730 lines
29 KiB
Markdown
730 lines
29 KiB
Markdown
## Summary
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<!--Explain briefly what goes wrong and explain why you believe this is a bug and not the intended behavior of SQLite (if it is not a crash).-->**No review yet**
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## Minimized query
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```sql
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PRAGMA index_list(users);
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PRAGMA table_info(users);
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PRAGMA application_id;
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PRAGMA optimize;
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.stats on
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CREATE TABLE t1(n int, log int);
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BEGIN;
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INSERT INTO t1 VALUES(((2 + 0) - 0), 1);
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INSERT INTO t1 VALUES(3, 1);
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INSERT INTO t1 VALUES(4, 1);
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INSERT INTO t1 VALUES(4, 3);
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SELECT min(n),min(log),max(n),max(log),sum(n),sum(log),avg(n),avg(log) FROM t1;
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SELECT log, avg(n)+1 FROM t1 GROUP BY log ORDER BY log;
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SELECT log*2+1 AS x, count(*) AS y FROM t1 GROUP BY x ORDER BY 10-(x+y);
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SELECT log, count(*) FROM t1 GROUP BY log HAVING count(*)>=4 ORDER BY log;
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SELECT log, count(*), avg(n), max(n+log*2) FROM t1 GROUP BY log ORDER BY max(n+log*2)+0, min(log,avg(n))+0;
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```
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## Actual output
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```sql
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0
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Memory Used: 78848 (max 80400) bytes
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Number of Outstanding Allocations: 162 (max 176)
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Number of Pcache Overflow Bytes: 16928 (max 16928) bytes
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Largest Allocation: 48000 bytes
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Largest Pcache Allocation: 4360 bytes
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Lookaside Slots Used: 32 (max 88)
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Successful lookaside attempts: 180
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Lookaside failures due to size: 0
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Lookaside failures due to OOM: 0
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Pager Heap Usage: 13592 bytes
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Page cache hits: 7
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Page cache misses: 0
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Page cache writes: 0
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Page cache spills: 0
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Schema Heap Usage: 1008 bytes
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Statement Heap/Lookaside Usage: 2400 bytes
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Fullscan Steps: 0
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Sort Operations: 0
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Autoindex Inserts: 0
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Virtual Machine Steps: 30
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Reprepare operations: 0
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Number of times run: 1
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Memory used by prepared stmt: 2400
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Bytes received by read(): 7232
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Bytes sent to write(): 2
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Read() system calls: 14
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Write() system calls: 1
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Bytes read from storage: 0
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Bytes written to storage: 0
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Cancelled write bytes: 0
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Memory Used: 76448 (max 80400) bytes
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Number of Outstanding Allocations: 150 (max 176)
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Number of Pcache Overflow Bytes: 16928 (max 16928) bytes
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Largest Allocation: 48000 bytes
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Largest Pcache Allocation: 4360 bytes
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Lookaside Slots Used: 35 (max 88)
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Successful lookaside attempts: 183
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Lookaside failures due to size: 0
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Lookaside failures due to OOM: 0
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Pager Heap Usage: 13592 bytes
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Page cache hits: 0
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Page cache misses: 0
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Page cache writes: 0
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Page cache spills: 0
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Schema Heap Usage: 1008 bytes
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Statement Heap/Lookaside Usage: 2528 bytes
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Fullscan Steps: 0
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Sort Operations: 0
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Autoindex Inserts: 0
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Virtual Machine Steps: 2
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Reprepare operations: 0
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Number of times run: 1
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Memory used by prepared stmt: 2528
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Bytes received by read(): 7326
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Bytes sent to write(): 1295
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Read() system calls: 16
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Write() system calls: 2
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Bytes read from storage: 0
