Files
ast-project/part1/results/2/bug_b4e21a57-f51c-44fe-98f8-a562d518d8dc_logic.md
2026-06-24 13:47:14 +02:00

39 KiB

Summary

**No review yet**

Minimized query

.stats stmt
CREATE TABLE T1 (
  A VARCHAR(15) PRIMARY KEY,
  B VARCHAR(30) NOT NULL UNIQUE
);
CREATE TABLE T2 (
  A VARCHAR(10) PRIMARY KEY,
  X VARCHAR(15) NOT NULL,
  C BIGINT,
  FOREIGN KEY (X) REFERENCES T1(A)
);
INSERT INTO T1 VALUES ('p', 'x');
INSERT INTO T1 VALUES ('q', 'y');
INSERT INTO T2 VALUES ('a', 'p', 9223372036854775807);
INSERT INTO T2 VALUES ('b', 'q', -9223372036854775808);
SELECT X, SUM(C) AS D, COUNT(*) AS E FROM T2 GROUP BY X;
VACUUM;
DELETE FROM T1 WHERE B IS NULL;
CREATE  INDEX IF NOT EXISTS idx_T1_9218 ON T1(A) WHERE A IS NOT NULL;
VACUUM main;
ALTER TABLE T2 ADD COLUMN extra_1516 BOOLEAN NOT NULL DEFAULT 0;
VACUUM main;
SELECT * FROM T1 WHERE B IN (SELECT B FROM T1 LIMIT 0);

Actual output

Number of output columns:            0
Memory Used:                         90368 (max 92128) bytes
Number of Outstanding Allocations:   178 (max 188)
Number of Pcache Overflow Bytes:     25648 (max 25648) bytes
Largest Allocation:                  48000 bytes
Largest Pcache Allocation:           4360 bytes
Lookaside Slots Used:                32 (max 92)
Successful lookaside attempts:       111
Lookaside failures due to size:      0
Lookaside failures due to OOM:       0
Pager Heap Usage:                    22280 bytes
Page cache hits:                     6
Page cache misses:                   0
Page cache writes:                   0
Page cache spills:                   0
Schema Heap Usage:                   1408 bytes
Statement Heap/Lookaside Usage:      4768 bytes
Fullscan Steps:                      0
Sort Operations:                     0
Autoindex Inserts:                   0
Virtual Machine Steps:               52
Reprepare operations:                0
Number of times run:                 1
Memory used by prepared stmt:        4768
Bytes received by read():            7278
Bytes sent to write():               0
Read() system calls:                 14
Write() system calls:                0
Bytes read from storage:             0
Bytes written to storage:            0
Cancelled write bytes:               0
Number of output columns:            0
Memory Used:                         99184 (max 105144) bytes
Number of Outstanding Allocations:   186 (max 199)
Number of Pcache Overflow Bytes:     34368 (max 34368) bytes
Largest Allocation:                  48000 bytes
Largest Pcache Allocation:           4360 bytes
Lookaside Slots Used:                32 (max 92)
Successful lookaside attempts:       188
Lookaside failures due to size:      0
Lookaside failures due to OOM:       0
Pager Heap Usage:                    30968 bytes
Page cache hits:                     5
Page cache misses:                   0
Page cache writes:                   0
Page cache spills:                   0
Schema Heap Usage:                   2016 bytes
Statement Heap/Lookaside Usage:      4232 bytes
Fullscan Steps:                      0
Sort Operations:                     0
Autoindex Inserts:                   0
Virtual Machine Steps:               39
Reprepare operations:                0
Number of times run:                 1
Memory used by prepared stmt:        4232
Bytes received by read():            7372
Bytes sent to write():               1332
Read() system calls:                 16
Write() system calls:                1
Bytes read from storage:             0
Bytes written to storage:            0
Cancelled write bytes:               0
Number of output columns:            0
Memory Used:                         94976 (max 108912) bytes
Number of Outstanding Allocations:   170 (max 199)
Number of Pcache Overflow Bytes:     34368 (max 34368) bytes
Largest Allocation:                  48000 bytes
Largest Pcache Allocation:           4360 bytes
Lookaside Slots Used:                56 (max 92)
Successful lookaside attempts:       227
Lookaside failures due to size:      0
Lookaside failures due to OOM:       0
Pager Heap Usage:                    30968 bytes
Page cache hits:                     4
Page cache misses:                   0
Page cache writes:                   0
Page cache spills:                   0
Schema Heap Usage:                   2040 bytes
Statement Heap/Lookaside Usage:      6032 bytes
Fullscan Steps:                      0
Sort Operations:                     0
Autoindex Inserts:                   0
Virtual Machine Steps:               26
Reprepare operations:                0
Number of times run:                 1
Memory used by prepared stmt:        6032
Bytes received by read():            7469
Bytes sent to write():               2668
Read() system calls:                 18
Write() system calls:                2
Bytes read from storage:             0
Bytes written to storage:            0
Cancelled write bytes:               0
Number of output columns:            0
Memory Used:                         94976 (max 108912) bytes
