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https://issues.apache.org/jira/browse/AURORA-199?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bill Farner resolved AURORA-199.
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Resolution: Later
> It's not possible to mix limit and attribute constraints
> --------------------------------------------------------
>
> Key: AURORA-199
> URL: https://issues.apache.org/jira/browse/AURORA-199
> Project: Aurora
> Issue Type: Story
> Components: Client
> Reporter: brian wickman
> Priority: Minor
>
> A user had a valid need for the following use-case:
> {noformat}
> constraints = {
> 'host': 'hostname1',
> 'host': 'limit:2'
> }
> {noformat}
> in order to pin 2 instances of a job to the same host. Pystachio Map is a
> multimap but it gets coerced to a Python dictionary when converting to a set
> of Thrift Constraint objects, and the 'multi-' part of the mapping is lost.
> We should probably add a new delimiter, e.g. ';' in order to allow for mixes
> of limit and attribute constraints, e.g. 'host': 'hostname1;limit:2'
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