github.com/cockroachdb/pebble@v1.1.1-0.20240513155919-3622ade60459/testdata/scan_statistics (about) 1 2 reset 3 ---- 4 5 batch commit 6 set b d 7 set e foo 8 ---- 9 committed 2 keys 10 11 scan-statistics lower=b upper=f keys=(SET) 12 ---- 13 Aggregate: 14 SET key count: 2 15 SET latest count: 2 16 17 flush 18 ---- 19 20 scan-statistics lower=b upper=e keys=(SET) levels=(0) 21 ---- 22 Level 0: 23 SET key count: 1 24 SET latest count: 1 25 Aggregate: 26 SET key count: 1 27 SET latest count: 1 28 29 scan-statistics lower=b upper=f keys=(SET) levels=(0) 30 ---- 31 Level 0: 32 SET key count: 2 33 SET latest count: 2 34 Aggregate: 35 SET key count: 2 36 SET latest count: 2 37 38 scan-statistics lower=f upper=l keys=(SET) 39 ---- 40 Aggregate: 41 SET key count: 0 42 43 batch commit 44 del b 45 del e 46 ---- 47 committed 2 keys 48 49 flush 50 ---- 51 52 scan-statistics lower=b upper=f keys=(SET, DEL) levels=(0) 53 ---- 54 Level 0: 55 SET key count: 2 56 DEL key count: 2 57 DEL latest count: 2 58 Aggregate: 59 SET key count: 2 60 DEL key count: 2 61 DEL latest count: 2 62 63 reset 64 ---- 65 66 batch commit 67 set b hi 68 ---- 69 committed 1 keys 70 71 flush 72 ---- 73 74 batch commit 75 set b hello 76 ---- 77 committed 1 keys 78 79 flush 80 ---- 81 82 compact a-z 83 ---- 84 6: 85 000008:[b#0,SET-b#0,SET] 86 87 scan-statistics lower=b upper=f keys=(SET) levels=(6) 88 ---- 89 Level 6: 90 SET key count: 1 91 SET latest count: 1 92 Aggregate: 93 SET key count: 1 94 SET latest count: 1 95 96 batch commit 97 set c a 98 ---- 99 committed 1 keys 100 101 flush 102 ---- 103 104 scan-statistics lower=b upper=f keys=(SET) levels=(0, 6) 105 ---- 106 Level 0: 107 SET key count: 1 108 SET latest count: 1 109 Level 6: 110 SET key count: 1 111 SET latest count: 1 112 Aggregate: 113 SET key count: 2 114 SET latest count: 2 115 116 reset 117 ---- 118 119 batch commit 120 set a b 121 ---- 122 committed 1 keys 123 124 flush 125 ---- 126 127 snapshot name=first 128 ---- 129 130 batch commit 131 set a c 132 ---- 133 committed 1 keys 134 135 flush 136 ---- 137 138 compact a-z 139 ---- 140 6: 141 000008:[a#11,SET-a#0,SET] 142 143 scan-statistics lower=a upper=z show-snapshot-pinned 144 ---- 145 Aggregate: 146 snapshot pinned count: 1