Number of Outstanding Allocations:   170 (max 199)
Number of Pcache Overflow Bytes:     34368 (max 34368) bytes
Largest Allocation:                  48000 bytes
Largest Pcache Allocation:           4360 bytes
Lookaside Slots Used:                56 (max 92)
Successful lookaside attempts:       266
Lookaside failures due to size:      0
Lookaside failures due to OOM:       0
Pager Heap Usage:                    30968 bytes
Page cache hits:                     4
Page cache misses:                   0
Page cache writes:                   0
Page cache spills:                   0
Schema Heap Usage:                   2040 bytes
Statement Heap/Lookaside Usage:      6032 bytes
Fullscan Steps:                      0
Sort Operations:                     0
Autoindex Inserts:                   0
Virtual Machine Steps:               26
Reprepare operations:                0
Number of times run:                 1
Memory used by prepared stmt:        6032
Bytes received by read():            7566
Bytes sent to write():               4004
Read() system calls:                 20
Write() system calls:                3
Bytes read from storage:             0
Bytes written to storage:            0
Cancelled write bytes:               0
Number of output columns:            0
Memory Used:                         95000 (max 108912) bytes
Number of Outstanding Allocations:   171 (max 199)
Number of Pcache Overflow Bytes:     34368 (max 34368) bytes
Largest Allocation:                  48000 bytes
Largest Pcache Allocation:           4360 bytes
Lookaside Slots Used:                50 (max 92)
Successful lookaside attempts:       298
Lookaside failures due to size:      0
Lookaside failures due to OOM:       0
Pager Heap Usage:                    30968 bytes
Page cache hits:                     3
Page cache misses:                   0
Page cache writes:                   0
Page cache spills:                   0
Schema Heap Usage:                   2064 bytes
Statement Heap/Lookaside Usage:      5392 bytes
Fullscan Steps:                      0
Sort Operations:                     0
Autoindex Inserts:                   0
Virtual Machine Steps:               20
Reprepare operations:                0
Number of times run:                 1
Memory used by prepared stmt:        5392
Bytes received by read():            7663
Bytes sent to write():               5340
Read() system calls:                 22
Write() system calls:                4
Bytes read from storage:             0
Bytes written to storage:            0
Cancelled write bytes:               0
Number of output columns:            0
Memory Used:                         95000 (max 108912) bytes
Number of Outstanding Allocations:   171 (max 199)
Number of Pcache Overflow Bytes:     34368 (max 34368) bytes
Largest Allocation:                  48000 bytes
Largest Pcache Allocation:           4360 bytes
Lookaside Slots Used:                50 (max 92)
Successful lookaside attempts:       331
Lookaside failures due to size:      0
Lookaside failures due to OOM:       0
Pager Heap Usage:                    30968 bytes
Page cache hits:                     3
Page cache misses:                   0
Page cache writes:                   0
Page cache spills:                   0
Schema Heap Usage:                   2064 bytes
Statement Heap/Lookaside Usage:      5392 bytes
Fullscan Steps:                      0
Sort Operations:                     0
Autoindex Inserts:                   0
Virtual Machine Steps:               20
Reprepare operations:                0
Number of times run:                 1
Memory used by prepared stmt:        5392
Bytes received by read():            7760
Bytes sent to write():               6676
Read() system calls:                 24
Write() system calls:                5
Bytes read from storage:             0
Bytes written to storage:            0
Cancelled write bytes:               0
p|9223372036854775807|1
q|-9223372036854775808|1
Number of output columns:            3
Column 0 name:                       X
Column 0 declared type:              VARCHAR(15)
Column 1 name:                       D
Column 1 declared type:              (null)
Column 2 name:                       E
Column 2 declared type:              (null)
Memory Used:                         97376 (max 108912) bytes
Number of Outstanding Allocations:   172 (max 199)
Number of Pcache Overflow Bytes:     34368 (max 34368) bytes
Largest Allocation:                  48000 bytes
Largest Pcache Allocation:           4360 bytes
Lookaside Slots Used:                60 (max 92)
Successful lookaside attempts:       402
Lookaside failures due to size:      1
Lookaside failures due to OOM:       0
Pager Heap Usage:                    30968 bytes
Page cache hits:                     2
Page cache misses:                   0
Page cache writes:                   0
Page cache spills:                   0
Schema Heap Usage:                   2064 bytes
Statement Heap/Lookaside Usage:      9048 bytes
