Testing server 'PostgreSQL version 7.1.2' at 2001-06-11 18:27:26

Testing the speed of inserting data into 1 table and do some selects on it.
The tests are done with a table that has 100000 rows.

Generating random keys
Creating tables
Inserting 100000 rows in order
Inserting 100000 rows in reverse order
Inserting 100000 rows in random order
Time for insert (300000): 296 wallclock secs (89.01 usr 24.43 sys +  0.00 cusr  0.00 csys = 113.44 CPU)

Time for book-keeping (1):  8 wallclock secs ( 0.00 usr  0.00 sys +  0.00 cusr  0.00 csys =  0.00 CPU)

Testing insert of duplicates
Time for insert_duplicates (100000): 111 wallclock secs (28.41 usr  9.26 sys +  0.00 cusr  0.00 csys = 37.67 CPU)

Retrieving data from the table
Time for select_big (10:3000000): 55 wallclock secs (22.58 usr  2.28 sys +  0.00 cusr  0.00 csys = 24.86 CPU)
Time for order_by_big_key (10:3000000): 150 wallclock secs (25.91 usr  1.24 sys +  0.00 cusr  0.00 csys = 27.15 CPU)
Time for order_by_big_key_desc (10:3000000): 147 wallclock secs (25.81 usr  1.23 sys +  0.00 cusr  0.00 csys = 27.04 CPU)
Time for order_by_big_key_prefix (10:3000000): 133 wallclock secs (22.64 usr  0.62 sys +  0.00 cusr  0.00 csys = 23.26 CPU)
Time for order_by_big_key2 (10:3000000): 137 wallclock secs (22.59 usr  0.71 sys +  0.00 cusr  0.00 csys = 23.30 CPU)
Time for order_by_big_key_diff (10:3000000): 143 wallclock secs (22.68 usr  0.55 sys +  0.00 cusr  0.00 csys = 23.23 CPU)
Time for order_by_big (10:3000000): 147 wallclock secs (22.48 usr  0.61 sys +  0.00 cusr  0.00 csys = 23.09 CPU)
Time for order_by_range (500:125750):  4 wallclock secs ( 1.04 usr  0.04 sys +  0.00 cusr  0.00 csys =  1.08 CPU)
Time for order_by_key_prefix (500:125750):  3 wallclock secs ( 1.48 usr  0.03 sys +  0.00 cusr  0.00 csys =  1.51 CPU)
Time for order_by_key2_diff (500:250500):  7 wallclock secs ( 2.07 usr  0.04 sys +  0.00 cusr  0.00 csys =  2.11 CPU)
Time for select_diff_key (500:1000):  1 wallclock secs ( 0.21 usr  0.00 sys +  0.00 cusr  0.00 csys =  0.21 CPU)
Time for select_range_prefix (5010:42084): 34 wallclock secs ( 2.90 usr  0.27 sys +  0.00 cusr  0.00 csys =  3.17 CPU)
Time for select_range_key2 (5010:42084): 33 wallclock secs ( 2.72 usr  0.30 sys +  0.00 cusr  0.00 csys =  3.02 CPU)
Time for select_key_prefix (200000): 192 wallclock secs (67.39 usr  7.56 sys +  0.00 cusr  0.00 csys = 74.95 CPU)
Time for select_key (200000): 213 wallclock secs (67.07 usr  8.38 sys +  0.00 cusr  0.00 csys = 75.45 CPU)
Time for select_key_return_key (200000): 208 wallclock secs (65.98 usr  8.96 sys +  0.00 cusr  0.00 csys = 74.94 CPU)
Time for select_key2 (200000): 192 wallclock secs (67.06 usr  8.24 sys +  0.00 cusr  0.00 csys = 75.30 CPU)
Time for select_key2_return_key (200000): 183 wallclock secs (63.93 usr  8.32 sys +  0.00 cusr  0.00 csys = 72.25 CPU)
Time for select_key2_return_prim (200000): 188 wallclock secs (64.56 usr  8.71 sys +  0.00 cusr  0.00 csys = 73.27 CPU)

Test of compares with simple ranges
Time for select_range_prefix (20000:43500): 14 wallclock secs ( 3.73 usr  0.38 sys +  0.00 cusr  0.00 csys =  4.11 CPU)
Time for select_range_key2 (20000:43500): 14 wallclock secs ( 3.84 usr  0.37 sys +  0.00 cusr  0.00 csys =  4.21 CPU)
Time for select_group (111): 267 wallclock secs ( 0.06 usr  0.00 sys +  0.00 cusr  0.00 csys =  0.06 CPU)
Note: Query took longer then time-limit: 600
Estimating end time based on:
1398 queries in 233 loops of 2500 loops took 601 seconds
Estimated time for min_max_on_key (15000): 6448 wallclock secs ( 4.83 usr  0.54 sys +  0.00 cusr  0.00 csys =  5.36 CPU)
Time for min_max (60): 58 wallclock secs ( 0.01 usr  0.00 sys +  0.00 cusr  0.00 csys =  0.01 CPU)
Time for count_on_key (100): 115 wallclock secs ( 0.05 usr  0.00 sys +  0.00 cusr  0.00 csys =  0.05 CPU)
Time for count (100): 132 wallclock secs ( 0.04 usr  0.00 sys +  0.00 cusr  0.00 csys =  0.04 CPU)
Time for count_distinct_big (20): 204 wallclock secs ( 0.00 usr  0.01 sys +  0.00 cusr  0.00 csys =  0.01 CPU)

