Sergey Edunov created GIRAPH-1034:
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Summary: Allow IPs for Worker2Worker communication
Key: GIRAPH-1034
URL: https://issues.apache.org/jira/browse/GIRAPH-1034
Project: Giraph
Issue Type: Improvement
Reporter: Sergey Edunov
Assignee: Sergey Edunov
For worker2worker communication, we use O(n^2) DNS lookups, where n is the
number of workers. If network infrastructure is less reliable, combined with a
large number of workers, these DNS lookups occasionally fail.
Fortunately, we don't always need DNS lookups, as in many clusters hosts can
communicate with each other directly using IP addresses. Let's add a
configuration option to use IP address instead of the host name.
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