Michael Ho created IMPALA-7879:
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Summary: Final profiles of queries should be reliably retrievable
Key: IMPALA-7879
URL: https://issues.apache.org/jira/browse/IMPALA-7879
Project: IMPALA
Issue Type: Bug
Components: Backend
Affects Versions: Impala 3.0
Reporter: Michael Ho
During a [code
review|https://gerrit.cloudera.org/#/c/11964/1/tests/beeswax/impala_beeswax.py@206],
[~tarmstrong] pointed out that there may be a problem with the query life
cycle management which prevents the final profile from being accessible
reliably for a query.
In particular, the ExecSummary and Error sections are not added to the profile
until a query is unregistered. At which point, the profile is archived. It's
possible that the archive log rolls over before the profile is retrieved or
that the profile archive log has been disabled. In which case, there is no way
to get the final profile of a query. Ideally, the final profile should be
available before query unregistration (e.g. once all backends have completed).
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