2001-09-16 02:13:26 +02:00
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An SQLite (version 1.0) database was used in a large military application
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where the database contained 105 tables and indices. The following is
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a breakdown on the sizes of keys and data within these tables and indices:
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2001-01-22 01:31:53 +01:00
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2001-03-20 13:55:13 +01:00
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Entries: 967089
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Size: 45896104
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2001-01-22 01:31:53 +01:00
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Avg Size: 48
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2001-03-20 13:55:13 +01:00
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Key Size: 11112265
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2001-01-22 01:31:53 +01:00
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Avg Key Size: 12
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Max Key Size: 99
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2001-03-20 13:55:13 +01:00
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0..8 263 0%
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9..12 5560 0%
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13..16 71394 7%
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17..24 180717 26%
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25..32 215442 48%
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33..40 151118 64%
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41..48 77479 72%
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49..56 13983 74%
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57..64 14481 75%
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65..80 41342 79%
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81..96 127098 92%
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97..112 38054 96%
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113..128 14197 98%
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129..144 8208 99%
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145..160 3326 99%
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161..176 1242 99%
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177..192 604 99%
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193..208 222 99%
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209..224 213 99%
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225..240 132 99%
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241..256 58 99%
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257..288 515 99%
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289..320 64 99%
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321..352 39 99%
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353..384 44 99%
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385..416 25 99%
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2001-01-22 01:31:53 +01:00
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417..448 24 99%
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449..480 26 99%
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481..512 27 99%
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2001-03-20 13:55:13 +01:00
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513..1024 470 99%
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1025..2048 396 99%
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2049..4096 187 99%
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4097..8192 78 99%
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8193..16384 35 99%
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16385..32768 17 99%
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32769..65536 6 99%
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65537..65541 3 100%
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If the indices are omitted, the statistics for the 49 tables
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become the following:
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Entries: 451103
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Size: 30930282
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Avg Size: 69
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Key Size: 1804412
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Avg Key Size: 4
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Max Key Size: 4
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0..24 89 0%
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25..32 9417 2%
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33..40 119162 28%
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41..48 68710 43%
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49..56 9539 45%
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57..64 12435 48%
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65..80 38650 57%
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81..96 126877 85%
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97..112 38030 93%
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113..128 14183 96%
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129..144 7668 98%
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145..160 3302 99%
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161..176 1238 99%
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177..192 597 99%
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193..208 217 99%
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209..224 211 99%
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225..240 130 99%
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241..256 57 99%
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257..288 100 99%
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289..320 62 99%
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321..352 34 99%
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353..384 43 99%
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385..416 24 99%
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417..448 24 99%
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449..480 25 99%
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481..512 27 99%
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513..1024 153 99%
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1025..2048 92 99%
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2049..4096 7 100%
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The 56 indices have these statistics:
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Entries: 512422
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Size: 14879828
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Avg Size: 30
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Key Size: 9253204
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Avg Key Size: 19
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Max Key Size: 99
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0..8 246 0%
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9..12 5486 1%
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13..16 70717 14%
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17..24 178246 49%
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25..32 205722 89%
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33..40 31951 96%
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41..48 8768 97%
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49..56 4444 98%
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57..64 2046 99%
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65..80 2691 99%
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81..96 202 99%
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97..112 11 99%
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113..144 527 99%
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145..160 20 99%
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161..288 406 99%
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289..1024 316 99%
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1025..2048 304 99%
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2049..4096 180 99%
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4097..8192 78 99%
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8193..16384 35 99%
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2001-01-22 01:31:53 +01:00
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16385..32768 17 99%
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2001-03-20 13:55:13 +01:00
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32769..65536 6 99%
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65537..65541 3 100%
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