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https://issues.apache.org/jira/browse/CASSANDRA-342?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12830188#action_12830188
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Jonathan Ellis commented on CASSANDRA-342:
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replying to myself:
> if you really need to run more than one hadoop jvm per machine
it looks like the minimum task jvms you can restrict hadoop to is two (one map,
one reduce), and i don't think there is a sane way to give them different
classpaths. so we need to add some kind of kludge for this, short term. (long
term, i think running the tasktracker and jobs inside the cassandra jvm still
makes the most sense for us.)
> hadoop integration
> ------------------
>
> Key: CASSANDRA-342
> URL: https://issues.apache.org/jira/browse/CASSANDRA-342
> Project: Cassandra
> Issue Type: New Feature
> Components: Core
> Reporter: Jonathan Ellis
> Assignee: Jonathan Ellis
> Fix For: 0.6
>
> Attachments:
> 0001-v3-CASSANDRA-342.-Set-up-for-the-hadoop-commits.patch,
> 0001-v4-add-basic-hadoop-support-one-split-per-node.txt,
> 0001-v5-add-basic-hadoop-support-one-split-per-node.txt,
> 0002-v3-CASSANDRA-342.-Working-hadoop-support.patch,
> 0002-v4-add-wordcount-hadoop-example.txt,
> 0002-v5-add-wordcount-hadoop-example.txt,
> 0003-v3-CASSANDRA-342.-Adding-the-WordCount-example.patch,
> 0003-v4-add-WordCountSetup-multiple-tests.txt,
> 0003-v5-make-predicate-configurable.txt, 0004-v5-sub-splits.txt,
> 0005-v5-jar-packaging.txt, 0006-prevent-multiple-client-initializations.txt
>
>
> Some discussion on -dev:
> http://mail-archives.apache.org/mod_mbox/incubator-cassandra-dev/200907.mbox/%[email protected]%3e
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