Testing update of keys with functions
Time for update_of_key (50000):  90 wallclock secs (14.87 usr  5.98 sys +  0.00 cusr  0.00 csys = 20.85 CPU)
Time for book-keeping (1): 58 wallclock secs ( 0.00 usr  0.00 sys +  0.00 cusr  0.00 csys =  0.00 CPU)

Time for update_of_key_big (501): 647 wallclock secs ( 0.12 usr  0.06 sys +  0.00 cusr  0.00 csys =  0.18 CPU)

Time for book-keeping (1): 236 wallclock secs ( 0.00 usr  0.00 sys +  0.00 cusr  0.00 csys =  0.00 CPU)

Testing update with key
Time for update_with_key (300000):  470 wallclock secs (87.85 usr 41.80 sys +  0.00 cusr  0.00 csys = 129.65 CPU)
Time for update_with_key_prefix (100000):  170 wallclock secs (31.13 usr 15.28 sys +  0.00 cusr  0.00 csys = 46.41 CPU)

Testing update of all rows
Time for update_big (10):  3883 wallclock secs ( 0.01 usr  0.00 sys +  0.00 cusr  0.00 csys =  0.01 CPU)

Testing left outer join
Time for outer_join_on_key (10:10):  238 wallclock secs ( 0.00 usr  0.00 sys +  0.00 cusr  0.00 csys =  0.00 CPU)
Time for outer_join (10:10):  253 wallclock secs ( 0.00 usr  0.00 sys +  0.00 cusr  0.00 csys =  0.00 CPU)
Time for outer_join_found (10:10):  243 wallclock secs ( 0.00 usr  0.00 sys +  0.00 cusr  0.00 csys =  0.00 CPU)
Time for outer_join_not_found (500:10):  242 wallclock secs ( 0.00 usr  0.01 sys +  0.00 cusr  0.00 csys =  0.01 CPU)

Testing INSERT INTO ... SELECT
Time for insert_select_1_key (1):  45 wallclock secs ( 0.00 usr  0.00 sys +  0.00 cusr  0.00 csys =  0.00 CPU)
Time for insert_select_2_keys (1):  77 wallclock secs ( 0.01 usr  0.00 sys +  0.00 cusr  0.00 csys =  0.01 CPU)
Time for drop table(2):  0 wallclock secs ( 0.00 usr  0.00 sys +  0.00 cusr  0.00 csys =  0.00 CPU)
Time for book-keeping (1): 1626 wallclock secs ( 0.00 usr  0.00 sys +  0.00 cusr  0.00 csys =  0.00 CPU)


Testing delete
Time for delete_key (10000): 11 wallclock secs ( 3.02 usr  0.37 sys +  0.00 cusr  0.00 csys =  3.39 CPU)
Time for delete_all (12): 11 wallclock secs ( 0.01 usr  0.01 sys +  0.00 cusr  0.00 csys =  0.02 CPU)

Time for book-keeping (1):  0 wallclock secs ( 0.00 usr  0.00 sys +  0.00 cusr  0.00 csys =  0.00 CPU)

Insert into table with 16 keys and with a primary key with 16 parts
Time for insert_key (100000): 895 wallclock secs (45.94 usr 68.46 sys +  0.00 cusr  0.00 csys = 114.40 CPU)

Time for book-keeping (1): 16 wallclock secs ( 0.00 usr  0.00 sys +  0.00 cusr  0.00 csys =  0.00 CPU)

Testing update of keys
Time for update_of_primary_key_many_keys (256): 835 wallclock secs ( 0.10 usr  0.09 sys +  0.00 cusr  0.00 csys =  0.19 CPU)

Time for book-keeping (1): 1298 wallclock secs ( 0.00 usr  0.00 sys +  0.00 cusr  0.00 csys =  0.00 CPU)

Deleting rows from the table
Time for delete_big_many_keys (128):  3 wallclock secs ( 0.05 usr  0.00 sys +  0.00 cusr  0.00 csys =  0.05 CPU)

Deleting everything from table
Time for delete_all_many_keys (1):  3 wallclock secs ( 0.05 usr  0.00 sys +  0.00 cusr  0.00 csys =  0.05 CPU)

Time for book-keeping (1):  1 wallclock secs ( 0.00 usr  0.00 sys +  0.00 cusr  0.00 csys =  0.00 CPU)

Estimated total time: 21187 wallclock secs (884.26 usr 225.15 sys +  0.00 cusr  0.00 csys = 1109.40 CPU)
