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https://issues.apache.org/jira/browse/LENS-417?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arshad Matin closed LENS-417.
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> Query metrics on prepare are not working
> ----------------------------------------
>
> Key: LENS-417
> URL: https://issues.apache.org/jira/browse/LENS-417
> Project: Apache Lens
> Issue Type: Bug
> Components: api, driver-jdbc, server
> Affects Versions: 2.1
> Reporter: Amareshwari Sriramadasu
> Assignee: Amareshwari Sriramadasu
> Priority: Critical
> Fix For: 2.1
>
> Attachments: LENS-417.2.patch
>
>
> When query metrics are enabled on prepare query, seeing following issues :
> {noformat}
> lens-shell>prepQuery explain cube select id,name from sample_dim
> Explain FAILED:A metric named
> lens.MethodMetricGauge.5a82d69f-8968-44f4-af08-cb4a6d65b12a-HiveDriver-org.apache.lens.driver.cube.RewriteUtil-rewriteQuery
> already exists
> {noformat}
> The above happens because the driver config merge went wrong.
> Once it is fixed seeing the below :
> {noformat}
> lens-shell>prepQuery explain cube select id,name from sample_dim
> Command failed javax.ws.rs.InternalServerErrorException: HTTP 500 A metric
> named
> lens.MethodMetricGauge.3d83e617-68a4-4695-ac5e-801392b0b9bc-JDBCDriver-columnar-sql-rewrite
> already exists
> {noformat}
> This happens because prepare happens once for validate and once for prepare.
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