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From: Mark Kirkwood <mark.kirkwood@catalyst.net.nz>
To: Sage Weil <sage@inktank.com>, "Duan, Jiangang" <jiangang.duan@intel.com>
Cc: "ceph-devel@vger.kernel.org" <ceph-devel@vger.kernel.org>
Subject: Re: question for the new ceph-osd key/value backend
Date: Wed, 11 Dec 2013 20:12:47 +1300	[thread overview]
Message-ID: <52A8106F.30407@catalyst.net.nz> (raw)
In-Reply-To: <alpine.DEB.2.00.1312102155520.19333@cobra.newdream.net>

On 11/12/13 19:09, Sage Weil wrote:

> That is one part.  The current strategy of layering on top of a file
> system and using a write-ahead journal makes sense given the existing
> linux fs building blocks, but is far from an optimal solution for many
> workloads.  A k/v interface based on something leveldb probably performs
> much better for many small-object use-cases.  Also, a k/v backend can take
> advatange of emerging non-block storage interfaces like NVMKV, Kinetic,
> new libraries like rocksdb, etc.
>

Yeah, the pluggable backend approach seems like a really good plan.

Regards

Mark


      parent reply	other threads:[~2013-12-11  7:12 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-12-11  2:57 question for the new ceph-osd key/value backend Duan, Jiangang
2013-12-11  6:09 ` Sage Weil
2013-12-11  6:59   ` Duan, Jiangang
2013-12-11 13:52     ` Mark Nelson
2013-12-12  1:17       ` Duan, Jiangang
2013-12-11  7:12   ` Mark Kirkwood [this message]

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