| InnoDB | |
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2017-01-20 18:17:30 7ff0a7ec8700 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 27 seconds
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BACKGROUND THREAD
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srv_master_thread loops: 3 srv_active, 0 srv_shutdown, 450 srv_idle
srv_master_thread log flush and writes: 453
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SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 1281
OS WAIT ARRAY INFO: signal count 1333
Mutex spin waits 19051, rounds 2470, OS waits 20
RW-shared spins 1497, rounds 37103, OS waits 1209
RW-excl spins 1108, rounds 3066, OS waits 45
Spin rounds per wait: 0.13 mutex, 24.78 RW-shared, 2.77 RW-excl
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TRANSACTIONS
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Trx id counter 86502654
Purge done for trx's n:o < 86501657 undo n:o < 0 state: running but idle
History list length 1141
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 0, not started
MySQL thread id 30, OS thread handle 0x7ff0a7ec8700, query id 502 localhost root init
SHOW ENGINE INNODB STATUS
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FILE I/O
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I/O thread 0 state: waiting for completed aio requests (insert buffer thread)
I/O thread 1 state: waiting for completed aio requests (log thread)
I/O thread 2 state: waiting for completed aio requests (read thread)
I/O thread 3 state: waiting for completed aio requests (read thread)
I/O thread 4 state: waiting for completed aio requests (read thread)
I/O thread 5 state: waiting for completed aio requests (read thread)
I/O thread 6 state: waiting for completed aio requests (write thread)
I/O thread 7 state: waiting for completed aio requests (write thread)
I/O thread 8 state: waiting for completed aio requests (write thread)
I/O thread 9 state: waiting for completed aio requests (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
13531 OS file reads, 5 OS file writes, 5 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 7526, seg size 7528, 0 merges
merged operations:
insert 0, delete mark 0, delete 0
discarded operations:
insert 0, delete mark 0, delete 0
0.00 hash searches/s, 0.00 non-hash searches/s
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LOG
---
Log sequence number 1051752548910
Log flushed up to 1051752548910
Pages flushed up to 1051752548910
Last checkpoint at 1051752548910
Max checkpoint age 106117817
Checkpoint age target 102801636
Modified age 0
Checkpoint age 0
0 pending log writes, 0 pending chkp writes
8 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 558891008; in additional pool allocated 0
Total memory allocated by read views 88
Internal hash tables (constant factor + variable factor)
Adaptive hash index 10215120 (8851048 + 1364072)
Page hash 553976 (buffer pool 0 only)
Dictionary cache 2685512 (2214224 + 471288)
File system 2913952 (812272 + 2101680)
Lock system 1329536 (1329176 + 360)
Recovery system 0 (0 + 0)
Dictionary memory allocated 471288
Buffer pool size 32767
Buffer pool size, bytes 536854528
Free buffers 19196
Database pages 13488
Old database pages 4998
Modified db pages 0
Percent of dirty pages(LRU & free pages): 0.000
Max dirty pages percent: 75.000
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 13488, created 0, written 1
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: 13488, 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
0 read views open inside InnoDB
0 RW transactions active inside InnoDB
0 RO transactions active inside InnoDB
0 out of 1000 descriptors used
Main thread process no. 14168, id 140670605977344, state: sleeping
Number of rows inserted 0, updated 0, deleted 0, read 1355759
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s
Number of system 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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