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Bytes written to storage: 0
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Cancelled write bytes: 0
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Memory Used: 82152 (max 82152) bytes
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Number of Outstanding Allocations: 157 (max 176)
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Number of Pcache Overflow Bytes: 16928 (max 16928) bytes
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Largest Allocation: 48000 bytes
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Largest Pcache Allocation: 4360 bytes
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Lookaside Slots Used: 38 (max 88)
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Successful lookaside attempts: 209
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Lookaside failures due to size: 0
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Lookaside failures due to OOM: 0
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Pager Heap Usage: 13592 bytes
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Page cache hits: 2
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Page cache misses: 0
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Page cache writes: 0
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Page cache spills: 0
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Schema Heap Usage: 1032 bytes
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Statement Heap/Lookaside Usage: 2912 bytes
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Fullscan Steps: 0
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Sort Operations: 0
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Autoindex Inserts: 0
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Virtual Machine Steps: 14
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Reprepare operations: 0
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Number of times run: 1
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Memory used by prepared stmt: 2912
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Bytes received by read(): 7423
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Bytes sent to write(): 2590
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Read() system calls: 18
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Write() system calls: 3
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Bytes read from storage: 0
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Bytes written to storage: 0
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Cancelled write bytes: 0
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Memory Used: 82152 (max 82152) bytes
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Number of Outstanding Allocations: 157 (max 176)
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Number of Pcache Overflow Bytes: 16928 (max 16928) bytes
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Largest Allocation: 48000 bytes
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Largest Pcache Allocation: 4360 bytes
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Lookaside Slots Used: 38 (max 88)
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Successful lookaside attempts: 226
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Lookaside failures due to size: 0
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Lookaside failures due to OOM: 0
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Pager Heap Usage: 13592 bytes
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Page cache hits: 1
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Page cache misses: 0
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Page cache writes: 0
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Page cache spills: 0
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Schema Heap Usage: 1032 bytes
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Statement Heap/Lookaside Usage: 2912 bytes
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Fullscan Steps: 0
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Sort Operations: 0
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Autoindex Inserts: 0
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Virtual Machine Steps: 10
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Reprepare operations: 0
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Number of times run: 1
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Memory used by prepared stmt: 2912
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Bytes received by read(): 7520
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Bytes sent to write(): 3886
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Read() system calls: 20
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Write() system calls: 4
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Bytes read from storage: 0
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Bytes written to storage: 0
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Cancelled write bytes: 0
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Memory Used: 82152 (max 82152) bytes
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Number of Outstanding Allocations: 157 (max 176)
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Number of Pcache Overflow Bytes: 16928 (max 16928) bytes
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Largest Allocation: 48000 bytes
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Largest Pcache Allocation: 4360 bytes
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Lookaside Slots Used: 38 (max 88)
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Successful lookaside attempts: 243
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Lookaside failures due to size: 0
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Lookaside failures due to OOM: 0
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Pager Heap Usage: 13592 bytes
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Page cache hits: 1
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Page cache misses: 0
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Page cache writes: 0
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Page cache spills: 0
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Schema Heap Usage: 1032 bytes
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Statement Heap/Lookaside Usage: 2912 bytes
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Fullscan Steps: 0
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Sort Operations: 0
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Autoindex Inserts: 0
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Virtual Machine Steps: 10
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Reprepare operations: 0
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Number of times run: 1
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Memory used by prepared stmt: 2912
