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To: user@cassandra.apache.org
From: Aaron Morton <aaron@thelastpickle.com>
Subject: Re: Solr DataImportHandler (DIH) and Cassandra
Date: Mon, 29 Nov 2010 20:32:49 GMT
Message-id: <42c0242b-6e08-e2c7-fc28-8c6f3e6869dc@me.com>
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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=0AI'm guessing=
 you=A0will need to consider how to perform delta imports. Perhaps using t=
he secondary indexes in 0.7* , or maintaining your own queues or indexes t=
o know what has changed.=A0=0A=0AThere is also the Lucandra project, not e=
xactly what your after but may be of interest anyway=A0https://github.com/=
tjake/Lucandra=0A=0AHope that helps.=0AAaron=0A=0A=0AOn 30 Nov, 2010,at 05=
:04 AM, Mark <static.void.dev@gmail.com> wrote:=0A=0AIs there anyway to us=
e DIH to import from Cassandra? Thanks=0A
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<html><body><div>AFAIK there is nothing pre-written to pull the data out for you.&nbsp=
;</div><div><br></div><div>You should be able to create your DataSource su=
b class&nbsp;<a href=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 the Hector j=
ava library to pull data from Cassandra.&nbsp;</div><div><meta http-equiv=3D=
"content-type" content=3D"text/html; charset=3Dutf-8"></div><div><br></div=
><div>I'm guessing you&nbsp;will need to consider how to perform delta imp=
orts. Perhaps using the secondary indexes in 0.7* , or maintaining your ow=
n queues or indexes to know what has changed.&nbsp;</div><div><br></div><d=
iv><a href=3D"http://wiki.apache.org/solr/DataImportHandler"></a>There is =
also the Lucandra project, not exactly what your after but may be of inter=
est anyway&nbsp;<meta http-equiv=3D"content-type" content=3D"text/html; ch=
arset=3Dutf-8"><a href=3D"https://github.com/tjake/Lucandra">https://githu=
b.com/tjake/Lucandra</a></div><div><br></div><div>Hope that helps.</div><d=
iv><a href=3D"https://github.com/tjake/Lucandra"></a>Aaron</div><div><br><=
br>On 30 Nov, 2010,at 05:04 AM, Mark &lt;static.void.dev@gmail.com&gt; wro=
te:<br><br></div><div><blockquote type=3D"cite"><div><div class=3D"_stretc=
h">Is there anyway to use DIH to import from Cassandra? Thanks<br>=0A</div=
></div></blockquote></div></body></html>
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