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https://issues.apache.org/jira/browse/GIRAPH-1071?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15332226#comment-15332226
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Hassan Eslami commented on GIRAPH-1071:
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https://reviews.facebook.net/D58509
> Make out-of-core capable of handling massive mutations
> ------------------------------------------------------
>
> Key: GIRAPH-1071
> URL: https://issues.apache.org/jira/browse/GIRAPH-1071
> Project: Giraph
> Issue Type: Improvement
> Reporter: Hassan Eslami
> Assignee: Hassan Eslami
>
> Currently there are three data structures that are considered as first class
> citizens in Giraph: PartitionStore, MessageStore, and EdgeStore. However, in
> some applications mutations can be large/massive, so mutations should also be
> part of the data that out-of-core mechanism keeps an eye on. For this reason,
> first, there is a need to add MutationStore as one of the first class
> citizens amongst data-heavy structures in Giraph. Second, we should add a
> disk-backed mutation store to have mutations as part of data out-of-core
> mechanism deals with.
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