can provide help to you."
Also, apparently hbase is working on doing something similar.
If anyone is interested in hacking on this, let me know!
sage
>
>
> -xiaoxi
> -Original Message-
> From: ceph-devel-ow...@vger.kernel.org
> [mailto:ceph-devel-ow...@vger.kernel
> -Original Message-
> From: ceph-devel-ow...@vger.kernel.org [mailto:ceph-devel-
> ow...@vger.kernel.org] On Behalf Of Haomai Wang
> Sent: Tuesday, September 08, 2015 3:58 PM
> To: Sage Weil
> Hi Sage,
>
> I notice your post in rocksdb page about make rocksdb aware of short alive
>
> On Tue, Sep 8, 2015 at 9:58 PM, Haomai Wang wrote:
> > Hi Sage,
> >
> > I notice your post in rocksdb page about make rocksdb aware of short
> > alive key/value pairs.
> >
> > I think it would be great if one keyvalue db impl could support
> > different key types with
On 09/08/2015 02:19 PM, Sage Weil wrote:
On Tue, Sep 8, 2015 at 9:58 PM, Haomai Wang wrote:
Hi Sage,
I notice your post in rocksdb page about make rocksdb aware of short
alive key/value pairs.
I think it would be great if one keyvalue db impl could support
different
On Tue, 8 Sep 2015, Mark Nelson wrote:
> On 09/08/2015 02:19 PM, Sage Weil wrote:
> > > On Tue, Sep 8, 2015 at 9:58 PM, Haomai Wang wrote:
> > > > Hi Sage,
> > > >
> > > > I notice your post in rocksdb page about make rocksdb aware of short
> > > > alive key/value pairs.
>
On Tue, Sep 8, 2015 at 10:12 PM, Gregory Farnum wrote:
> On Tue, Sep 8, 2015 at 3:06 PM, Haomai Wang wrote:
>> Hit "Send" by accident for previous mail. :-(
>>
>> some points about pglog:
>> 1. short-alive but frequency(HIGH)
>
> Is this really true? The
Hit "Send" by accident for previous mail. :-(
some points about pglog:
1. short-alive but frequency(HIGH)
2. small and related to the number of pgs
3. typical seq read/write scene
4. doesn't need rich structure like LSM or B-tree to support apis, has
obvious different to user-side/other omap
On Tue, Sep 8, 2015 at 3:06 PM, Haomai Wang wrote:
> Hit "Send" by accident for previous mail. :-(
>
> some points about pglog:
> 1. short-alive but frequency(HIGH)
Is this really true? The default length of the log is 1000 entries,
and most OSDs have ~100 PGs, so on a hard
On Tue, Sep 8, 2015 at 3:12 PM, Gregory Farnum wrote:
> On Tue, Sep 8, 2015 at 3:06 PM, Haomai Wang wrote:
>> Hit "Send" by accident for previous mail. :-(
>>
>> some points about pglog:
>> 1. short-alive but frequency(HIGH)
>
> Is this really true? The