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Bytes received by read(): 7617
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Bytes sent to write(): 5182
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Read() system calls: 22
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Write() system calls: 5
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Bytes read from storage: 0
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Bytes written to storage: 0
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Cancelled write bytes: 0
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Memory Used: 82152 (max 82152) bytes
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Number of Outstanding Allocations: 157 (max 176)
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Number of Pcache Overflow Bytes: 16928 (max 16928) bytes
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Largest Allocation: 48000 bytes
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Largest Pcache Allocation: 4360 bytes
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Lookaside Slots Used: 38 (max 88)
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Successful lookaside attempts: 260
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Lookaside failures due to size: 0
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Lookaside failures due to OOM: 0
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Pager Heap Usage: 13592 bytes
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Page cache hits: 1
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Page cache misses: 0
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Page cache writes: 0
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Page cache spills: 0
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Schema Heap Usage: 1032 bytes
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Statement Heap/Lookaside Usage: 2912 bytes
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Fullscan Steps: 0
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Sort Operations: 0
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Autoindex Inserts: 0
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Virtual Machine Steps: 10
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Reprepare operations: 0
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Number of times run: 1
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Memory used by prepared stmt: 2912
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Bytes received by read(): 7714
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Bytes sent to write(): 6478
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Read() system calls: 24
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Write() system calls: 6
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Bytes read from storage: 0
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Bytes written to storage: 0
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Cancelled write bytes: 0
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2|1|4|3|13|6|3.25|1.5
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Memory Used: 84528 (max 84728) bytes
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Number of Outstanding Allocations: 158 (max 176)
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Number of Pcache Overflow Bytes: 16928 (max 16928) bytes
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Largest Allocation: 48000 bytes
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Largest Pcache Allocation: 4360 bytes
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Lookaside Slots Used: 61 (max 96)
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Successful lookaside attempts: 353
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Lookaside failures due to size: 1
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Lookaside failures due to OOM: 0
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Pager Heap Usage: 13592 bytes
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Page cache hits: 1
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Page cache misses: 0
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Page cache writes: 0
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Page cache spills: 0
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Schema Heap Usage: 1032 bytes
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Statement Heap/Lookaside Usage: 8232 bytes
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Fullscan Steps: 3
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Sort Operations: 0
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Autoindex Inserts: 0
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Virtual Machine Steps: 101
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Reprepare operations: 0
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Number of times run: 1
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Memory used by prepared stmt: 8232
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Bytes received by read(): 7811
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Bytes sent to write(): 7774
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Read() system calls: 26
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Write() system calls: 7
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Bytes read from storage: 0
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Bytes written to storage: 0
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Cancelled write bytes: 0
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1|4.0
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3|5.0
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Memory Used: 84528 (max 88840) bytes
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Number of Outstanding Allocations: 158 (max 176)
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Number of Pcache Overflow Bytes: 16928 (max 16928) bytes
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Largest Allocation: 48000 bytes
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Largest Pcache Allocation: 4360 bytes
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Lookaside Slots Used: 58 (max 96)
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Successful lookaside attempts: 421
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Lookaside failures due to size: 2
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Lookaside failures due to OOM: 0
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Pager Heap Usage: 13592 bytes
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Page cache hits: 1
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Page cache misses: 0
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Page cache writes: 0
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Page cache spills: 0
