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From: Drew Kutcharian <drew@venarc.com>
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Subject: Re: Cassandra instead of memcached
Date: Tue, 5 Mar 2013 09:51:21 -0800
References: <1AF6A63F-43D8-4F48-B0CB-78DF9E94D382@venarc.com>
 <692C4AA7-7C01-4966-AFC2-902758E7BA37@instaclustr.com>
To: user@cassandra.apache.org
In-Reply-To: <692C4AA7-7C01-4966-AFC2-902758E7BA37@instaclustr.com>


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Thanks Ben, that article was actually the reason I started thinking =
about removing memcached.

I wanted to see what would be the optimum config to use C* as an =
in-memory store.

-- Drew


On Mar 5, 2013, at 2:39 AM, Ben Bromhead <ben@instaclustr.com> wrote:

> Check out =
http://techblog.netflix.com/2012/07/benchmarking-high-performance-io-with.=
html
>=20
> Netflix used Cassandra with SSDs and were able to drop their memcache =
layer. Mind you they were not using it purely as an in memory KV store.
>=20
> Ben
> Instaclustr | www.instaclustr.com | @instaclustr
>=20
>=20
>=20
> On 05/03/2013, at 4:33 PM, Drew Kutcharian <drew@venarc.com> wrote:
>=20
>> Hi Guys,
>>=20
>> I'm thinking about using Cassandra as an in-memory key/value store =
instead of memcached for a new project (just to get rid of a dependency =
if possible). I was thinking about setting the replication factor to 1, =
enabling off-heap row-cache and setting gc_grace_period to zero for the =
CF that will be used for the key/value store.
>>=20
>> Has anyone tried this? Any comments?
>>=20
>> Thanks,
>>=20
>> Drew
>>=20
>>=20
>=20


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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html =
charset=3Dus-ascii"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space; =
">Thanks Ben, that article was actually the reason I started thinking =
about removing memcached.<div><br></div><div>I wanted to see what would =
be the optimum config to use C* as an in-memory =
store.</div><div><br></div><div>-- =
Drew<br><div><br></div><div><br><div><div>On Mar 5, 2013, at 2:39 AM, =
Ben Bromhead &lt;<a =
href=3D"mailto:ben@instaclustr.com">ben@instaclustr.com</a>&gt; =
wrote:</div><br class=3D"Apple-interchange-newline"><blockquote =
type=3D"cite"><meta http-equiv=3D"Content-Type" content=3D"text/html =
charset=3Dus-ascii"><div style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Check =
out&nbsp;<a =
href=3D"http://techblog.netflix.com/2012/07/benchmarking-high-performance-=
io-with.html">http://techblog.netflix.com/2012/07/benchmarking-high-perfor=
mance-io-with.html</a><div><br></div><div>Netflix used Cassandra with =
SSDs and were able to drop their memcache layer. Mind you they were not =
using it purely as an in memory KV store.</div><div><br><div>
<div><div><div>Ben</div><div></div></div><div>Instaclustr |&nbsp;<a =
href=3D"https://www.instaclustr.com/">www.instaclustr.com</a>&nbsp;|&nbsp;=
<a =
href=3D"http://twitter.com/instaclustr">@instaclustr</a></div></div><div><=
br></div><br class=3D"Apple-interchange-newline">
</div>
<br><div><div>On 05/03/2013, at 4:33 PM, Drew Kutcharian &lt;<a =
href=3D"mailto:drew@venarc.com">drew@venarc.com</a>&gt; wrote:</div><br =
class=3D"Apple-interchange-newline"><blockquote type=3D"cite">Hi =
Guys,<br><br>I'm thinking about using Cassandra as an in-memory =
key/value store instead of memcached for a new project (just to get rid =
of a dependency if possible). I was thinking about setting the =
replication factor to 1, enabling off-heap row-cache and setting =
gc_grace_period to zero for the CF that will be used for the key/value =
store.<br><br>Has anyone tried this? Any =
comments?<br><br>Thanks,<br><br>Drew<br><br><br></blockquote></div><br></d=
iv></div></blockquote></div><br></div></div></body></html>=

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