Seong-il Lee created GIRAPH-941:
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Summary: Rexster vertices read bug
Key: GIRAPH-941
URL: https://issues.apache.org/jira/browse/GIRAPH-941
Project: Giraph
Issue Type: Bug
Environment: - Ubuntu 12.04
- Hadoop 1.2.1
- Giraph trunk
- Titan 0.4.4
Reporter: Seong-il Lee
Priority: Minor
Attachments: GIRAPH-941.patch
Problem:
When Giraph reads from Titan DB via Rexster, it uses api like below
/graphs/%s/tp/giraph/%s/rexster.offset.start=%s&rexster.offset.end=%s
- offset.start : index of start vertex
- offset.end : index of end vertex
Titan DB has 100 vertices and I want to read vertices 1 to 10.
So, I set
offset.start = 1
offset.end = 10
But, Rexster read whole vertices from Titan DB.
Reason:
giraph-rexster/giraph-kibble/src/main/java/org/apache/giraph/rexster/kibble/IteratorVertex.java
There was a vertex count variable, but it didn't work correctly. (it didn't
increase)
Solution:
Add code to increase vertex count
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