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Schema Heap Usage: 1032 bytes
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Statement Heap/Lookaside Usage: 8792 bytes
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Fullscan Steps: 3
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Sort Operations: 1
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Autoindex Inserts: 0
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Virtual Machine Steps: 105
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Reprepare operations: 0
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Number of times run: 1
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Memory used by prepared stmt: 8792
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Bytes received by read(): 7908
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Bytes sent to write(): 9093
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Read() system calls: 28
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Write() system calls: 8
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Bytes read from storage: 0
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Bytes written to storage: 0
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Cancelled write bytes: 0
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7|1
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3|3
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Memory Used: 86104 (max 94672) bytes
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Number of Outstanding Allocations: 159 (max 176)
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Number of Pcache Overflow Bytes: 16928 (max 16928) bytes
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Largest Allocation: 48000 bytes
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Largest Pcache Allocation: 4360 bytes
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Lookaside Slots Used: 58 (max 98)
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Successful lookaside attempts: 512
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Lookaside failures due to size: 4
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Lookaside failures due to OOM: 0
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Pager Heap Usage: 13592 bytes
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Page cache hits: 1
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Page cache misses: 0
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Page cache writes: 0
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Page cache spills: 0
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Schema Heap Usage: 1032 bytes
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Statement Heap/Lookaside Usage: 9168 bytes
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Fullscan Steps: 3
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Sort Operations: 2
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Autoindex Inserts: 0
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Virtual Machine Steps: 135
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Reprepare operations: 0
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Number of times run: 1
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Memory used by prepared stmt: 9168
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Bytes received by read(): 8005
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Bytes sent to write(): 10402
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Read() system calls: 30
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Write() system calls: 9
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Bytes read from storage: 0
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Bytes written to storage: 0
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Cancelled write bytes: 0
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Memory Used: 84528 (max 94672) bytes
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Number of Outstanding Allocations: 158 (max 176)
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Number of Pcache Overflow Bytes: 16928 (max 16928) bytes
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Largest Allocation: 48000 bytes
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Largest Pcache Allocation: 4360 bytes
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Lookaside Slots Used: 56 (max 98)
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Successful lookaside attempts: 576
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Lookaside failures due to size: 5
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Lookaside failures due to OOM: 0
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Pager Heap Usage: 13592 bytes
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Page cache hits: 1
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Page cache misses: 0
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Page cache writes: 0
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Page cache spills: 0
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Schema Heap Usage: 1032 bytes
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Statement Heap/Lookaside Usage: 8536 bytes
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Fullscan Steps: 3
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Sort Operations: 1
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Autoindex Inserts: 0
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Virtual Machine Steps: 93
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Reprepare operations: 0
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Number of times run: 1
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Memory used by prepared stmt: 8536
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Bytes received by read(): 8103
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Bytes sent to write(): 11708
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Read() system calls: 32
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Write() system calls: 10
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Bytes read from storage: 0
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Bytes written to storage: 0
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Cancelled write bytes: 0
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1|3|3.0|6
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3|1|4.0|10
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Memory Used: 86440 (max 95120) bytes
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Number of Outstanding Allocations: 159 (max 176)
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Number of Pcache Overflow Bytes: 16928 (max 16928) bytes
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Largest Allocation: 48000 bytes
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Largest Pcache Allocation: 4360 bytes
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Lookaside Slots Used: 69 (max 115)
