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https://issues.apache.org/jira/browse/IMPALA-14401?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jason Fehr updated IMPALA-14401:
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Summary: Deflake/Improve OTel Custom Cluster Tests (was: Deflake OTel
Custom Cluster Tests)
> Deflake/Improve OTel Custom Cluster Tests
> -----------------------------------------
>
> Key: IMPALA-14401
> URL: https://issues.apache.org/jira/browse/IMPALA-14401
> Project: IMPALA
> Issue Type: Improvement
> Affects Versions: Impala 5.0.0
> Reporter: Jason Fehr
> Assignee: Jason Fehr
> Priority: Critical
>
> In test_otel_trace.py, the test_ddl_createtable_fail has a potential to be
> flaky. In the test, the second coordinator that drops the database may run
> that DDL too quickly before the create database operation executed on the
> first coordinator propagates to the second coordinator.
> In the test, first retrieve the number of databases from the
> "catalog.num-databases" metric:
> {code:python}
> num_dbs =
> self.cluster.get_first_impalad().service.get_metric_value("catalog.num-databases")
> {code}
> Then, before the drop database DDL, wait for the second coordinator's
> "catalog.num-databases" metric to increment by 1:
> {code:python}
> self.cluster.impalads[1].service.wait_for_metric_value("catalog.num-databases",
> num_dbs + 1, 60)
> {code}
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