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https://issues.apache.org/jira/browse/QUARKS-123?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15252147#comment-15252147
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ASF GitHub Bot commented on QUARKS-123:
---------------------------------------
Github user queeniema commented on a diff in the pull request:
https://github.com/apache/incubator-quarks-website/pull/40#discussion_r60612083
--- Diff: site/recipes/recipe_adaptable_polling_source.md ---
@@ -0,0 +1,138 @@
+---
+title: Changing a Polled Source Stream's Period
+---
+
+The [Writing a Source Function](recipe_source_function.html) recipe
introduced the basics of creating a source stream by polling a data source
periodically.
+
+Oftentimes, a user wants the poll frequency to be adaptable rather than
static. For example, an event such a sudden rise in a temperature sensor may
motivate more frequent polling of the sensor and analysis of the data until the
condition subsides. A change in the poll frequency may be driven by locally
performed analytics or via a command from an external source.
--- End diff --
Missing an "as" between "such" and "a" in: _For example, an event such a
sudden rise..._
> Add recipe for poll() source with adaptable poll rate
> -----------------------------------------------------
>
> Key: QUARKS-123
> URL: https://issues.apache.org/jira/browse/QUARKS-123
> Project: Quarks
> Issue Type: Task
> Components: Documentation
> Reporter: Dale LaBossiere
> Assignee: Dale LaBossiere
>
> A use case is something like: an application wants to increase the poll
> frequency / rate of analytics once some trigger condition occurs. The
> trigger condition may be detected by local analytics. Or perhaps the change
> in poll frequency will be the result of receiving an IotDevice command.
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