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https://issues.apache.org/jira/browse/HAMA-636?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Suraj Menon updated HAMA-636:
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Labels: gsoc2014 java (was: )
> Confined recovery
> -----------------
>
> Key: HAMA-636
> URL: https://issues.apache.org/jira/browse/HAMA-636
> Project: Hama
> Issue Type: Sub-task
> Components: bsp core, messaging
> Reporter: Edward J. Yoon
> Labels: gsoc2014, java
>
> "Confined recovery" mentioned in Pregel paper can be used to improve the cost
> and latency of recovery.
> In addition to the existing HDFS checkpoints,1) the tasks log outgoing
> messages to local filesystem for each superstep (See disk queue). When a task
> fails, 2) it reverts to the last checkpoint. 3) Other tasks re-send messages
> sent to failed task at each superstep occurring after the last checkpoint.
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