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From "Alessandro Presta (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (GIRAPH-461) Convert static assignment of in-memory partitions with LRU cache
Date Mon, 04 Feb 2013 21:32:13 GMT

    [ https://issues.apache.org/jira/browse/GIRAPH-461?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13570646#comment-13570646
] 

Alessandro Presta commented on GIRAPH-461:
------------------------------------------

Shouldn't you compare this patch with trunk running out-of-core?
                
> Convert static assignment of in-memory partitions with LRU cache
> ----------------------------------------------------------------
>
>                 Key: GIRAPH-461
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-461
>             Project: Giraph
>          Issue Type: Sub-task
>          Components: graph
>            Reporter: Claudio Martella
>         Attachments: GIRAPH-461.patch, GIRAPH-461.patch, GIRAPH-461.patch
>
>
> Currently, the out-of-core partitions are assigned to memory or to disk statically. Using
an LRU cache should help keeping in-memory only the partitions that are actively accessed,
given a job that does not access all the graph at each superstep (traversals) and a good data
partitioning (non random).

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