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Successful lookaside attempts: 688
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Lookaside failures due to size: 7
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Lookaside failures due to OOM: 0
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Pager Heap Usage: 13592 bytes
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Page cache hits: 1
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Page cache misses: 0
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Page cache writes: 0
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Page cache spills: 0
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Schema Heap Usage: 1032 bytes
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Statement Heap/Lookaside Usage: 26992 bytes
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Fullscan Steps: 3
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Sort Operations: 2
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Autoindex Inserts: 0
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Virtual Machine Steps: 168
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Reprepare operations: 0
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Number of times run: 1
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Memory used by prepared stmt: 26992
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Bytes received by read(): 8202
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Bytes sent to write(): 13006
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Read() system calls: 34
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Write() system calls: 11
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Bytes read from storage: 0
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Bytes written to storage: 0
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Cancelled write bytes: 0
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```
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## Expectation
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```sql
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0
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Memory Used: 79400 (max 80936) bytes
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Number of Outstanding Allocations: 172 (max 186)
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Number of Pcache Overflow Bytes: 16936 (max 16936) bytes
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Largest Allocation: 48000 bytes
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Largest Pcache Allocation: 4368 bytes
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Lookaside Slots Used: 48 (max 97)
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Successful lookaside attempts: 184
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Lookaside failures due to size: 0
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Lookaside failures due to OOM: 0
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Pager Heap Usage: 13608 bytes
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Page cache hits: 7
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Page cache misses: 0
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Page cache writes: 0
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Page cache spills: 0
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Temporary data spilled to disk: 0
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Schema Heap Usage: 856 bytes
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Statement Heap/Lookaside Usage: 2296 bytes
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Fullscan Steps: 0
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Sort Operations: 0
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Autoindex Inserts: 0
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Virtual Machine Steps: 30
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Reprepare operations: 0
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Number of times run: 1
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Memory used by prepared stmt: 2296
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Bytes received by read(): 7752
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Bytes sent to write(): 2
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Read() system calls: 14
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Write() system calls: 1
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Bytes read from storage: 0
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Bytes written to storage: 0
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Cancelled write bytes: 0
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Memory Used: 77104 (max 80936) bytes
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Number of Outstanding Allocations: 160 (max 186)
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Number of Pcache Overflow Bytes: 16936 (max 16936) bytes
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Largest Allocation: 48000 bytes
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Largest Pcache Allocation: 4368 bytes
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Lookaside Slots Used: 51 (max 97)
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Successful lookaside attempts: 187
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Lookaside failures due to size: 0
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Lookaside failures due to OOM: 0
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Pager Heap Usage: 13608 bytes
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Page cache hits: 0
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Page cache misses: 0
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Page cache writes: 0
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Page cache spills: 0
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Temporary data spilled to disk: 0
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Schema Heap Usage: 856 bytes
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Statement Heap/Lookaside Usage: 2528 bytes
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Fullscan Steps: 0
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Sort Operations: 0
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Autoindex Inserts: 0
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Virtual Machine Steps: 3
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Reprepare operations: 0
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Number of times run: 1
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Memory used by prepared stmt: 2528
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Bytes received by read(): 7846
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Bytes sent to write(): 1333
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Read() system calls: 16