Fullscan Steps:                      1
Sort Operations:                     1
Autoindex Inserts:                   0
Virtual Machine Steps:               77
Reprepare operations:                0
Number of times run:                 1
Memory used by prepared stmt:        9048
Bytes received by read():            7857
Bytes sent to write():               8012
Read() system calls:                 26
Write() system calls:                6
Bytes read from storage:             0
Bytes written to storage:            0
Cancelled write bytes:               0
Number of output columns:            0
Memory Used:                         88768 (max 332160) bytes
Number of Outstanding Allocations:   128 (max 246)
Number of Pcache Overflow Bytes:     30264 (max 42576) bytes
Largest Allocation:                  87200 bytes
Largest Pcache Allocation:           4360 bytes
Lookaside Slots Used:                35 (max 115)
Successful lookaside attempts:       896
Lookaside failures due to size:      1
Lookaside failures due to OOM:       0
Pager Heap Usage:                    30968 bytes
Page cache hits:                     15
Page cache misses:                   0
Page cache writes:                   0
Page cache spills:                   0
Schema Heap Usage:                   0 bytes
Statement Heap/Lookaside Usage:      2528 bytes
Fullscan Steps:                      0
Sort Operations:                     0
Autoindex Inserts:                   0
Virtual Machine Steps:               3
Reprepare operations:                0
Number of times run:                 1
Memory used by prepared stmt:        2528
Bytes received by read():            7954
Bytes sent to write():               9651
Read() system calls:                 28
Write() system calls:                7
Bytes read from storage:             0
Bytes written to storage:            0
Cancelled write bytes:               0
Number of output columns:            0
Memory Used:                         90824 (max 332160) bytes
Number of Outstanding Allocations:   167 (max 246)
Number of Pcache Overflow Bytes:     30264 (max 42576) bytes
Largest Allocation:                  87200 bytes
Largest Pcache Allocation:           4360 bytes
Lookaside Slots Used:                45 (max 115)
Successful lookaside attempts:       973
Lookaside failures due to size:      1
Lookaside failures due to OOM:       0
Pager Heap Usage:                    30968 bytes
Page cache hits:                     3
Page cache misses:                   0
Page cache writes:                   0
Page cache spills:                   0
Schema Heap Usage:                   1992 bytes
Statement Heap/Lookaside Usage:      3552 bytes
Fullscan Steps:                      0
Sort Operations:                     0
Autoindex Inserts:                   0
Virtual Machine Steps:               6
Reprepare operations:                0
Number of times run:                 1
Memory used by prepared stmt:        3552
Bytes received by read():            8051
Bytes sent to write():               10985
Read() system calls:                 30
Write() system calls:                8
Bytes read from storage:             0
Bytes written to storage:            0
Cancelled write bytes:               0
Number of output columns:            0
Memory Used:                         103416 (max 332160) bytes
Number of Outstanding Allocations:   191 (max 246)
Number of Pcache Overflow Bytes:     38728 (max 42576) bytes
Largest Allocation:                  87200 bytes
Largest Pcache Allocation:           4360 bytes
Lookaside Slots Used:                32 (max 115)
Successful lookaside attempts:       1054
Lookaside failures due to size:      1
Lookaside failures due to OOM:       0
Pager Heap Usage:                    35312 bytes
Page cache hits:                     5
Page cache misses:                   0
Page cache writes:                   0
Page cache spills:                   0
Schema Heap Usage:                   2376 bytes
Statement Heap/Lookaside Usage:      3680 bytes
Fullscan Steps:                      0
Sort Operations:                     1
Autoindex Inserts:                   0
Virtual Machine Steps:               48
Reprepare operations:                0
Number of times run:                 1
Memory used by prepared stmt:        3680
Bytes received by read():            8149
Bytes sent to write():               12322
Read() system calls:                 32
Write() system calls:                9
Bytes read from storage:             0
Bytes written to storage:            0
Cancelled write bytes:               0
Number of output columns:            0
Memory Used:                         93128 (max 340152) bytes
Number of Outstanding Allocations:   129 (max 251)
Number of Pcache Overflow Bytes:     34624 (max 46936) bytes
Largest Allocation:                  87200 bytes
Largest Pcache Allocation:           4360 bytes
Lookaside Slots Used:                35 (max 115)
Successful lookaside attempts:       1631
