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https://issues.apache.org/jira/browse/IMPALA-1957?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tim Armstrong updated IMPALA-1957:
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Priority: Trivial (was: Minor)
> Add verification tool for external data sources
> -----------------------------------------------
>
> Key: IMPALA-1957
> URL: https://issues.apache.org/jira/browse/IMPALA-1957
> Project: IMPALA
> Issue Type: New Feature
> Components: Infrastructure
> Affects Versions: Impala 1.4, Impala 2.0
> Reporter: Matthew Jacobs
> Priority: Trivial
> Labels: supportability
>
> It would be helpful to provide a tool to perform some sanity checks on
> external data sources.
> A few initial ideas:
> 1) Verify the data source handles various valid calling patters (e.g.
> Init()->Prepare()->GetNext()->Close(), Init()->Close(),
> Init()->Prepare()->Close()).
> 2) Verify returned structures are valid and internally consistent.
> 3) Check if the data source is leaking, e.g. can we load the jar, call the
> data source, unload the jar-- i.e. did any objects remain in memory such that
> the classloader couldn't be unloaded?
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