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Write() system calls: 2
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Bytes read from storage: 0
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Bytes written to storage: 0
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Cancelled write bytes: 0
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Memory Used: 82744 (max 82744) bytes
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Number of Outstanding Allocations: 167 (max 186)
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Number of Pcache Overflow Bytes: 16936 (max 16936) bytes
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Largest Allocation: 48000 bytes
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Largest Pcache Allocation: 4368 bytes
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Lookaside Slots Used: 54 (max 97)
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Successful lookaside attempts: 213
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Lookaside failures due to size: 0
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Lookaside failures due to OOM: 0
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Pager Heap Usage: 13608 bytes
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Page cache hits: 2
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Page cache misses: 0
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Page cache writes: 0
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Page cache spills: 0
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Temporary data spilled to disk: 0
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Schema Heap Usage: 864 bytes
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Statement Heap/Lookaside Usage: 2912 bytes
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Fullscan Steps: 0
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Sort Operations: 0
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Autoindex Inserts: 0
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Virtual Machine Steps: 14
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Reprepare operations: 0
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Number of times run: 1
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Memory used by prepared stmt: 2912
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Bytes received by read(): 7943
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Bytes sent to write(): 2666
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Read() system calls: 18
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Write() system calls: 3
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Bytes read from storage: 0
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Bytes written to storage: 0
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Cancelled write bytes: 0
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Memory Used: 82744 (max 82744) bytes
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Number of Outstanding Allocations: 167 (max 186)
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Number of Pcache Overflow Bytes: 16936 (max 16936) bytes
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Largest Allocation: 48000 bytes
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Largest Pcache Allocation: 4368 bytes
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Lookaside Slots Used: 54 (max 97)
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Successful lookaside attempts: 230
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Lookaside failures due to size: 0
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Lookaside failures due to OOM: 0
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Pager Heap Usage: 13608 bytes
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Page cache hits: 1
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Page cache misses: 0
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Page cache writes: 0
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Page cache spills: 0
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Temporary data spilled to disk: 0
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Schema Heap Usage: 864 bytes
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Statement Heap/Lookaside Usage: 2912 bytes
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Fullscan Steps: 0
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Sort Operations: 0
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Autoindex Inserts: 0
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Virtual Machine Steps: 10
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Reprepare operations: 0
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Number of times run: 1
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Memory used by prepared stmt: 2912
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Bytes received by read(): 8040
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Bytes sent to write(): 4000
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Read() system calls: 20
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Write() system calls: 4
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Bytes read from storage: 0
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Bytes written to storage: 0
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Cancelled write bytes: 0
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Memory Used: 82744 (max 82744) bytes
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Number of Outstanding Allocations: 167 (max 186)
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Number of Pcache Overflow Bytes: 16936 (max 16936) bytes
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Largest Allocation: 48000 bytes
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Largest Pcache Allocation: 4368 bytes
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Lookaside Slots Used: 54 (max 97)
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Successful lookaside attempts: 247
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Lookaside failures due to size: 0
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Lookaside failures due to OOM: 0
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Pager Heap Usage: 13608 bytes
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Page cache hits: 1
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Page cache misses: 0
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Page cache writes: 0
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Page cache spills: 0
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Temporary data spilled to disk: 0
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Schema Heap Usage: 864 bytes
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Statement Heap/Lookaside Usage: 2912 bytes
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Fullscan Steps: 0
