-------------- select count(*) from (select p_partkey from part where p_partkey <= 116000000 union select p_partkey from part where p_partkey <= 116000000) x -------------- +-----------+ | count(*) | +-----------+ | 116000000 | +-----------+ 1 row in set (3 min 12.51 sec) -------------- select calgetstats() -------------- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | calgetstats() | +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | Query Stats: MaxMemPct-27; NumTempFiles-0; TempFileSpace-0MB; ApproxPhyI/O-0; CacheI/O-0; BlocksTouched-0; PartitionBlocksEliminated-0; MsgBytesIn-0MB; MsgBytesOut-0MB; Mode-Distributed| 1298108486 990696 | +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ 1 row in set (0.00 sec) -------------- select count(*) from (select p_partkey from part where p_partkey <= 116000000 union select p_partkey from part where p_partkey <= 116000000) x -------------- +-----------+ | count(*) | +-----------+ | 116000000 | +-----------+ 1 row in set (3 min 43.69 sec) -------------- select calgetstats() -------------- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | calgetstats() | +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | Query Stats: MaxMemPct-28; NumTempFiles-0; TempFileSpace-0MB; ApproxPhyI/O-0; CacheI/O-0; BlocksTouched-0; PartitionBlocksEliminated-0; MsgBytesIn-0MB; MsgBytesOut-0MB; Mode-Distributed| 1298108709 788257 | +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ 1 row in set (0.01 sec) -------------- select count(*) from (select p_partkey from part where p_partkey <= 116000000 union select p_partkey from part where p_partkey <= 116000000) x -------------- +-----------+ | count(*) | +-----------+ | 116000000 | +-----------+ 1 row in set (3 min 53.16 sec) -------------- select calgetstats() -------------- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | calgetstats() | +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | Query Stats: MaxMemPct-28; NumTempFiles-0; TempFileSpace-0MB; ApproxPhyI/O-0; CacheI/O-0; BlocksTouched-0; PartitionBlocksEliminated-0; MsgBytesIn-0MB; MsgBytesOut-0MB; Mode-Distributed| 1298108933 764261 | +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ 1 row in set (0.00 sec) -------------- select count(*) from (select p_partkey from part where p_partkey <= 116000000 union select p_partkey from part where p_partkey <= 116000000) x -------------- +-----------+ | count(*) | +-----------+ | 116000000 | +-----------+ 1 row in set (3 min 44.18 sec) -------------- select calgetstats() -------------- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | calgetstats() | +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | Query Stats: MaxMemPct-27; NumTempFiles-0; TempFileSpace-0MB; ApproxPhyI/O-0; CacheI/O-0; BlocksTouched-0; PartitionBlocksEliminated-0; MsgBytesIn-0MB; MsgBytesOut-0MB; Mode-Distributed| 1298109166 175996 | +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ 1 row in set (0.00 sec) -------------- select count(*) from (select p_partkey from part where p_partkey <= 116000000 union select p_partkey from part where p_partkey <= 116000000) x -------------- +-----------+ | count(*) | +-----------+ | 116000000 | +-----------+ 1 row in set (3 min 41.26 sec) -------------- select calgetstats() -------------- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | calgetstats() | +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | Query Stats: MaxMemPct-27; NumTempFiles-0; TempFileSpace-0MB; ApproxPhyI/O-0; CacheI/O-0; BlocksTouched-0; PartitionBlocksEliminated-0; MsgBytesIn-0MB; MsgBytesOut-0MB; Mode-Distributed| 1298109390 619528 | +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ 1 row in set (0.00 sec) -------------- select count(*) from (select p_partkey from part where p_partkey <= 116000000 union select p_partkey from part where p_partkey <= 116000000) x -------------- +-----------+ | count(*) | +-----------+ | 116000000 | +-----------+ 1 row in set (3 min 45.58 sec) -------------- select calgetstats() -------------- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | calgetstats() | +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | Query Stats: MaxMemPct-32; NumTempFiles-0; TempFileSpace-0MB; ApproxPhyI/O-0; CacheI/O-0; BlocksTouched-0; PartitionBlocksEliminated-0; MsgBytesIn-0MB; MsgBytesOut-0MB; Mode-Distributed| 1298109611 687152 | +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ 1 row in set (0.01 sec) -------------- select count(*) from (select p_partkey from part where p_partkey <= 116000000 union select p_partkey from part where p_partkey <= 116000000) x -------------- +-----------+ | count(*) | +-----------+ | 116000000 | +-----------+ 1 row in set (3 min 42.43 sec) -------------- select calgetstats() -------------- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | calgetstats() | +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | Query Stats: MaxMemPct-27; NumTempFiles-0; TempFileSpace-0MB; ApproxPhyI/O-0; CacheI/O-0; BlocksTouched-0; PartitionBlocksEliminated-0; MsgBytesIn-0MB; MsgBytesOut-0MB; Mode-Distributed| 1298109837 394664 | +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ 1 row in set (0.00 sec) -------------- select count(*) from (select p_partkey from part where p_partkey <= 116000000 union select p_partkey from part where p_partkey <= 116000000) x -------------- +-----------+ | count(*) | +-----------+ | 116000000 | +-----------+ 1 row in set (3 min 51.75 sec) -------------- select calgetstats() -------------- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | calgetstats() | +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | Query Stats: MaxMemPct-28; NumTempFiles-0; TempFileSpace-0MB; ApproxPhyI/O-0; CacheI/O-0; BlocksTouched-0; PartitionBlocksEliminated-0; MsgBytesIn-0MB; MsgBytesOut-0MB; Mode-Distributed| 1298110059 878188 | +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ 1 row in set (0.00 sec) -------------- select count(*) from (select p_partkey from part where p_partkey <= 116000000 union select p_partkey from part where p_partkey <= 116000000) x -------------- +-----------+ | count(*) | +-----------+ | 116000000 | +-----------+ 1 row in set (3 min 50.41 sec) -------------- select calgetstats() -------------- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | calgetstats() | +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | Query Stats: MaxMemPct-27; NumTempFiles-0; TempFileSpace-0MB; ApproxPhyI/O-0; CacheI/O-0; BlocksTouched-0; PartitionBlocksEliminated-0; MsgBytesIn-0MB; MsgBytesOut-0MB; Mode-Distributed| 1298110291 544351 | +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ 1 row in set (0.00 sec) -------------- select count(*) from (select p_partkey from part where p_partkey <= 116000000 union select p_partkey from part where p_partkey <= 116000000) x -------------- +-----------+ | count(*) | +-----------+ | 116000000 | +-----------+ 1 row in set (3 min 48.61 sec) -------------- select calgetstats() -------------- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | calgetstats() | +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | Query Stats: MaxMemPct-39; NumTempFiles-0; TempFileSpace-0MB; ApproxPhyI/O-0; CacheI/O-0; BlocksTouched-0; PartitionBlocksEliminated-0; MsgBytesIn-0MB; MsgBytesOut-0MB; Mode-Distributed| 1298110521 960816 | +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ 1 row in set (0.01 sec) Bye