[
https://issues.apache.org/jira/browse/HAMA-526?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13236902#comment-13236902
]
Thomas Jungblut commented on HAMA-526:
--------------------------------------
bq.Do you think we can run Vertex processing concurrently using multi-threads?
Well, everything is possible.
bq.Then what's the advantages or disadvantages of using multi-threading?
Advantage would be that it maybe faster if there is no context switch. E.g if a
user configures a single task per groom server and let the graph processing be
done by multiple threads rather than multiple tasks.
The drawback is the memory usage, it will need more memory.
I actually like the Multithreaded Mapper design in MapReduce, do you think we
can add some kind of MultithreadedBSP?
> Multi-threaded vertex processing
> --------------------------------
>
> Key: HAMA-526
> URL: https://issues.apache.org/jira/browse/HAMA-526
> Project: Hama
> Issue Type: Improvement
> Components: bsp, graph
> Reporter: Edward J. Yoon
>
> {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?
--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators:
https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa
For more information on JIRA, see: http://www.atlassian.com/software/jira
