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https://issues.apache.org/jira/browse/GIRAPH-1034?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14964323#comment-14964323
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Hudson commented on GIRAPH-1034:
--------------------------------
FAILURE: Integrated in Giraph-trunk-Commit #1571 (See
[https://builds.apache.org/job/Giraph-trunk-Commit/1571/])
GIRAPH-1034 Allow IPs for Worker2Worker communication (edunov:
[http://git-wip-us.apache.org/repos/asf?p=giraph.git&a=commit&h=b735f02bde1ed684eb0d0db2ec125d26d103aced])
* giraph-core/src/main/java/org/apache/giraph/comm/netty/NettyClient.java
* giraph-core/src/main/java/org/apache/giraph/comm/MasterServer.java
* giraph-core/src/test/java/org/apache/giraph/comm/SaslConnectionTest.java
* giraph-core/src/main/java/org/apache/giraph/comm/netty/NettyWorkerServer.java
* giraph-core/src/main/java/org/apache/giraph/graph/TaskInfo.java
* giraph-core/src/main/java/org/apache/giraph/worker/BspServiceWorker.java
* giraph-core/src/main/java/org/apache/giraph/conf/GiraphConfiguration.java
* giraph-core/src/test/java/org/apache/giraph/comm/ConnectionTest.java
* giraph-core/src/main/java/org/apache/giraph/comm/netty/NettyServer.java
* giraph-core/src/main/java/org/apache/giraph/conf/GiraphConstants.java
* giraph-core/src/main/java/org/apache/giraph/comm/WorkerServer.java
* giraph-core/src/test/java/org/apache/giraph/comm/RequestTest.java
* giraph-core/src/main/java/org/apache/giraph/comm/netty/NettyMasterServer.java
*
giraph-core/src/test/java/org/apache/giraph/partition/SimpleRangePartitionFactoryTest.java
* giraph-core/src/main/java/org/apache/giraph/master/BspServiceMaster.java
* giraph-core/src/test/java/org/apache/giraph/comm/RequestFailureTest.java
> 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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