|
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Sort Operations: 0
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Autoindex Inserts: 0
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Virtual Machine Steps: 10
|
|
Reprepare operations: 0
|
|
Number of times run: 1
|
|
Memory used by prepared stmt: 2912
|
|
Bytes received by read(): 8137
|
|
Bytes sent to write(): 5334
|
|
Read() system calls: 22
|
|
Write() system calls: 5
|
|
Bytes read from storage: 0
|
|
Bytes written to storage: 0
|
|
Cancelled write bytes: 0
|
|
Memory Used: 82744 (max 82744) bytes
|
|
Number of Outstanding Allocations: 167 (max 186)
|
|
Number of Pcache Overflow Bytes: 16936 (max 16936) bytes
|
|
Largest Allocation: 48000 bytes
|
|
Largest Pcache Allocation: 4368 bytes
|
|
Lookaside Slots Used: 54 (max 97)
|
|
Successful lookaside attempts: 264
|
|
Lookaside failures due to size: 0
|
|
Lookaside failures due to OOM: 0
|
|
Pager Heap Usage: 13608 bytes
|
|
Page cache hits: 1
|
|
Page cache misses: 0
|
|
Page cache writes: 0
|
|
Page cache spills: 0
|
|
Temporary data spilled to disk: 0
|
|
Schema Heap Usage: 864 bytes
|
|
Statement Heap/Lookaside Usage: 2912 bytes
|
|
Fullscan Steps: 0
|
|
Sort Operations: 0
|
|
Autoindex Inserts: 0
|
|
Virtual Machine Steps: 10
|
|
Reprepare operations: 0
|
|
Number of times run: 1
|
|
Memory used by prepared stmt: 2912
|
|
Bytes received by read(): 8234
|
|
Bytes sent to write(): 6668
|
|
Read() system calls: 24
|
|
Write() system calls: 6
|
|
Bytes read from storage: 0
|
|
Bytes written to storage: 0
|
|
Cancelled write bytes: 0
|
|
2|1|4|3|13|6|3.25|1.5
|
|
Memory Used: 85112 (max 85312) bytes
|
|
Number of Outstanding Allocations: 168 (max 186)
|
|
Number of Pcache Overflow Bytes: 16936 (max 16936) bytes
|
|
Largest Allocation: 48000 bytes
|
|
Largest Pcache Allocation: 4368 bytes
|
|
Lookaside Slots Used: 69 (max 103)
|
|
Successful lookaside attempts: 348
|
|
Lookaside failures due to size: 1
|
|
Lookaside failures due to OOM: 0
|
|
Pager Heap Usage: 13608 bytes
|
|
Page cache hits: 1
|
|
Page cache misses: 0
|
|
Page cache writes: 0
|
|
Page cache spills: 0
|
|
Temporary data spilled to disk: 0
|
|
Schema Heap Usage: 864 bytes
|
|
Statement Heap/Lookaside Usage: 8272 bytes
|
|
Fullscan Steps: 3
|
|
Sort Operations: 0
|
|
Autoindex Inserts: 0
|
|
Virtual Machine Steps: 101
|
|
Reprepare operations: 0
|
|
Number of times run: 1
|
|
Memory used by prepared stmt: 8272
|
|
Bytes received by read(): 8331
|
|
Bytes sent to write(): 8002
|
|
Read() system calls: 26
|
|
Write() system calls: 7
|
|
Bytes read from storage: 0
|
|
Bytes written to storage: 0
|
|
Cancelled write bytes: 0
|
|
1|4.0
|
|
3|5.0
|
|
Memory Used: 85112 (max 89416) bytes
|
|
Number of Outstanding Allocations: 168 (max 186)
|
|
Number of Pcache Overflow Bytes: 16936 (max 16936) bytes
|
|
Largest Allocation: 48000 bytes
|
|
Largest Pcache Allocation: 4368 bytes
|
|
Lookaside Slots Used: 72 (max 103)
|
|
Successful lookaside attempts: 415
|
|
Lookaside failures due to size: 2
|
|
Lookaside failures due to OOM: 0
|
|
Pager Heap Usage: 13608 bytes
|
|
Page cache hits: 1
|
|
Page cache misses: 0
|
|
Page cache writes: 0
|
|
Page cache spills: 0
|
|
Temporary data spilled to disk: 0
|
|
Schema Heap Usage: 864 bytes
|
|
Statement Heap/Lookaside Usage: 9600 bytes
|
|
Fullscan Steps: 3
|
|
Sort Operations: 1
|
|
Autoindex Inserts: 0
|
|
Virtual Machine Steps: 106
|
|
Reprepare operations: 0
|
|
Number of times run: 1
|
|
Memory used by prepared stmt: 9600
|
|
Bytes received by read(): 8428
|
|
Bytes sent to write(): 9360
|
|
Read() system calls: 28
|
|
Write() system calls: 8
|
|
Bytes read from storage: 0
|
|
Bytes written to storage: 0
|
|
Cancelled write bytes: 0
|
|
7|1
|
|
3|3
|
|
Memory Used: 86680 (max 95232) bytes
|
|
Number of Outstanding Allocations: 169 (max 186)
|
|
Number of Pcache Overflow Bytes: 16936 (max 16936) bytes
|
|
Largest Allocation: 48000 bytes
|
|
Largest Pcache Allocation: 4368 bytes
|
|
Lookaside Slots Used: 72 (max 119)
|
|
Successful lookaside attempts: 508
|
|
Lookaside failures due to size: 4
|
|
Lookaside failures due to OOM: 0
|
|
Pager Heap Usage: 13608 bytes
|
|
Page cache hits: 1
|
|
Page cache misses: 0
|
|
Page cache writes: 0
|
|
Page cache spills: 0
|
|
Temporary data spilled to disk: 0
|
|
Schema Heap Usage: 864 bytes
|
|
Statement Heap/Lookaside Usage: 24976 bytes
|
|
Fullscan Steps: 3
|
|
Sort Operations: 2
|
|
Autoindex Inserts: 0
|
|
Virtual Machine Steps: 134
|
|
Reprepare operations: 0
|
|
Number of times run: 1
|
|
Memory used by prepared stmt: 24976
|
|
Bytes received by read(): 8525
|
|
Bytes sent to write(): 10708
|
|
Read() system calls: 30
|
|
Write() system calls: 9
|
|
Bytes read from storage: 0
|
|
Bytes written to storage: 0
|
|
Cancelled write bytes: 0
|
|
Memory Used: 85112 (max 95232) bytes
|
|
Number of Outstanding Allocations: 168 (max 186)
|
|
Number of Pcache Overflow Bytes: 16936 (max 16936) bytes
|
|
Largest Allocation: 48000 bytes
|
|
Largest Pcache Allocation: 4368 bytes
|
|
Lookaside Slots Used: 71 (max 119)
|
|
Successful lookaside attempts: 572
|
|
Lookaside failures due to size: 5
|
|
Lookaside failures due to OOM: 0
|
|
Pager Heap Usage: 13608 bytes
|
|
Page cache hits: 1
|
|
Page cache misses: 0
|
|
Page cache writes: 0
|
|
Page cache spills: 0
|
|
Temporary data spilled to disk: 0
|
|
Schema Heap Usage: 864 bytes
|
|
Statement Heap/Lookaside Usage: 8400 bytes
|
|
Fullscan Steps: 3
|
|
Sort Operations: 1
|
|
Autoindex Inserts: 0
|
|
Virtual Machine Steps: 94
|
|
Reprepare operations: 0
|
|
Number of times run: 1
|
|
Memory used by prepared stmt: 8400
|
|
Bytes received by read(): 8623
|
|
Bytes sent to write(): 12055
|
|
Read() system calls: 32
|
|
Write() system calls: 10
|
|
Bytes read from storage: 0
|
|
Bytes written to storage: 0
|
|
Cancelled write bytes: 0
|
|
1|3|3.0|6
|
|
3|1|4.0|10
|
|
Memory Used: 87168 (max 95824) bytes
|
|
Number of Outstanding Allocations: 175 (max 186)
|
|
Number of Pcache Overflow Bytes: 16936 (max 16936) bytes
|
|
Largest Allocation: 48000 bytes
|
|
Largest Pcache Allocation: 4368 bytes
|
|
Lookaside Slots Used: 77 (max 123)
|
|
Successful lookaside attempts: 677
|
|
Lookaside failures due to size: 7
|
|
Lookaside failures due to OOM: 6
|
|
Pager Heap Usage: 13608 bytes
|
|
Page cache hits: 1
|
|
Page cache misses: 0
|
|
Page cache writes: 0
|
|
Page cache spills: 0
|
|
Temporary data spilled to disk: 0
|
|
Schema Heap Usage: 864 bytes
|
|
Statement Heap/Lookaside Usage: 28248 bytes
|
|
Fullscan Steps: 3
|
|
Sort Operations: 2
|
|
Autoindex Inserts: 0
|
|
Virtual Machine Steps: 171
|
|
Reprepare operations: 0
|
|
Number of times run: 1
|
|
Memory used by prepared stmt: 28248
|
|
Bytes received by read(): 8722
|
|
Bytes sent to write(): 13392
|
|
Read() system calls: 34
|
|
Write() system calls: 11
|
|
Bytes read from storage: 0
|
|
Bytes written to storage: 0
|
|
Cancelled write bytes: 0
|
|
```
|
|
|
|
## Flag
|
|
|
|
```
|
|
|
|
```
|
|
|