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https://issues.apache.org/jira/browse/MAHOUT-319?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13021632#comment-13021632
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Saikat Kanjilal commented on MAHOUT-319:
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Jake,
I was wondering if you still need my help for this, this is on my list to do
this week, I've been busy with other things. I can start on the writing to
disk persistence. let me know how I can help without conflicting or
duplicating your efforts.
> SVD solvers should be gracefully stoppable/restartable
> ------------------------------------------------------
>
> Key: MAHOUT-319
> URL: https://issues.apache.org/jira/browse/MAHOUT-319
> Project: Mahout
> Issue Type: Improvement
> Components: Math
> Affects Versions: 0.3
> Reporter: Jake Mannix
> Assignee: Jake Mannix
> Fix For: 0.5
>
> Attachments: MAHOUT-319.diff, MAHOUT-319.patch
>
>
> LanczosSolver, DistributedLanczosSolver, and HebbianSolver all keep copious
> amounts of memory-resident data which is lost if the app crashes or is killed
> (OOM, forgetting to run in a screen session, and losing net connectivity to
> the server running it, etc...).
> These algorithms (and many other Mahout processes!) should enable a pluggable
> "persist state" mechanism (to HDFS, RDBMS, local disk, key-value store, etc),
> and similarly, a way to pick up and start from such a state.
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