| ==== |
| ---- QUERY |
| # IMPALA-7076: this query will fail if the Kudu scan spins up too many scanner threads. |
| # Only one scanner thread per impalad should be started. |
| # Set num_scanner_threads to reduce the row batch queue length and avoid IMPALA-7465. |
| set num_scanner_threads=2; |
| set mem_limit="6.5mb"; |
| select * from tpch_kudu.orders |
| order by o_orderkey limit 3; |
| ---- TYPES |
| BIGINT,BIGINT,STRING,DECIMAL,STRING,STRING,STRING,INT,STRING |
| ---- RESULTS |
| 1,36901,'O',173665.47,'1996-01-02','5-LOW','Clerk#000000951',0,'nstructions sleep furiously among ' |
| 2,78002,'O',46929.18,'1996-12-01','1-URGENT','Clerk#000000880',0,' foxes. pending accounts at the pending, silent asymptot' |
| 3,123314,'F',193846.25,'1993-10-14','5-LOW','Clerk#000000955',0,'sly final accounts boost. carefully regular ideas cajole carefully. depos' |
| ---- RUNTIME_PROFILE |
| aggregation(SUM, NumScannerThreadsStarted): 3 |
| ==== |
| ---- QUERY |
| # Test with lower limit that reliably hits memory limit exceeded. |
| set disable_codegen=true; |
| set mem_limit=32k; |
| select * from tpch_kudu.orders |
| order by o_orderkey limit 3; |
| ---- CATCH |
| Memory limit exceeded |
| ==== |