Lookaside failures due to size:      2
Lookaside failures due to OOM:       0
Pager Heap Usage:                    35312 bytes
Page cache hits:                     17
Page cache misses:                   0
Page cache writes:                   0
Page cache spills:                   0
Schema Heap Usage:                   0 bytes
Statement Heap/Lookaside Usage:      2528 bytes
Fullscan Steps:                      0
Sort Operations:                     0
Autoindex Inserts:                   0
Virtual Machine Steps:               3
Reprepare operations:                0
Number of times run:                 1
Memory used by prepared stmt:        2528
Bytes received by read():            8247
Bytes sent to write():               13662
Read() system calls:                 34
Write() system calls:                10
Bytes read from storage:             0
Bytes written to storage:            0
Cancelled write bytes:               0
Number of output columns:            0
Memory Used:                         104496 (max 340152) bytes
Number of Outstanding Allocations:   202 (max 251)
Number of Pcache Overflow Bytes:     38728 (max 46936) bytes
Largest Allocation:                  87200 bytes
Largest Pcache Allocation:           4360 bytes
Lookaside Slots Used:                32 (max 115)
Successful lookaside attempts:       1703
Lookaside failures due to size:      2
Lookaside failures due to OOM:       0
Pager Heap Usage:                    35312 bytes
Page cache hits:                     6
Page cache misses:                   0
Page cache writes:                   0
Page cache spills:                   0
Schema Heap Usage:                   2600 bytes
Statement Heap/Lookaside Usage:      4592 bytes
Fullscan Steps:                      5
Sort Operations:                     0
Autoindex Inserts:                   0
Virtual Machine Steps:               65
Reprepare operations:                0
Number of times run:                 1
Memory used by prepared stmt:        4592
Bytes received by read():            8346
Bytes sent to write():               14999
Read() system calls:                 36
Write() system calls:                11
Bytes read from storage:             0
Bytes written to storage:            0
Cancelled write bytes:               0
Number of output columns:            0
Memory Used:                         93128 (max 340640) bytes
Number of Outstanding Allocations:   129 (max 256)
Number of Pcache Overflow Bytes:     34624 (max 46936) bytes
Largest Allocation:                  87200 bytes
Largest Pcache Allocation:           4360 bytes
Lookaside Slots Used:                35 (max 115)
Successful lookaside attempts:       2281
Lookaside failures due to size:      3
Lookaside failures due to OOM:       0
Pager Heap Usage:                    35312 bytes
Page cache hits:                     17
Page cache misses:                   0
Page cache writes:                   0
Page cache spills:                   0
Schema Heap Usage:                   0 bytes
Statement Heap/Lookaside Usage:      2528 bytes
Fullscan Steps:                      0
Sort Operations:                     0
Autoindex Inserts:                   0
Virtual Machine Steps:               3
Reprepare operations:                0
Number of times run:                 1
Memory used by prepared stmt:        2528
Bytes received by read():            8445
Bytes sent to write():               16340
Read() system calls:                 38
Write() system calls:                12
Bytes read from storage:             0
Bytes written to storage:            0
Cancelled write bytes:               0
Number of output columns:            2
Column 0 name:                       A
Column 0 declared type:              VARCHAR(15)
Column 1 name:                       B
Column 1 declared type:              VARCHAR(30)
Memory Used:                         95840 (max 340640) bytes
Number of Outstanding Allocations:   176 (max 256)
Number of Pcache Overflow Bytes:     34624 (max 46936) bytes
Largest Allocation:                  87200 bytes
Largest Pcache Allocation:           4360 bytes
Lookaside Slots Used:                54 (max 115)
Successful lookaside attempts:       2400
Lookaside failures due to size:      3
Lookaside failures due to OOM:       0
Pager Heap Usage:                    35312 bytes
Page cache hits:                     3
Page cache misses:                   0
Page cache writes:                   0
Page cache spills:                   0
Schema Heap Usage:                   2640 bytes
Statement Heap/Lookaside Usage:      6720 bytes
Fullscan Steps:                      0
Sort Operations:                     0
Autoindex Inserts:                   0
Virtual Machine Steps:               13
Reprepare operations:                0
Number of times run:                 1
Memory used by prepared stmt:        6720
Bytes received by read():            8544
Bytes sent to write():               17677
Read() system calls:                 41
Write() system calls:                13
