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42 lines
2.7 KiB
Text
42 lines
2.7 KiB
Text
Testing server 'PostgreSQL version 7.1.2' at 2001-06-11 22:43:08
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Testing the speed of selecting on keys that consist of many parts
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The test-table has 10000 rows and the test is done with 500 ranges.
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Creating table
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Time for book-keeping (1): 1 wallclock secs ( 0.00 usr 0.00 sys + 0.00 cusr 0.00 csys = 0.00 CPU)
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Inserting 10000 rows
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Time to insert (10000): 16 wallclock secs ( 3.01 usr 0.33 sys + 0.00 cusr 0.00 csys = 3.34 CPU)
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Time for book-keeping (1): 0 wallclock secs ( 0.00 usr 0.00 sys + 0.00 cusr 0.00 csys = 0.00 CPU)
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Test if the database has a query cache
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Time for select_query_cache (10000): 2643 wallclock secs ( 3.20 usr 0.43 sys + 0.00 cusr 0.00 csys = 3.63 CPU)
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Time for select_query_cache2 (10000): 2642 wallclock secs ( 3.26 usr 0.43 sys + 0.00 cusr 0.00 csys = 3.69 CPU)
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Testing big selects on the table
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Time for select_big (70:17207): 1 wallclock secs ( 0.12 usr 0.01 sys + 0.00 cusr 0.00 csys = 0.13 CPU)
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Time for select_range (410:1057904): 481 wallclock secs (11.87 usr 1.04 sys + 0.00 cusr 0.00 csys = 12.91 CPU)
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Note: Query took longer then time-limit: 600
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Estimating end time based on:
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12019 queries in 1717 loops of 10000 loops took 601 seconds
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Estimated time for min_max_on_key (70000): 3500 wallclock secs (24.99 usr 4.95 sys + 0.00 cusr 0.00 csys = 29.94 CPU)
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Note: Query took longer then time-limit: 600
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Estimating end time based on:
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18105 queries in 3621 loops of 10000 loops took 601 seconds
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Estimated time for count_on_key (50000): 1659 wallclock secs (14.19 usr 1.80 sys + 0.00 cusr 0.00 csys = 15.99 CPU)
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Time for count_group_on_key_parts (1000:100000): 332 wallclock secs ( 1.14 usr 0.03 sys + 0.00 cusr 0.00 csys = 1.17 CPU)
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Testing count(distinct) on the table
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Time for count_distinct_key_prefix (1000:1000): 188 wallclock secs ( 0.38 usr 0.02 sys + 0.00 cusr 0.00 csys = 0.40 CPU)
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Time for count_distinct (1000:1000): 131 wallclock secs ( 0.34 usr 0.05 sys + 0.00 cusr 0.00 csys = 0.39 CPU)
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Time for count_distinct_2 (1000:1000): 213 wallclock secs ( 0.38 usr 0.03 sys + 0.00 cusr 0.00 csys = 0.41 CPU)
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Time for count_distinct_group_on_key (1000:6000): 209 wallclock secs ( 0.35 usr 0.09 sys + 0.00 cusr 0.00 csys = 0.44 CPU)
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Time for count_distinct_group_on_key_parts (1000:100000): 382 wallclock secs ( 1.16 usr 0.06 sys + 0.00 cusr 0.00 csys = 1.22 CPU)
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Time for count_distinct_group (1000:100000): 385 wallclock secs ( 1.14 usr 0.09 sys + 0.00 cusr 0.00 csys = 1.23 CPU)
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Time for count_distinct_big (100:1000000): 65 wallclock secs ( 8.53 usr 0.26 sys + 0.00 cusr 0.00 csys = 8.79 CPU)
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Time for book-keeping (1): 2 wallclock secs ( 0.01 usr 0.00 sys + 0.00 cusr 0.00 csys = 0.01 CPU)
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Estimated total time: 12852 wallclock secs (74.09 usr 9.62 sys + 0.00 cusr 0.00 csys = 83.71 CPU)
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