Ah. QA assertion :) There is a query which is causing it, in this case one executed by reducer.sh
Query (7fa864014250): SET @id:=(SELECT id FROM INFORMATION_SCHEMA.PROCESSLIST WHERE ID<>CONNECTION_ID() AND STATE<>'killed' AND TIME>90 ORDER BY TIME DESC LIMIT 1)
Ah. QA assertion :) There is a query which is causing it, in this case one executed by reducer.sh
Query (7fa864014250): SET @id:=(SELECT id FROM INFORMATION_ SCHEMA. PROCESSLIST WHERE ID<>CONNECTION_ID() AND STATE<>'killed' AND TIME>90 ORDER BY TIME DESC LIMIT 1)