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https://issues.apache.org/jira/browse/IMPALA-7312?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tim Armstrong updated IMPALA-7312:
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Description: Currently Fetch() can block for an arbitrary amount of time
until a batch of rows is produced. It might be helpful to have a mode where it
returns quickly when there is no data available, so that threads and RPC slots
are not tied up. (was: Currently Fetch() can block for an arbitrary amount of
time until a batch of rows is produced. It might be helpful to have a mode
where it returns quickly when there is no data available, that that threads and
RPC slots are not tied up.)
> Non-blocking mode for Fetch() RPC
> ---------------------------------
>
> Key: IMPALA-7312
> URL: https://issues.apache.org/jira/browse/IMPALA-7312
> Project: IMPALA
> Issue Type: Improvement
> Components: Clients
> Reporter: Tim Armstrong
> Priority: Major
> Labels: resource-management
>
> Currently Fetch() can block for an arbitrary amount of time until a batch of
> rows is produced. It might be helpful to have a mode where it returns quickly
> when there is no data available, so that threads and RPC slots are not tied
> up.
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