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36 lines
2.4 KiB
Text
36 lines
2.4 KiB
Text
Testing server 'PostgreSQL version 7.1.2' at 2001-06-12 15:10:04
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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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Inserting 10000 rows
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Time to insert (10000): 9 wallclock secs ( 2.91 usr 0.30 sys + 0.00 cusr 0.00 csys = 3.21 CPU)
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Test if the database has a query cache
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Time for select_query_cache (10000): 2623 wallclock secs ( 3.22 usr 0.37 sys + 0.00 cusr 0.00 csys = 3.59 CPU)
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Time for select_query_cache2 (10000): 2622 wallclock secs ( 2.73 usr 0.47 sys + 0.00 cusr 0.00 csys = 3.20 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): 491 wallclock secs (11.40 usr 0.50 sys + 0.00 cusr 0.00 csys = 11.90 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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11893 queries in 1699 loops of 10000 loops took 601 seconds
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Estimated time for min_max_on_key (70000): 3537 wallclock secs (21.54 usr 3.06 sys + 0.00 cusr 0.00 csys = 24.60 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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17720 queries in 3544 loops of 10000 loops took 601 seconds
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Estimated time for count_on_key (50000): 1695 wallclock secs (15.49 usr 2.14 sys + 0.00 cusr 0.00 csys = 17.64 CPU)
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Time for count_group_on_key_parts (1000:100000): 332 wallclock secs ( 1.20 usr 0.04 sys + 0.00 cusr 0.00 csys = 1.24 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 ( 0.33 usr 0.05 sys + 0.00 cusr 0.00 csys = 0.38 CPU)
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Time for count_distinct (1000:1000): 131 wallclock secs ( 0.29 usr 0.02 sys + 0.00 cusr 0.00 csys = 0.31 CPU)
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Time for count_distinct_2 (1000:1000): 213 wallclock secs ( 0.43 usr 0.06 sys + 0.00 cusr 0.00 csys = 0.49 CPU)
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Time for count_distinct_group_on_key (1000:6000): 485 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_parts (1000:100000): 381 wallclock secs ( 1.23 usr 0.05 sys + 0.00 cusr 0.00 csys = 1.28 CPU)
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Time for count_distinct_group (1000:100000): 384 wallclock secs ( 1.12 usr 0.07 sys + 0.00 cusr 0.00 csys = 1.19 CPU)
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Time for count_distinct_big (100:1000000): 65 wallclock secs ( 8.50 usr 0.17 sys + 0.00 cusr 0.00 csys = 8.67 CPU)
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Estimated total time: 13160 wallclock secs (70.90 usr 7.35 sys + 0.00 cusr 0.00 csys = 78.25 CPU)
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