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https://github.com/percona/percona-toolkit.git
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94 lines
3.3 KiB
Plaintext
94 lines
3.3 KiB
Plaintext
=====================================
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070915 15:34:37 INNODB MONITOR OUTPUT
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=====================================
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Per second averages calculated from the last 24 seconds
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----------
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SEMAPHORES
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----------
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OS WAIT ARRAY INFO: reservation count 7, signal count 7
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Mutex spin waits 0, rounds 60, OS waits 0
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RW-shared spins 14, OS waits 7; RW-excl spins 1, OS waits 0
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------------------------
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LATEST FOREIGN KEY ERROR
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------------------------
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070915 15:10:24 Transaction:
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TRANSACTION 0 3358, ACTIVE 0 sec, process no 5202, OS thread id 1141152064 inserting, thread declared inside InnoDB 500
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mysql tables in use 1, locked 1
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3 lock struct(s), heap size 368, undo log entries 1
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MySQL thread id 6, query id 162 localhost root update
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insert into t2(a) values(1)
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Foreign key constraint fails for table `test/t2`:
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,
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CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`a`) REFERENCES `t1` (`a`)
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Trying to add in child table, in index `a` tuple:
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DATA TUPLE: 2 fields;
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0: len 4; hex 80000001; asc ;; 1: len 6; hex 000000000200; asc ;;
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But in parent table `test/t1`, in index `PRIMARY`,
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the closest match we can find is record:
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PHYSICAL RECORD: n_fields 1; compact format; info bits 0
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0: len 8; hex 696e66696d756d00; asc infimum ;;
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------------
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TRANSACTIONS
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------------
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Trx id counter 0 3359
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Purge done for trx's n:o < 0 3357 undo n:o < 0 0
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History list length 8
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Total number of lock structs in row lock hash table 0
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LIST OF TRANSACTIONS FOR EACH SESSION:
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---TRANSACTION 0 0, not started, process no 5202, OS thread id 1141152064
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MySQL thread id 8, query id 169 localhost root
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show innodb status
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--------
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FILE I/O
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--------
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I/O thread 0 state: waiting for i/o request (insert buffer thread)
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I/O thread 1 state: waiting for i/o request (log thread)
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I/O thread 2 state: waiting for i/o request (read thread)
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I/O thread 3 state: waiting for i/o request (write thread)
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Pending normal aio reads: 0, aio writes: 0,
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ibuf aio reads: 0, log i/o's: 0, sync i/o's: 0
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Pending flushes (fsync) log: 0; buffer pool: 0
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42 OS file reads, 63 OS file writes, 55 OS fsyncs
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0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s
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-------------------------------------
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INSERT BUFFER AND ADAPTIVE HASH INDEX
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-------------------------------------
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Ibuf: size 1, free list len 0, seg size 2,
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0 inserts, 0 merged recs, 0 merges
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Hash table size 17393, used cells 0, node heap has 1 buffer(s)
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0.00 hash searches/s, 0.00 non-hash searches/s
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---
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LOG
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---
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Log sequence number 0 68906
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Log flushed up to 0 68906
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Last checkpoint at 0 68906
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0 pending log writes, 0 pending chkp writes
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31 log i/o's done, 0.00 log i/o's/second
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----------------------
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BUFFER POOL AND MEMORY
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----------------------
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Total memory allocated 20556394; in additional pool allocated 713728
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Buffer pool size 512
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Free buffers 480
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Database pages 31
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Modified db pages 0
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Pending reads 0
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Pending writes: LRU 0, flush list 0, single page 0
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Pages read 33, created 15, written 54
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0.00 reads/s, 0.00 creates/s, 0.00 writes/s
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No buffer pool page gets since the last printout
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--------------
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ROW OPERATIONS
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--------------
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0 queries inside InnoDB, 0 queries in queue
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1 read views open inside InnoDB
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Main thread process no. 5202, id 1140881728, state: waiting for server activity
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Number of rows inserted 0, updated 0, deleted 0, read 0
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0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s
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----------------------------
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END OF INNODB MONITOR OUTPUT
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============================
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