Bytes read from storage:             0
Bytes written to storage:            0
Cancelled write bytes:               0

Expectation

Number of output columns:            0
Memory Used:                         90832 (max 92536) bytes
Number of Outstanding Allocations:   188 (max 198)
Number of Pcache Overflow Bytes:     25672 (max 25672) bytes
Largest Allocation:                  48000 bytes
Largest Pcache Allocation:           4368 bytes
Lookaside Slots Used:                48 (max 101)
Successful lookaside attempts:       120
Lookaside failures due to size:      0
Lookaside failures due to OOM:       0
Pager Heap Usage:                    22312 bytes
Page cache hits:                     6
Page cache misses:                   0
Page cache writes:                   0
Page cache spills:                   0
Temporary data spilled to disk:      0
Schema Heap Usage:                   1288 bytes
Statement Heap/Lookaside Usage:      4560 bytes
Fullscan Steps:                      0
Sort Operations:                     0
Autoindex Inserts:                   0
Virtual Machine Steps:               52
Reprepare operations:                0
Number of times run:                 1
Memory used by prepared stmt:        4560
Bytes received by read():            7798
Bytes sent to write():               0
Read() system calls:                 14
Write() system calls:                0
Bytes read from storage:             0
Bytes written to storage:            0
Cancelled write bytes:               0
Number of output columns:            0
Memory Used:                         99680 (max 105496) bytes
Number of Outstanding Allocations:   196 (max 209)
Number of Pcache Overflow Bytes:     34408 (max 34408) bytes
Largest Allocation:                  48000 bytes
Largest Pcache Allocation:           4368 bytes
Lookaside Slots Used:                48 (max 101)
Successful lookaside attempts:       190
Lookaside failures due to size:      0
Lookaside failures due to OOM:       0
Pager Heap Usage:                    31016 bytes
Page cache hits:                     5
Page cache misses:                   0
Page cache writes:                   0
Page cache spills:                   0
Temporary data spilled to disk:      0
Schema Heap Usage:                   1888 bytes
Statement Heap/Lookaside Usage:      4072 bytes
Fullscan Steps:                      0
Sort Operations:                     0
Autoindex Inserts:                   0
Virtual Machine Steps:               39
Reprepare operations:                0
Number of times run:                 1
Memory used by prepared stmt:        4072
Bytes received by read():            7892
Bytes sent to write():               1372
Read() system calls:                 16
Write() system calls:                1
Bytes read from storage:             0
Bytes written to storage:            0
Cancelled write bytes:               0
Number of output columns:            0
Memory Used:                         95616 (max 109440) bytes
Number of Outstanding Allocations:   180 (max 209)
Number of Pcache Overflow Bytes:     34408 (max 34408) bytes
Largest Allocation:                  48000 bytes
Largest Pcache Allocation:           4368 bytes
Lookaside Slots Used:                72 (max 101)
Successful lookaside attempts:       229
Lookaside failures due to size:      0
Lookaside failures due to OOM:       0
Pager Heap Usage:                    31016 bytes
Page cache hits:                     4
Page cache misses:                   0
Page cache writes:                   0
Page cache spills:                   0
Temporary data spilled to disk:      0
Schema Heap Usage:                   1896 bytes
Statement Heap/Lookaside Usage:      6032 bytes
Fullscan Steps:                      0
Sort Operations:                     0
Autoindex Inserts:                   0
Virtual Machine Steps:               26
Reprepare operations:                0
Number of times run:                 1
Memory used by prepared stmt:        6032
Bytes received by read():            7989
Bytes sent to write():               2748
Read() system calls:                 18
Write() system calls:                2
Bytes read from storage:             0
Bytes written to storage:            0
Cancelled write bytes:               0
Number of output columns:            0
Memory Used:                         95616 (max 109440) bytes
Number of Outstanding Allocations:   180 (max 209)
Number of Pcache Overflow Bytes:     34408 (max 34408) bytes
Largest Allocation:                  48000 bytes
Largest Pcache Allocation:           4368 bytes
Lookaside Slots Used:                72 (max 101)
Successful lookaside attempts:       268
Lookaside failures due to size:      0
Lookaside failures due to OOM:       0
Pager Heap Usage:                    31016 bytes
Page cache hits:                     4
Page cache misses:                   0
Page cache writes:                   0
Page cache spills:                   0
Temporary data spilled to disk:      0
