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https://issues.apache.org/jira/browse/GIRAPH-246?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eli Reisman updated GIRAPH-246:
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Attachment: GIRAPH-246-6.patch
oops. fixed a chekcstyle. passes 'mvn verify' etc. + many cluster tests. good
to go.
> Periodic worker calls to context.progress() will prevent timeout on some
> Hadoop clusters during barrier waits
> -------------------------------------------------------------------------------------------------------------
>
> Key: GIRAPH-246
> URL: https://issues.apache.org/jira/browse/GIRAPH-246
> Project: Giraph
> Issue Type: Improvement
> Components: bsp
> Affects Versions: 0.2.0
> Reporter: Eli Reisman
> Assignee: Eli Reisman
> Priority: Minor
> Labels: hadoop, patch
> Fix For: 0.2.0
>
> Attachments: GIRAPH-246-1.patch, GIRAPH-246-2.patch,
> GIRAPH-246-3.patch, GIRAPH-246-4.patch, GIRAPH-246-5.patch, GIRAPH-246-6.patch
>
>
> This simple change creates a command-line configurable option in GiraphJob to
> control the time between calls to context().progress() that allows workers to
> avoid timeouts during long data load-ins in which some works complete their
> input split reads much faster than others, or finish a super step faster. I
> found this allowed jobs that were large-scale but with low memory overhead to
> complete even when they would previously time out during runs on a Hadoop
> cluster. Timeout is still possible when the worker crashes or runs out of
> memory or has other GC or RPC trouble that is legitimate, but prevents
> unintentional crashes when the worker is actually still healthy.
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