miguel@hegel:~/mysql-5.4.0-beta-linux-x86_64-glibc23$ bin/mysql -uroot Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 2 Server version: 5.4.0-beta MySQL Community Server (GPL) Type 'help;' or '\h' for help. Type '\c' to clear the buffer. mysql> SHOW ENGINE INNODB STATUS\G *************************** 1. row *************************** Type: InnoDB Name: Status: ===================================== 090505 12:50:35 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 18 seconds ---------- BACKGROUND THREAD ---------- srv_master_thread loops: 1 1_second, 1 sleeps, 0 10_second, 2 background, 2 flush srv_master_thread log flush: 1 sync, 3 async srv_wait_thread_mics 0 microseconds, 0.0 seconds spinlock delay for 6 delay 20 rounds is 38 mics ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 7, signal count 7 Mutex spin waits 0, rounds 0, OS waits 0 RW-shared spins 7, OS waits 7; RW-excl spins 0, OS waits 0 Spin rounds per wait: 0.00 mutex, 20.00 RW-shared, 0.00 RW-excl -------- FILE I/O -------- I/O thread 0 state: waiting for i/o request (insert buffer thread) reads 0 writes 0 requests 0 io secs 0.000000 io msecs/request 0.000000 max_io_wait 0.000000 I/O thread 1 state: waiting for i/o request (log thread) reads 0 writes 7 requests 7 io secs 0.000296 io msecs/request 0.042286 max_io_wait 0.046000 I/O thread 2 state: waiting for i/o request (read thread) reads 0 writes 0 requests 0 io secs 0.000000 io msecs/request 0.000000 max_io_wait 0.000000 I/O thread 3 state: waiting for i/o request (read thread) reads 0 writes 0 requests 0 io secs 0.000000 io msecs/request 0.000000 max_io_wait 0.000000 I/O thread 4 state: waiting for i/o request (read thread) reads 0 writes 0 requests 0 io secs 0.000000 io msecs/request 0.000000 max_io_wait 0.000000 I/O thread 5 state: waiting for i/o request (read thread) reads 0 writes 0 requests 0 io secs 0.000000 io msecs/request 0.000000 max_io_wait 0.000000 I/O thread 6 state: waiting for i/o request (read thread) reads 0 writes 0 requests 0 io secs 0.000000 io msecs/request 0.000000 max_io_wait 0.000000 I/O thread 7 state: waiting for i/o request (read thread) reads 0 writes 0 requests 0 io secs 0.000000 io msecs/request 0.000000 max_io_wait 0.000000 I/O thread 8 state: waiting for i/o request (read thread) reads 0 writes 0 requests 0 io secs 0.000000 io msecs/request 0.000000 max_io_wait 0.000000 I/O thread 9 state: waiting for i/o request (read thread) reads 0 writes 0 requests 0 io secs 0.000000 io msecs/request 0.000000 max_io_wait 0.000000 I/O thread 10 state: waiting for i/o request (write thread) reads 0 writes 189 requests 6 io secs 0.003407 io msecs/request 0.567833 max_io_wait 1.158000 I/O thread 11 state: waiting for i/o request (write thread) reads 0 writes 0 requests 0 io secs 0.000000 io msecs/request 0.000000 max_io_wait 0.000000 I/O thread 12 state: waiting for i/o request (write thread) reads 0 writes 0 requests 0 io secs 0.000000 io msecs/request 0.000000 max_io_wait 0.000000 I/O thread 13 state: waiting for i/o request (write thread) reads 0 writes 0 requests 0 io secs 0.000000 io msecs/request 0.000000 max_io_wait 0.000000 I/O thread 14 state: waiting for i/o request (write thread) reads 0 writes 0 requests 0 io secs 0.000000 io msecs/request 0.000000 max_io_wait 0.000000 I/O thread 15 state: waiting for i/o request (write thread) reads 0 writes 0 requests 0 io secs 0.000000 io msecs/request 0.000000 max_io_wait 0.000000 I/O thread 16 state: waiting for i/o request (write thread) reads 0 writes 0 requests 0 io secs 0.000000 io msecs/request 0.000000 max_io_wait 0.000000 I/O thread 17 state: waiting for i/o request (write thread) reads 0 writes 0 requests 0 io secs 0.000000 io msecs/request 0.000000 max_io_wait 0.000000 Pending normal aio reads: 0, aio writes: 0, ibuf aio reads: 0, log i/o's: 0, sync i/o's: 0 Summary of background IO slot status: 0 issued, 0 done, 0 claimed, sleep set 0 Pending flushes (fsync) log: 0; buffer pool: 0 0 OS file reads, 412 OS file writes, 17 OS fsyncs 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 inserts, 0 merged recs, 0 merges Hash table size 2212699, node heap has 1 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 0 46409 Log flushed up to 0 46409 Last checkpoint at 0 46409 0 pending log writes, 0 pending chkp writes 11 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total memory allocated 1220465458; in additional pool allocated 0 Dictionary memory allocated 29720 Buffer pool size 65536 Free buffers 65357 Database pages 178 Modified db pages 0 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages read 0, created 178, written 189 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 1 read views open inside InnoDB Main thread process no. 4572, id 139846009641296, 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 ---------------------------- END OF INNODB MONITOR OUTPUT ============================ 1 row in set (0.00 sec)