Schema Heap Usage:                   1896 bytes
Statement Heap/Lookaside Usage:      6032 bytes
Fullscan Steps:                      0
Sort Operations:                     0
Autoindex Inserts:                   0
Virtual Machine Steps:               26
Reprepare operations:                0
Number of times run:                 1
Memory used by prepared stmt:        6032
Bytes received by read():            8086
Bytes sent to write():               4124
Read() system calls:                 20
Write() system calls:                3
Bytes read from storage:             0
Bytes written to storage:            0
Cancelled write bytes:               0
Number of output columns:            0
Memory Used:                         95624 (max 109440) bytes
Number of Outstanding Allocations:   181 (max 209)
Number of Pcache Overflow Bytes:     34408 (max 34408) bytes
Largest Allocation:                  48000 bytes
Largest Pcache Allocation:           4368 bytes
Lookaside Slots Used:                66 (max 101)
Successful lookaside attempts:       300
Lookaside failures due to size:      0
Lookaside failures due to OOM:       0
Pager Heap Usage:                    31016 bytes
Page cache hits:                     3
Page cache misses:                   0
Page cache writes:                   0
Page cache spills:                   0
Temporary data spilled to disk:      0
Schema Heap Usage:                   1904 bytes
Statement Heap/Lookaside Usage:      5392 bytes
Fullscan Steps:                      0
Sort Operations:                     0
Autoindex Inserts:                   0
Virtual Machine Steps:               20
Reprepare operations:                0
Number of times run:                 1
Memory used by prepared stmt:        5392
Bytes received by read():            8183
Bytes sent to write():               5500
Read() system calls:                 22
Write() system calls:                4
Bytes read from storage:             0
Bytes written to storage:            0
Cancelled write bytes:               0
Number of output columns:            0
Memory Used:                         95624 (max 109440) bytes
Number of Outstanding Allocations:   181 (max 209)
Number of Pcache Overflow Bytes:     34408 (max 34408) bytes
Largest Allocation:                  48000 bytes
Largest Pcache Allocation:           4368 bytes
Lookaside Slots Used:                66 (max 101)
Successful lookaside attempts:       333
Lookaside failures due to size:      0
Lookaside failures due to OOM:       0
Pager Heap Usage:                    31016 bytes
Page cache hits:                     3
Page cache misses:                   0
Page cache writes:                   0
Page cache spills:                   0
Temporary data spilled to disk:      0
Schema Heap Usage:                   1904 bytes
Statement Heap/Lookaside Usage:      5392 bytes
Fullscan Steps:                      0
Sort Operations:                     0
Autoindex Inserts:                   0
Virtual Machine Steps:               20
Reprepare operations:                0
Number of times run:                 1
Memory used by prepared stmt:        5392
Bytes received by read():            8280
Bytes sent to write():               6876
Read() system calls:                 24
Write() system calls:                5
Bytes read from storage:             0
Bytes written to storage:            0
Cancelled write bytes:               0
p|9223372036854775807|1
q|-9223372036854775808|1
Number of output columns:            3
Column 0 name:                       X
Column 0 declared type:              VARCHAR(15)
Column 1 name:                       D
Column 1 declared type:              (null)
Column 2 name:                       E
Column 2 declared type:              (null)
Memory Used:                         97992 (max 109440) bytes
Number of Outstanding Allocations:   182 (max 209)
Number of Pcache Overflow Bytes:     34408 (max 34408) bytes
Largest Allocation:                  48000 bytes
Largest Pcache Allocation:           4368 bytes
Lookaside Slots Used:                74 (max 101)
Successful lookaside attempts:       404
Lookaside failures due to size:      1
Lookaside failures due to OOM:       0
Pager Heap Usage:                    31016 bytes
Page cache hits:                     2
Page cache misses:                   0
Page cache writes:                   0
Page cache spills:                   0
Temporary data spilled to disk:      0
Schema Heap Usage:                   1904 bytes
Statement Heap/Lookaside Usage:      8784 bytes
Fullscan Steps:                      1
Sort Operations:                     1
Autoindex Inserts:                   0
Virtual Machine Steps:               80
Reprepare operations:                0
Number of times run:                 1
Memory used by prepared stmt:        8784
Bytes received by read():            8377
Bytes sent to write():               8252
Read() system calls:                 26
Write() system calls:                6
