Sergey Edunov created GIRAPH-895:
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Summary: Trim the edges in Giraph
Key: GIRAPH-895
URL: https://issues.apache.org/jira/browse/GIRAPH-895
Project: Giraph
Issue Type: Improvement
Components: graph
Reporter: Sergey Edunov
In many Giraph applications, graphs are immutable, but edges are never trimmed
to the proper size, after input phase. This means that on average we often use
1.5x memory for storing them. Considering we are often memory bounded, adding
an option to trim the edges after the input phase will help reduce this excess
memory usage. For mutable graphs, we can also provide an option for the same
method to be called after each superstep.
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