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From "Claudio Martella (JIRA)" <>
Subject [jira] [Commented] (GIRAPH-461) Convert static assignment of in-memory partitions with LRU cache
Date Mon, 04 Feb 2013 21:46:14 GMT


Claudio Martella commented on GIRAPH-461:

Alessandro, I could, but the current out-of-core graph is broken for multiple threads, so
it has to be substituted anyway. Nonetheless, IIRC, the previous OOC performance was comparable
to in-memory, as it is this one, hence I thought it did not make much sense. If you want,
I can give it a run.
> Convert static assignment of in-memory partitions with LRU cache
> ----------------------------------------------------------------
>                 Key: GIRAPH-461
>                 URL:
>             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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