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https://issues.apache.org/jira/browse/IGNITE-3768?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vladimir Ozerov closed IGNITE-3768.
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> SQL: implement collecting query metrics from map step to reduce step
> --------------------------------------------------------------------
>
> Key: IGNITE-3768
> URL: https://issues.apache.org/jira/browse/IGNITE-3768
> Project: Ignite
> Issue Type: Task
> Components: sql
> Affects Versions: 1.6
> Reporter: Alexey Kuznetsov
> Priority: Major
>
> Ignite SQL engine use a mapreduce to execute query on cluster.
> Some node map queries over cluster and after they are completed and reduced
> on initial node.
> In current implementation we measure duration on initial node and on all
> nodes where two-step queries are executed, but only overall duration is
> returned.
> We also need to return duration from all two-step queries.
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