Bytes read from storage:             0
Bytes written to storage:            0
Cancelled write bytes:               0
Number of output columns:            0
Memory Used:                         93720 (max 332520) bytes
Number of Outstanding Allocations:   139 (max 256)
Number of Pcache Overflow Bytes:     34408 (max 42608) bytes
Largest Allocation:                  87360 bytes
Largest Pcache Allocation:           4368 bytes
Lookaside Slots Used:                51 (max 120)
Successful lookaside attempts:       862
Lookaside failures due to size:      1
Lookaside failures due to OOM:       0
Pager Heap Usage:                    31016 bytes
Page cache hits:                     15
Page cache misses:                   0
Page cache writes:                   0
Page cache spills:                   0
Temporary data spilled to disk:      0
Schema Heap Usage:                   0 bytes
Statement Heap/Lookaside Usage:      2528 bytes
Fullscan Steps:                      0
Sort Operations:                     0
Autoindex Inserts:                   0
Virtual Machine Steps:               4
Reprepare operations:                0
Number of times run:                 1
Memory used by prepared stmt:        2528
Bytes received by read():            8518
Bytes sent to write():               9931
Read() system calls:                 29
Write() system calls:                7
Bytes read from storage:             0
Bytes written to storage:            0
Cancelled write bytes:               0
Number of output columns:            0
Memory Used:                         95600 (max 332520) bytes
Number of Outstanding Allocations:   178 (max 256)
Number of Pcache Overflow Bytes:     34408 (max 42608) bytes
Largest Allocation:                  87360 bytes
Largest Pcache Allocation:           4368 bytes
Lookaside Slots Used:                59 (max 120)
Successful lookaside attempts:       932
Lookaside failures due to size:      1
Lookaside failures due to OOM:       0
Pager Heap Usage:                    31016 bytes
Page cache hits:                     3
Page cache misses:                   0
Page cache writes:                   0
Page cache spills:                   0
Temporary data spilled to disk:      0
Schema Heap Usage:                   1880 bytes
Statement Heap/Lookaside Usage:      3296 bytes
Fullscan Steps:                      0
Sort Operations:                     0
Autoindex Inserts:                   0
Virtual Machine Steps:               6
Reprepare operations:                0
Number of times run:                 1
Memory used by prepared stmt:        3296
Bytes received by read():            8615
Bytes sent to write():               11304
Read() system calls:                 31
Write() system calls:                8
Bytes read from storage:             0
Bytes written to storage:            0
Cancelled write bytes:               0
Number of output columns:            0
Memory Used:                         103904 (max 332520) bytes
Number of Outstanding Allocations:   199 (max 256)
Number of Pcache Overflow Bytes:     38776 (max 42608) bytes
Largest Allocation:                  87360 bytes
Largest Pcache Allocation:           4368 bytes
Lookaside Slots Used:                48 (max 120)
Successful lookaside attempts:       1006
Lookaside failures due to size:      1
Lookaside failures due to OOM:       0
Pager Heap Usage:                    35368 bytes
Page cache hits:                     5
Page cache misses:                   0
Page cache writes:                   0
Page cache spills:                   0
Temporary data spilled to disk:      0
Schema Heap Usage:                   2240 bytes
Statement Heap/Lookaside Usage:      3520 bytes
Fullscan Steps:                      0
Sort Operations:                     1
Autoindex Inserts:                   0
Virtual Machine Steps:               48
Reprepare operations:                0
Number of times run:                 1
Memory used by prepared stmt:        3520
Bytes received by read():            8713
Bytes sent to write():               12680
Read() system calls:                 33
Write() system calls:                9
Bytes read from storage:             0
Bytes written to storage:            0
Cancelled write bytes:               0
Number of output columns:            0
Memory Used:                         98088 (max 340624) bytes
Number of Outstanding Allocations:   140 (max 261)
Number of Pcache Overflow Bytes:     38776 (max 46976) bytes
Largest Allocation:                  87360 bytes
Largest Pcache Allocation:           4368 bytes
Lookaside Slots Used:                51 (max 120)
Successful lookaside attempts:       1540
Lookaside failures due to size:      2
Lookaside failures due to OOM:       0
Pager Heap Usage:                    35368 bytes
Page cache hits:                     17
Page cache misses:                   0
Page cache writes:                   0
Page cache spills:                   0
Temporary data spilled to disk:      0
Schema Heap Usage:                   0 bytes
