InnoDB Monitor 在 err 文件中的输出

爱被打了一巴掌 2022-08-12 00:18 37阅读 0赞

每 15 秒 输出到 err 文件中  
=====================================  
020326 15:32:48 INNODB MONITOR OUTPUT  
=====================================  
\----------  
SEMAPHORES  
\----------  
OS WAIT ARRAY INFO: reservation count 11, signal count 11  
Mutex spin waits 9, rounds 70, OS waits 2  
RW-shared spins 18, OS waits 9; RW-excl spins 0, OS waits 0  
\------------  
TRANSACTIONS  
\------------  
Trx id counter 0 1294  
Purge done for trx's n:o < 0 1289 undo n:o < 0 0  
Total number of lock structs in row lock hash table 0  
\--------  
FILE I/O  
\--------  
I/O thread 0 state: waiting for i/o request  
I/O thread 1 state: waiting for i/o request  
I/O thread 2 state: waiting for i/o request  
I/O thread 3 state: waiting for i/o request  
Pending normal aio reads: 0, aio writes: 0,  
ibuf aio reads: 0, log i/o's: 0, sync i/o's: 0  
Pending flushes (fsync) log: 0; buffer pool: 0  
23 OS file reads, 55 OS file writes, 31 OS fsyncs  
  
  
0.00 reads/s, 0.00 writes/s, 0.00 fsyncs/s  
\-------------  
INSERT BUFFER  
\-------------  
Ibuf for space 0: size 1, free list len 0, seg size 2,  
0 inserts, 0 merged recs, 0 merges  
\---  
LOG  
\---  
Log sequence number 0 50762  
Log flushed up to 0 50762  
Last checkpoint at 0 50762  
0 pending log writes, 0 pending chkp writes  
20 log i/o's done, 0.00 log i/o's/second  
\----------------------  
BUFFER POOL AND MEMORY  
\----------------------  
Total memory allocated 33077756; in additional pool allocated 201472  
Free list length 1000  
LRU list length 23  
Flush list length 0  
Buffer pool size 1024  
Pending reads 0  
Pending writes: LRU 0, flush list 0, single page 0  
Pages read 18, created 5, written 62  
0.00 reads/s, 0.00 creates/s, 0.00 writes/s  
Buffer pool hit rate 1000 / 1000  
\--------------  
ROW OPERATIONS  
\--------------  
0 queries inside InnoDB, 0 queries in queue; main thread: waiting for server activity  
Number of rows inserted 1, updated 0, deleted 1, read 4  
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s  
\----------------------------  
END OF INNODB MONITOR OUTPUT  
============================