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https://issues.apache.org/jira/browse/TS-589?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Leif Hedstrom resolved TS-589.
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Resolution: Fixed
> Add "tasks" threads and processor
> ---------------------------------
>
> Key: TS-589
> URL: https://issues.apache.org/jira/browse/TS-589
> Project: Traffic Server
> Issue Type: Improvement
> Components: Core
> Reporter: Leif Hedstrom
> Assignee: Leif Hedstrom
> Fix For: 2.1.5
>
> Attachments: TS-589.diff
>
>
> Sometimes, in both the core and in SDK plugins, it might be useful to create
> "background tasks". Right now, it's only possible to schedule such tasks
> (continuations) on the normal net-threads. This could cause imbalance in
> thread "load", particularly for longer running tasks. A new thread type will
> be created, ET_TASK, which by default is the same as the net threads
> (ET_CALL), but via a records.config option, any continuations scheduled on
> ET_TASK can be off-loaded on a new set of threads (a threadpool with a
> configurable size).
> One new configuration option is added, with a default of 0:
> CONFIG proxy.config.task_threads INT 0
> In addition, more functionality can / should be added to the TasksProcessor,
> to make it easy and convenient to use. SDK APIs must also be added (or
> modified) to schedule plugin "tasks" on this thread pool.
> My initial checkin will be merely a "stub" processor, to get things started.
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