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Posted to dev@hama.apache.org by "Hudson (JIRA)" <ji...@apache.org> on 2015/04/13 10:17:13 UTC
[jira] [Commented] (HAMA-526) Multi-threaded vertex processing
[ https://issues.apache.org/jira/browse/HAMA-526?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14492056#comment-14492056 ]
Hudson commented on HAMA-526:
-----------------------------
FAILURE: Integrated in Hama-trunk #370 (See [https://builds.apache.org/job/Hama-trunk/370/])
HAMA-526: Multi-threaded vertex processing (edwardyoon: rev 1673127)
* /hama/trunk/core/src/main/java/org/apache/hama/bsp/BSPPeer.java
* /hama/trunk/core/src/main/java/org/apache/hama/bsp/BSPPeerImpl.java
* /hama/trunk/core/src/main/java/org/apache/hama/bsp/message/AbstractMessageManager.java
* /hama/trunk/core/src/main/java/org/apache/hama/bsp/message/HamaMessageManagerImpl.java
* /hama/trunk/core/src/main/java/org/apache/hama/bsp/message/MessageManager.java
* /hama/trunk/core/src/main/java/org/apache/hama/bsp/message/queue/MemoryQueue.java
* /hama/trunk/core/src/main/java/org/apache/hama/bsp/message/queue/MessageQueue.java
* /hama/trunk/core/src/main/java/org/apache/hama/bsp/message/queue/SingleLockQueue.java
* /hama/trunk/core/src/main/java/org/apache/hama/bsp/message/queue/SortedMemoryQueue.java
* /hama/trunk/core/src/test/java/org/apache/hama/bsp/TestCheckpoint.java
* /hama/trunk/examples/src/main/java/org/apache/hama/examples/MaxFlow.java
* /hama/trunk/graph/src/main/java/org/apache/hama/graph/GraphJobMessage.java
* /hama/trunk/graph/src/main/java/org/apache/hama/graph/GraphJobRunner.java
* /hama/trunk/graph/src/main/java/org/apache/hama/graph/IncomingVertexMessageManager.java
* /hama/trunk/graph/src/main/java/org/apache/hama/graph/MapVerticesInfo.java
* /hama/trunk/graph/src/main/java/org/apache/hama/graph/MessagePerVertex.java
* /hama/trunk/graph/src/main/java/org/apache/hama/graph/VerticesInfo.java
> Multi-threaded vertex processing
> --------------------------------
>
> Key: HAMA-526
> URL: https://issues.apache.org/jira/browse/HAMA-526
> Project: Hama
> Issue Type: Sub-task
> Components: bsp core, graph
> Reporter: Edward J. Yoon
> Assignee: Edward J. Yoon
> Attachments: patch.txt
>
>
> {code}
> public void bsp(BSPPeer peer) throws IOException, SyncException,
> InterruptedException {
>
> ...
> while (updated && iteration < maxIteration) {
> peer.sync();
> ...
> for (Map.Entry<String, LinkedList<Writable>> e : msgMap.entrySet()) {
> if (e.getValue().size() > 0) {
> vertices.get(e.getKey()).compute(e.getValue().iterator());
> }
> }
> ...
> }
> {code}
> Above code will run Vertex sequentially. Do you think we can run Vertex processing concurrently using multi-threads?
> Then what's the advantages or disadvantages of using multi-threading?
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