select-mysql-NT_4.0
上传用户：tsgydb
上传日期：2007-04-14
资源大小：10674k
文件大小：2k
- Testing server 'MySQL 3.23.31' at 2001-01-18 2:59:37
- Testing the speed of selecting on keys that consist of many parts
- The test-table has 10000 rows and the test is done with 500 ranges.
- Creating table
- Inserting 10000 rows
- Time to insert (10000): 7 wallclock secs ( 1.30 usr 1.41 sys + 0.00 cusr 0.00 csys = 0.00 CPU)
- Testing big selects on the table
- Time for select_big (70:17207): 1 wallclock secs ( 0.41 usr 0.09 sys + 0.00 cusr 0.00 csys = 0.00 CPU)
Time for select_range (410:1057904): 187 wallclock secs (27.39 usr 9.33 sys + 0.00 cusr 0.00 csys = 0.00 CPU)
Time for min_max_on_key (70000): 179 wallclock secs (29.25 usr 12.30 sys + 0.00 cusr 0.00 csys = 0.00 CPU)
Time for count_on_key (50000): 346 wallclock secs (21.52 usr 9.14 sys + 0.00 cusr 0.00 csys = 0.00 CPU)
- Time for count_group_on_key_parts (1000:100000): 41 wallclock secs ( 2.81 usr 0.92 sys + 0.00 cusr 0.00 csys = 0.00 CPU)
Testing count(distinct) on the table
- Time for count_distinct (2000:2000): 80 wallclock secs ( 0.94 usr 0.31 sys + 0.00 cusr 0.00 csys = 0.00 CPU)
Time for count_distinct_group_on_key (1000:6000): 45 wallclock secs ( 0.67 usr 0.25 sys + 0.00 cusr 0.00 csys = 0.00 CPU)
Time for count_distinct_group_on_key_parts (1000:100000): 150 wallclock secs ( 3.31 usr 0.97 sys + 0.00 cusr 0.00 csys = 0.00 CPU)
Time for count_distinct_group (1000:100000): 150 wallclock secs ( 3.03 usr 1.20 sys + 0.00 cusr 0.00 csys = 0.00 CPU)
Time for count_distinct_big (100:1000000): 111 wallclock secs (23.03 usr 7.88 sys + 0.00 cusr 0.00 csys = 0.00 CPU)
Total time: 1297 wallclock secs (113.66 usr 43.80 sys + 0.00 cusr 0.00 csys = 0.00 CPU)
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