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To: user@cassandra.apache.org
From: Aaron Morton <aaron@thelastpickle.com>
Subject: Re: Solr DataImportHandler (DIH) and Cassandra
Date: Wed, 01 Dec 2010 22:54:45 GMT
Message-id: <1f578ef8-c537-cdb9-ba16-e0f00f3c7724@me.com>
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Try the solr source code.=A0=0AAaron=0A=0AOn 30 Nov, 2010,at 01:37 PM, Mar=
k <static.void.dev@gmail.com> wrote:=0A=0AThe DataSource subclass route is=
 what I will probably be interested in. Are there are working examples of =
this already out there? =0A=0AOn 11/29/10 12:32 PM, Aaron Morton wrote:=0A=
AFAIK there is nothing pre-written to pull the data out for you.=A0=0A=0AY=
ou should be able to create your DataSource sub class=A0http://lucene.apac=
he.org/solr/api/org/apache/solr/handler/dataimport/DataSource.html=A0Using=
 the Hector java library to pull data from Cassandra.=A0=0A=0A=0AI'm guess=
ing you=A0will need to consider how to perform delta imports. Perhaps usin=
g the secondary indexes in 0.7* , or maintaining your own queues or indexe=
s to know what has changed.=A0=0A=0AThere is also the Lucandra project, no=
t exactly what your after but may be of interest anyway=A0 https://github.=
com/tjake/Lucandra=0A=0AHope that helps.=0AAaron=0A=0A=0AOn 30 Nov, 2010,a=
t 05:04 AM, Mark <static.void.dev@gmail.com> wrote:=0A=0AIs there anyway t=
o use DIH to import from Cassandra? Thanks=0A
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<html><body><div>Try the solr source code.&nbsp;</div><div>Aaron</div><div><br>On 30 N=
ov, 2010,at 01:37 PM, Mark &lt;static.void.dev@gmail.com&gt; wrote:<br><br=
></div><div><blockquote type=3D"cite"><div text=3D"#000000" bgcolor=3D"#ff=
ffff">=0A    The DataSource subclass route is what I will probably be inte=
rested=0A    in. Are there are working examples of this already out there?=
 =0A=0A  =0A    =0A  =0A  <br>=0A    <br>=0A    On 11/29/10 12:32 PM, Aaro=
n Morton wrote:=0A    <blockquote cite=3D"" type=3D"cite">=0A      <div>AF=
AIK there is nothing pre-written to pull the data out for=0A        you.&n=
bsp;</div>=0A      <div><br>=0A      </div>=0A      <div>You should be abl=
e to create your DataSource sub class&nbsp;<a href=3D"http://lucene.apache=
org/solr/api/org/apache/solr/handler/dataimport/DataSource.html" _mce_hre=
f=3D"http://lucene.apache.org/solr/api/org/apache/solr/handler/dataimport/=
DataSource.html">http://lucene.apache.org/solr/api/org/apache/solr/handler=
/dataimport/DataSource.html</a>&nbsp;Using=0A        the Hector java libra=
ry to pull data from Cassandra.&nbsp;</div>=0A      <div><br></div>=0A    =
  <div><br>=0A      </div>=0A      <div>I'm guessing you&nbsp;will need to=
 consider how to perform delta=0A        imports. Perhaps using the second=
ary indexes in 0.7* , or=0A        maintaining your own queues or indexes =
to know what has=0A        changed.&nbsp;</div>=0A      <div><br>=0A      =
</div>=0A      <div>There is also the Lucandra project, not exactly what y=
our=0A        after but may be of interest anyway&nbsp;=0A        =0A     =
   <a href=3D"https://github.com/tjake/Lucandra" _mce_href=3D"https://gith=
ub.com/tjake/Lucandra">https://github.com/tjake/Lucandra</a></div>=0A     =
 <div><br>=0A      </div>=0A      <div>Hope that helps.</div>=0A      <div=
>Aaron</div>=0A      <div><br>=0A        <br>=0A        On 30 Nov, 2010,at=
 05:04 AM, Mark=0A        <a class=3D"moz-txt-link-rfc2396E" href=3D"mailt=
o:static.void.dev@gmail.com" _mce_href=3D"mailto:static.void.dev@gmail.com=
">&lt;static.void.dev@gmail.com&gt;</a> wrote:<br>=0A        <br>=0A      =
</div>=0A      <div>=0A        <blockquote type=3D"cite">=0A          <div=
>=0A            <div class=3D"_stretch">Is there anyway to use DIH to impo=
rt=0A              from Cassandra? Thanks<br>=0A            </div>=0A     =
     </div>=0A        </blockquote>=0A      </div>=0A    </blockquote>=0A =
 =0A=0A</div></blockquote></div></body></html>
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