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https://issues.apache.org/jira/browse/HAMA-559?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Suraj Menon reassigned HAMA-559:
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Assignee: Suraj Menon
> Add a spilling message queue
> ----------------------------
>
> Key: HAMA-559
> URL: https://issues.apache.org/jira/browse/HAMA-559
> Project: Hama
> Issue Type: Sub-task
> Components: bsp core
> Affects Versions: 0.5.0
> Reporter: Thomas Jungblut
> Assignee: Suraj Menon
> Priority: Minor
> Fix For: 0.6.0
>
>
> After HAMA-521 is done, we can add a spilling queue which just holds the
> messages in RAM that fit into the heap space. The rest can be flushed to disk.
> We may call this a HybridQueue or something like that.
> The benefits should be that we don't have to flush to disk so often and get
> faster. However we may have more GC so it is always overall faster.
> The requirements for this queue also include:
> - The message object once written to the queue (after returning from the
> write call) could be modified, but the changes should not be reflected in the
> messages stored in the queue.
> - For now let's implement a queue that does not support concurrent reading
> and writing. This feature is needed when we implement asynchronous
> communication.
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