Maja Kabiljo created GIRAPH-1085:
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Summary: Add InMemoryDataAccessor
Key: GIRAPH-1085
URL: https://issues.apache.org/jira/browse/GIRAPH-1085
Project: Giraph
Issue Type: New Feature
Reporter: Maja Kabiljo
Assignee: Maja Kabiljo
When we deal with graphs which have a lot of vertices with very little total
data associated with them (values + edges) we start experiencing memory
problems because of too many objects created, since every vertex has multiple
objects associated with it. To solve this problem, we should have a serialized
partition representation (current ByteArrayPartition just keeps byte[] per
vertex, not per partition). We can leverage the out-of-core infrastructure and
just add data accessor which won't be backed by disk but in memory buffers.
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