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From Henry Robinson <>
Subject Re: Lifetime of query details in the impalad web server
Date Mon, 23 Oct 2017 19:45:50 GMT
The flag --query_log_size controls the number of query profiles that are
retained. By default it's 25. There is no time-based retention policy for


On 23 October 2017 at 12:33, Thoralf Gutierrez <>

> Hello everybody,
> We think the impalad web server has invaluable information for our users
> to analyze their queries as they are being executed, such as the query plan
> on pages like http://impala:25000/query_plan?query_id=e5421fea0f478563:
> 3cffcc5200000000
> Unfortunately, these pages seem to be very ephemeral for us. After a
> couple of minutes, trying to visit that page returns the error "Error:
> Unknown query id: e5421fea0f478563:3cffcc5200000000"
> Does someone know of a way to increase the lifetime of these pages?
> Thanks for your help,
> Thoralf

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