Add more context cancellation check at evaluation time #13437
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Signed-off-by: Ben Ye <benye@amazon.com>
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We found out that even if the query already timed out and context canceled, the query is still running at evaluation phase.
This pr adds more context cancellation check when evaluating
parser.Callandparser.VectorSelector. We already have such kind of per series ctx cancellation check here.Example trace below. The query itself timed out after 1 min, but
promqlInnerEval eval parser.Callran for 3.4 min.