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https://issues.apache.org/jira/browse/HAMA-515?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Thomas Jungblut updated HAMA-515:
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Attachment: HAMA-515.patch
This is a huge refactoring task...
The patch is just a first rough sketch on how it could look like.
I'm going to serialize the counters of a task in every superstep and put it
into ZK. The whole counters are not going to be transferred via RPC anymore.
> Counter should be synchronized by sync()
> ----------------------------------------
>
> Key: HAMA-515
> URL: https://issues.apache.org/jira/browse/HAMA-515
> Project: Hama
> Issue Type: New Feature
> Affects Versions: 0.4.0
> Reporter: Thomas Jungblut
> Assignee: Thomas Jungblut
> Priority: Minor
> Fix For: 0.5.0
>
> Attachments: HAMA-515.patch
>
>
> We should synchronize the counters in all tasks after a sync() call.
> Then someone can use it for flow control. E.G. graph related algorithms, to
> get the number of globally updated vertices.
> Two options to solve this:
> - Sync the whole stuff over RPC from the BSPMaster
> - Use Zookeeper for counter handling
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