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From "Vladimir Ozerov (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (IGNITE-3768) SQL: implement collecting query metrics from map step to reduce step
Date Thu, 14 Feb 2019 08:00:00 GMT

     [ https://issues.apache.org/jira/browse/IGNITE-3768?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vladimir Ozerov closed IGNITE-3768.
-----------------------------------

> 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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