Claudio Martella created GIRAPH-616:
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Summary: Decouple vertices and edges in DiskBackedPartitionStore
and avoid writing back edges when the algorithm does not change topology.
Key: GIRAPH-616
URL: https://issues.apache.org/jira/browse/GIRAPH-616
Project: Giraph
Issue Type: Improvement
Reporter: Claudio Martella
Assignee: Claudio Martella
Many algorithms work on a static graph. In these cases, when running
out-of-core graph we end up writing back the edges that have not changed since
we read them. By decoupling vertices and edges, we can write back only the
freshly computed vertex values.
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