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Posted to issues@quickstep.apache.org by "Harshad Deshmukh (JIRA)" <ji...@apache.org> on 2016/06/14 15:08:01 UTC
[jira] [Resolved] (QUICKSTEP-8) Long running Foreman thread
[ https://issues.apache.org/jira/browse/QUICKSTEP-8?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Harshad Deshmukh resolved QUICKSTEP-8.
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Resolution: Fixed
> Long running Foreman thread
> ---------------------------
>
> Key: QUICKSTEP-8
> URL: https://issues.apache.org/jira/browse/QUICKSTEP-8
> Project: Apache Quickstep
> Issue Type: New Feature
> Components: Query Execution
> Reporter: Harshad Deshmukh
> Assignee: Harshad Deshmukh
>
> Right now the Foreman thread is instantiated for every new query. We would like to have a long running Foreman thread which can accept queries as and when they arrive in the system. To achieve this following changes are necessary:
> 1. Communication between the main thread and Foreman should happen through TMB.
> 2. New message types should be defined for the above communication (e.g. query arrival, query completion)
> 3. Mechanisms for wait-listing queries which can't be admitted to the system immediately.
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