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SHOW ENGINE INNODB STATUS\G; *************************** 1. row *************************** Type: InnoDB Name: Status: ===================================== 110810 9:55:34 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 4 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 1 1_second, 1 sleeps, 0 10_second, 1 background, 1 flush srv_master_thread log flush and writes: 1 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 2, signal count 2 Mutex spin waits 0, rounds 0, OS waits 0 RW-shared spins 2, rounds 60, OS waits 2 RW-excl spins 0, rounds 0, OS waits 0 Spin rounds per wait: 0.00 mutex, 30.00 RW-shared, 0.00 RW-excl -------- FILE I/O -------- 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: 0 162 OS file reads, 3 OS file writes, 3 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 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 276671, node heap has 0 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 10719818 Log flushed up to 10719818 Last checkpoint at 10719818 Max checkpoint age 6307800 Checkpoint age target 6110682 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 ---------------------- BUFFER POOL AND MEMORY ---------------------- Total memory allocated 137887744; in additional pool allocated 0 Internal hash tables (constant factor + variable factor) Adaptive hash index 2217584 (2213368 + 4216) Page hash 139112 (buffer pool 0 only) Dictionary cache 592524 (554768 + 37756) File system 83552 (82672 + 880) Lock system 333248 (332872 + 376) Recovery system 0 (0 + 0) Dictionary memory allocated 37756 Buffer pool size 8191 Buffer pool size, bytes 134201344 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 151, created 0, written 0 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 LRU len: 151, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 1 read views open inside InnoDB ---OLDEST VIEW--- Normal read view Read view low limit trx n:o 3900 Read view up limit trx id 3900 Read view low limit trx id 3900 Read view individually stored trx ids: ----------------- Main thread process no. 3334, id 1207859520, 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 ------------ TRANSACTIONS ------------ Trx id counter 3900 Purge done for trx's n:o < 0 undo n:o < 0 History list length 2 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 0, not started MySQL thread id 4, query id 8 localhost root SHOW ENGINE INNODB STATUS ---------------------------- END OF INNODB MONITOR OUTPUT ============================
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