## Summary **No review yet** ## Minimized query ```sql .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); CREATE INDEX IF NOT EXISTS idx_T1_9460 ON T1(A COLLATE NOCASE); ``` ## Actual output ```sql 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(): 7343 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(): 7437 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(): 7534 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(): 7631 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(): 7728 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(): 7825 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(): 7922 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(): 8019 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(): 8116 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(): 8214 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(): 8312 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(): 8411 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(): 8510 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(): 8609 Bytes sent to write(): 17677 Read() system calls: 40 Write() system calls: 13 Bytes read from storage: 0 Bytes written to storage: 0 Cancelled write bytes: 0 Number of output columns: 0 Memory Used: 107344 (max 340640) bytes Number of Outstanding Allocations: 196 (max 256) Number of Pcache Overflow Bytes: 43088 (max 46936) bytes Largest Allocation: 87200 bytes Largest Pcache Allocation: 4360 bytes Lookaside Slots Used: 32 (max 115) Successful lookaside attempts: 2480 Lookaside failures due to size: 3 Lookaside failures due to OOM: 0 Pager Heap Usage: 39656 bytes Page cache hits: 5 Page cache misses: 0 Page cache writes: 0 Page cache spills: 0 Schema Heap Usage: 2864 bytes Statement Heap/Lookaside Usage: 2752 bytes Fullscan Steps: 0 Sort Operations: 1 Autoindex Inserts: 0 Virtual Machine Steps: 44 Reprepare operations: 0 Number of times run: 1 Memory used by prepared stmt: 2752 Bytes received by read(): 8708 Bytes sent to write(): 19193 Read() system calls: 43 Write() system calls: 14 Bytes read from storage: 0 Bytes written to storage: 0 Cancelled write bytes: 0 ``` ## Expectation ```sql 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(): 7863 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(): 7957 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(): 8054 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(): 8151 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(): 8248 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(): 8345 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(): 8442 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(): 8583 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(): 8680 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(): 8778 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(): 8876 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(): 8975 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(): 9074 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(): 9173 Bytes sent to write(): 18191 Read() system calls: 41 Write() system calls: 13 Bytes read from storage: 0 Bytes written to storage: 0 Cancelled write bytes: 0 Number of output columns: 0 Memory Used: 108040 (max 341032) bytes Number of Outstanding Allocations: 206 (max 266) Number of Pcache Overflow Bytes: 43144 (max 46976) bytes Largest Allocation: 87360 bytes Largest Pcache Allocation: 4368 bytes Lookaside Slots Used: 48 (max 120) Successful lookaside attempts: 2329 Lookaside failures due to size: 4 Lookaside failures due to OOM: 0 Pager Heap Usage: 39720 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: 2904 bytes Statement Heap/Lookaside Usage: 2624 bytes Fullscan Steps: 0 Sort Operations: 1 Autoindex Inserts: 0 Virtual Machine Steps: 44 Reprepare operations: 0 Number of times run: 1 Memory used by prepared stmt: 2624 Bytes received by read(): 9272 Bytes sent to write(): 19747 Read() system calls: 44 Write() system calls: 14 Bytes read from storage: 0 Bytes written to storage: 0 Cancelled write bytes: 0 ``` ## Flag ``` ```