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https://issues.apache.org/jira/browse/HAMA-516?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Thomas Jungblut updated HAMA-516:
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Issue Type: Sub-task (was: Improvement)
Parent: HAMA-520
> Implement Worker Pool
> ---------------------
>
> Key: HAMA-516
> URL: https://issues.apache.org/jira/browse/HAMA-516
> Project: Hama
> Issue Type: Sub-task
> Affects Versions: 0.4.0
> Reporter: Thomas Jungblut
> Priority: Minor
> Fix For: 0.5.0
>
>
> To decrease job startup time we should implement worker pools.
> Worker pools should start BSPTask JVM's based on the configured task capacity.
> This should greatly improve cold-start time for jobs. However, this cost is
> quite low compared to the long-running Hama task.
> The idea is from
> http://www.slideshare.net/hanborq/hanborq-optimizations-on-hadoop-mapreduce-20120216a
> (slide 4). Google Tenzing uses this, and I read about the gmail priority
> inbox jobs which also uses this task reuse.
> This will be the start of a number of tasks that will profile and improve
> startup time of jobs and cluster. (Umbrella follows).
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