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https://issues.apache.org/jira/browse/IMPALA-14130?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Riza Suminto reassigned IMPALA-14130:
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Assignee: Riza Suminto
> start-impala-cluster.py needs to work without tables loaded
> -----------------------------------------------------------
>
> Key: IMPALA-14130
> URL: https://issues.apache.org/jira/browse/IMPALA-14130
> Project: IMPALA
> Issue Type: Task
> Components: Infrastructure
> Affects Versions: Impala 5.0.0
> Reporter: Joe McDonnell
> Assignee: Riza Suminto
> Priority: Major
>
> IMPALA-13850 changed the behavior of bin/start-impala-cluster.py to wait for
> the number of tables to be at least one. This is needed to detect that the
> catalog has seen at least one update. There is special logic in dataload to
> start Impala without tables in that circumstance.
> This broke the perf-AB-test job, which starts Impala before loading data.
> There are other times when we want to start Impala without tables, and it is
> inconvenient to need to specify --wait_num_tables each time.
> We should detect the catalog update by some means other than the number of
> tables, and it needs to work without requiring data to be loaded. Maybe the
> number of databases could work.
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