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Date: Wed, 28 Oct 2015 17:11:47 -0400
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From: Jeff Garzik <jgarzik@gmail.com>
To: Sean Lynch <seanl@literati.org>
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Subject: Re: [bitcoin-dev] [patch] Switching Bitcoin Core to sqlite db
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On Wed, Oct 28, 2015 at 4:28 PM, Sean Lynch <seanl@literati.org> wrote:
> On Fri, Oct 23, 2015 at 1:23 AM Lucas Betschart via bitcoin-dev <
> bitcoin-dev@lists.linuxfoundation.org> wrote:
>
>> Facebook has a LevelDB fork which is maintained.
>> It's called RocksDB and the API seems to be nearly the same as for
>> LevelDB, thus maybe easy to replace: http://rocksdb.org/
>> https://github.com/facebook/rocksdb
>>
>> Although I don't know if we might have some negative effects for our
>> use-case since RocksDB was optimized for big databases running on multiple
>> cores.
>>
>
> While RocksDB is pretty decent, note that it's optimized for flash. Not
> sure how well it will work on spinning disks.
>
That's OK for our purposes. We have a huge database which already
incentivized having zero seek time.
--001a11443518686dcc052330a43e
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable
<div dir=3D"ltr">On Wed, Oct 28, 2015 at 4:28 PM, Sean Lynch <span dir=3D"l=
tr"><<a href=3D"mailto:seanl@literati.org" target=3D"_blank">seanl@liter=
ati.org</a>></span> wrote:<br><div class=3D"gmail_extra"><div class=3D"g=
mail_quote"><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;bo=
rder-left:1px #ccc solid;padding-left:1ex"><div dir=3D"ltr"><div class=3D"g=
mail_quote"><span class=3D""><div dir=3D"ltr">On Fri, Oct 23, 2015 at 1:23 =
AM Lucas Betschart via bitcoin-dev <<a href=3D"mailto:bitcoin-dev@lists.=
linuxfoundation.org" target=3D"_blank">bitcoin-dev@lists.linuxfoundation.or=
g</a>> wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin=
:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir=3D"ltr">F=
acebook has a LevelDB fork which is maintained.<div>It's called RocksDB=
and the API seems to be nearly the same as for LevelDB, thus maybe easy to=
replace:=C2=A0<a href=3D"http://rocksdb.org/" target=3D"_blank">http://roc=
ksdb.org/</a> =C2=A0=C2=A0<a href=3D"https://github.com/facebook/rocksdb" t=
arget=3D"_blank">https://github.com/facebook/rocksdb</a></div><div><br></di=
v><div>Although I don't know if we might have some negative effects for=
our use-case since RocksDB was optimized for big databases running on mult=
iple cores.</div></div></blockquote><div><br></div></span><div>While RocksD=
B is pretty decent, note that it's optimized for flash. Not sure how we=
ll it will work on spinning disks. =C2=A0</div></div></div>
</blockquote></div><br></div><div class=3D"gmail_extra">That's OK for o=
ur purposes.=C2=A0 We have a huge database which already incentivized havin=
g zero seek time.</div><div class=3D"gmail_extra"><br></div><div class=3D"g=
mail_extra"><br></div></div>
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