sql

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160421 23:29:18 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 12 seconds
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BACKGROUND THREAD
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srv_master_thread loops: 12 1_second, 12 sleeps, 1 10_second, 2 background, 2 flush
srv_master_thread log flush and writes: 12
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SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 1, signal count 1
Mutex spin waits 3, rounds 60, OS waits 1
RW-shared spins 3, rounds 90, OS waits 0
RW-excl spins 0, rounds 0, OS waits 0
Spin rounds per wait: 20.00 mutex, 30.00 RW-shared, 0.00 RW-excl
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LATEST FOREIGN KEY ERROR
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160421 23:28:29 Error in foreign key constraint of table sylfaen/#sql-11e86_13:
 FOREIGN KEY (`rang`) REFERENCES `rangs` (`id`):
Cannot resolve table name close to:
 (`id`)
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TRANSACTIONS
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Trx id counter 507
Purge done for trx's n:o < 0 undo n:o < 0
History list length 0
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 0, not started
MySQL thread id 21, OS thread handle 0x7000007ae000, query id 209 localhost root
SHOW ENGINE INNODB STATUS
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FILE I/O
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I/O thread 0 state: waiting for i/o request (insert buffer thread)
I/O thread 1 state: waiting for i/o request (log thread)
I/O thread 2 state: waiting for i/o request (read thread)
I/O thread 3 state: waiting for i/o request (read thread)
I/O thread 4 state: waiting for i/o request (read thread)
I/O thread 5 state: waiting for i/o request (read thread)
I/O thread 6 state: waiting for i/o request (write thread)
I/O thread 7 state: waiting for i/o request (write thread)
I/O thread 8 state: waiting for i/o request (write thread)
I/O thread 9 state: waiting for i/o request (write thread)
Pending normal aio reads: 0 [0, 0, 0, 0] , aio writes: 0 [0, 0, 0, 0] ,
 ibuf aio reads: 0, log i/o's: 0, sync i/o's: 0
Pending flushes (fsync) log: 0; buffer pool: 0
155 OS file reads, 18 OS file writes, 10 OS fsyncs
0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s
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INSERT BUFFER AND ADAPTIVE HASH INDEX
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Ibuf: size 1, free list len 0, seg size 2, 0 merges
merged operations:
 insert 0, delete mark 0, delete 0
discarded operations:
 insert 0, delete mark 0, delete 0
Hash table size 276707, node heap has 1 buffer(s)
0.00 hash searches/s, 0.00 non-hash searches/s
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LOG
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Log sequence number 1612636
Log flushed up to   1612636
Last checkpoint at  1612636
0 pending log writes, 0 pending chkp writes
13 log i/o's done, 0.00 log i/o's/second
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BUFFER POOL AND MEMORY
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Total memory allocated 137363456; in additional pool allocated 0
Dictionary memory allocated 39808
Buffer pool size   8192
Free buffers       8040
Database pages     151
Old database pages 0
Modified db pages  0
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 0, not young 0
0.00 youngs/s, 0.00 non-youngs/s
Pages read 144, created 7, written 21
0.00 reads/s, 0.00 creates/s, 0.00 writes/s
No buffer pool page gets since the last printout
Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s
LRU len: 151, unzip_LRU len: 0
I/O sum[0]:cur[0], unzip sum[0]:cur[0]
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ROW OPERATIONS
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0 queries inside InnoDB, 0 queries in queue
1 read views open inside InnoDB
Main thread id 123145309814784, state: waiting for server activity
Number of rows inserted 0, updated 0, deleted 0, read 0
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s
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END OF INNODB MONITOR OUTPUT
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