Statement Heap/Lookaside Usage:      2528 bytes
Fullscan Steps:                      0
Sort Operations:                     0
Autoindex Inserts:                   0
Virtual Machine Steps:               4
Reprepare operations:                0
Number of times run:                 1
Memory used by prepared stmt:        2528
Bytes received by read():            8811
Bytes sent to write():               14059
Read() system calls:                 35
Write() system calls:                10
Bytes read from storage:             0
Bytes written to storage:            0
Cancelled write bytes:               0
Number of output columns:            0
Memory Used:                         104680 (max 340624) bytes
Number of Outstanding Allocations:   203 (max 261)
Number of Pcache Overflow Bytes:     38776 (max 46976) bytes
Largest Allocation:                  87360 bytes
Largest Pcache Allocation:           4368 bytes
Lookaside Slots Used:                48 (max 120)
Successful lookaside attempts:       1607
Lookaside failures due to size:      2
Lookaside failures due to OOM:       0
Pager Heap Usage:                    35368 bytes
Page cache hits:                     6
Page cache misses:                   0
Page cache writes:                   0
Page cache spills:                   0
Temporary data spilled to disk:      0
Schema Heap Usage:                   2440 bytes
Statement Heap/Lookaside Usage:      4152 bytes
Fullscan Steps:                      5
Sort Operations:                     0
Autoindex Inserts:                   0
Virtual Machine Steps:               65
Reprepare operations:                0
Number of times run:                 1
Memory used by prepared stmt:        4152
Bytes received by read():            8910
Bytes sent to write():               15435
Read() system calls:                 37
Write() system calls:                11
Bytes read from storage:             0
Bytes written to storage:            0
Cancelled write bytes:               0
Number of output columns:            0
Memory Used:                         98088 (max 341032) bytes
Number of Outstanding Allocations:   140 (max 266)
Number of Pcache Overflow Bytes:     38776 (max 46976) bytes
Largest Allocation:                  87360 bytes
Largest Pcache Allocation:           4368 bytes
Lookaside Slots Used:                51 (max 120)
Successful lookaside attempts:       2142
Lookaside failures due to size:      3
Lookaside failures due to OOM:       0
Pager Heap Usage:                    35368 bytes
Page cache hits:                     17
Page cache misses:                   0
Page cache writes:                   0
Page cache spills:                   0
Temporary data spilled to disk:      0
Schema Heap Usage:                   0 bytes
Statement Heap/Lookaside Usage:      2528 bytes
Fullscan Steps:                      0
Sort Operations:                     0
Autoindex Inserts:                   0
Virtual Machine Steps:               4
Reprepare operations:                0
Number of times run:                 1
Memory used by prepared stmt:        2528
Bytes received by read():            9009
Bytes sent to write():               16815
Read() system calls:                 39
Write() system calls:                12
Bytes read from storage:             0
Bytes written to storage:            0
Cancelled write bytes:               0
Number of output columns:            2
Column 0 name:                       A
Column 0 declared type:              VARCHAR(15)
Column 1 name:                       B
Column 1 declared type:              VARCHAR(30)
Memory Used:                         100536 (max 341032) bytes
Number of Outstanding Allocations:   187 (max 266)
Number of Pcache Overflow Bytes:     38776 (max 46976) bytes
Largest Allocation:                  87360 bytes
Largest Pcache Allocation:           4368 bytes
Lookaside Slots Used:                70 (max 120)
Successful lookaside attempts:       2256
Lookaside failures due to size:      4
Lookaside failures due to OOM:       0
Pager Heap Usage:                    35368 bytes
Page cache hits:                     3
Page cache misses:                   0
Page cache writes:                   0
Page cache spills:                   0
Temporary data spilled to disk:      0
Schema Heap Usage:                   2448 bytes
Statement Heap/Lookaside Usage:      7792 bytes
Fullscan Steps:                      0
Sort Operations:                     0
Autoindex Inserts:                   0
Virtual Machine Steps:               15
Reprepare operations:                0
Number of times run:                 1
Memory used by prepared stmt:        7792
Bytes received by read():            9108
Bytes sent to write():               18191
Read() system calls:                 42
Write() system calls:                13
Bytes read from storage:             0
Bytes written to storage:            0
Cancelled write bytes:               0

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