@profitbricks.com> (raw)
In-Reply-To: <1401901802-16296-1-git-send-email-sebastian.riemer@profitbricks.com>
Hi Neil,
have you already had the time to look at these patches?
We have this in production with cfq scheduler already on two storage
servers and customers noticed a huge performance boost. Also our
monitoring shows higher and smoother iop numbers.
Cheers,
Sebastian
On 04.06.2014 19:09, Sebastian Parschauer wrote:
> Patches apply to linux v3.15-rc8 and mdadm master commit 8a3544f895.
>
> Florian-Ewald Mueller (3):
> md: complete bio accounting and add io_latency extension
> md: introduce request function mode support
> md: handle IO latency accounting in rqfn mode
>
> Sebastian Parschauer (1):
> mdadm: introduce '--use-requestfn' create/assembly option
>
next prev parent reply other threads:[~2014-06-17 13:20 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-28 13:04 [RFC] Process requests instead of bios to use a scheduler Sebastian Parschauer
2014-06-01 23:32 ` NeilBrown
2014-06-02 9:51 ` Sebastian Parschauer
2014-06-02 10:20 ` NeilBrown
2014-06-02 11:12 ` Sebastian Parschauer
2014-06-04 17:09 ` [RFC PATCH 0/4] md/mdadm: introduce request function mode support Sebastian Parschauer
2014-06-04 17:09 ` [RFC PATCH 1/4] md: complete bio accounting and add io_latency extension Sebastian Parschauer
2014-06-04 17:10 ` [RFC PATCH 2/4] md: introduce request function mode support Sebastian Parschauer
2014-06-04 17:10 ` [RFC PATCH 3/4] md: handle IO latency accounting in rqfn mode Sebastian Parschauer
2014-06-04 17:10 ` [RFC PATCH 4/4] mdadm: introduce '--use-requestfn' create/assembly option Sebastian Parschauer
2014-06-17 13:20 ` Sebastian Parschauer [this message]
[not found] ` <CAH3kUhEK26+4KryoReosMt654-vcrkkgkxaW5tKkFRDBqgX82w@mail.gmail.com>
[not found] ` <53A14513.20902@profitbricks.com>
2014-06-18 13:57 ` [RFC PATCH 0/4] md/mdadm: introduce request function mode support Roberto Spadim
2014-06-18 14:43 ` Sebastian Parschauer
2014-06-24 7:09 ` NeilBrown
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