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Posted to dev@uima.apache.org by "Eddie Epstein (JIRA)" <de...@uima.apache.org> on 2015/02/26 17:46:04 UTC
[jira] [Assigned] (UIMA-4265) Add warmup option to a UIMA-AS
service instance
[ https://issues.apache.org/jira/browse/UIMA-4265?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Eddie Epstein reassigned UIMA-4265:
-----------------------------------
Assignee: Jerry Cwiklik
> Add warmup option to a UIMA-AS service instance
> -----------------------------------------------
>
> Key: UIMA-4265
> URL: https://issues.apache.org/jira/browse/UIMA-4265
> Project: UIMA
> Issue Type: New Feature
> Components: Async Scaleout
> Reporter: Eddie Epstein
> Assignee: Jerry Cwiklik
>
> A UIMA-AS service capacity can be dynamically expanded by starting new instances to share the load. However, some analytics require a warm-up period to achieve desired latency; in this case adding a cold service instance to a collection of warm instances can temporarily degrade service performance.
> The request here is to add a warm-up option to UIMA-AS service startup. Warm-up CASes should be specified as a zipfile containing multiple CASes in either compressed XmiCas or binary compressed CAS formats, or a directory containing these zipfiles. The CASes would be run after the service annotator has initialized but before it registers as listener on the service input queue.
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