Sahil Takiar created IMPALA-9229:
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Summary: Link runtime profiles from failed and retried queries
Key: IMPALA-9229
URL: https://issues.apache.org/jira/browse/IMPALA-9229
Project: IMPALA
Issue Type: Sub-task
Reporter: Sahil Takiar
There should be a way for clients to link the runtime profiles from failed
queries to all retry attempts (whether successful or not), and vice versa.
There are a few ways to do this:
* The simplest way would be to include the query id of the retried query in
the runtime profile of the failed query, and vice versa; users could then
manually create a chain of runtime profiles in order to fetch all failed /
successful attempts
* Extend TGetRuntimeProfileReq to include an option to fetch all runtime
profiles for the given query id + all retry attempts (or add a new Thrift call
TGetRetryQueryIds(TQueryId) which returns a list of retried ids for a given
query id)
* The Impala debug UI should include a simple way to view all the runtime
profiles of a query (the failed attempts + all retry attempts) side by side
(perhaps the query_profile?query_id profile should include tabs to easily
switch between the runtime profiles of each attempt)
These are not mutually exclusive, and it might be good to stage these changes.
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