| ==== |
| ---- QUERY |
| # IMPALA-7076: this query will fail if the HDFS scanner scan spins up too many scanner |
| # threads, because the threads need to decompress full input files into memory. |
| # Only one scanner thread per impalad should be started. |
| set num_nodes=1; |
| set mem_limit=75m; |
| select l_orderkey, l_shipmode from tpch_text_gzip.lineitem |
| where l_comment = 'telets. quickly '; |
| ---- TYPES |
| BIGINT,STRING |
| ---- RESULTS: VERIFY_IS_EQUAL_SORTED |
| 49824,'RAIL' |
| 1380737,'AIR' |
| 2981252,'TRUCK' |
| 3415170,'MAIL' |
| ---- RUNTIME_PROFILE |
| aggregation(SUM, NumScannerThreadsStarted): 1 |
| ==== |
| ---- QUERY |
| # IMPALA-7076: check that the Parquet scanner also limits memory consumption. |
| set num_nodes=1; |
| set mem_limit=50m; |
| select l_orderkey, l_shipmode from tpch_parquet.lineitem |
| where l_comment = 'telets. quickly '; |
| ---- TYPES |
| BIGINT,STRING |
| ---- RESULTS: VERIFY_IS_EQUAL_SORTED |
| 49824,'RAIL' |
| 1380737,'AIR' |
| 2981252,'TRUCK' |
| 3415170,'MAIL' |
| ---- RUNTIME_PROFILE |
| aggregation(SUM, NumScannerThreadsStarted): 1 |
| ==== |
