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  1. | InnoDB | |
  2. =====================================
  3. 140820 12:35:23 INNODB MONITOR OUTPUT
  4. =====================================
  5. Per second averages calculated from the last 4 seconds
  6. -----------------
  7. BACKGROUND THREAD
  8. -----------------
  9. srv_master_thread loops: 468931 1_second, 467895 sleeps, 46829 10_second, 1450 background, 1448 flush
  10. srv_master_thread log flush and writes: 473511
  11. ----------
  12. SEMAPHORES
  13. ----------
  14. OS WAIT ARRAY INFO: reservation count 4648946, signal count 10648144
  15. Mutex spin waits 611035759, rounds 585439775, OS waits 714711
  16. RW-shared spins 4741919, rounds 75776816, OS waits 2562167
  17. RW-excl spins 1415878, rounds 35271478, OS waits 986802
  18. Spin rounds per wait: 0.96 mutex, 15.98 RW-shared, 24.91 RW-excl
  19.  
  20. --------
  21. FILE I/O
  22. --------
  23. I/O thread 0 state: waiting for completed aio requests (insert buffer thread)
  24. I/O thread 1 state: waiting for completed aio requests (log thread)
  25. I/O thread 2 state: waiting for completed aio requests (read thread)
  26. I/O thread 3 state: waiting for completed aio requests (read thread)
  27. I/O thread 4 state: waiting for completed aio requests (read thread)
  28. I/O thread 5 state: waiting for completed aio requests (read thread)
  29. I/O thread 6 state: waiting for completed aio requests (write thread)
  30. I/O thread 7 state: waiting for completed aio requests (write thread)
  31. I/O thread 8 state: waiting for completed aio requests (write thread)
  32. I/O thread 9 state: waiting for completed aio requests (write thread)
  33. Pending normal aio reads: 0 [0, 0, 0, 0] , aio writes: 0 [0, 0, 0, 0] ,
  34. ibuf aio reads: 0, log i/o's: 0, sync i/o's: 0
  35. Pending flushes (fsync) log: 0; buffer pool: 0
  36. 41135151 OS file reads, 40474318 OS file writes, 31116979 OS fsyncs
  37. 93.23 reads/s, 16384 avg bytes/read, 76.23 writes/s, 57.49 fsyncs/s
  38. -------------------------------------
  39. INSERT BUFFER AND ADAPTIVE HASH INDEX
  40. -------------------------------------
  41. Ibuf: size 1, free list len 27, seg size 29, 185765 merges
  42. merged operations:
  43. insert 22609, delete mark 256188, delete 18040
  44. discarded operations:
  45. insert 0, delete mark 0, delete 0
  46. Hash table size 50696537, node heap has 114016 buffer(s)
  47. 10871.03 hash searches/s, 9863.03 non-hash searches/s
  48. ---
  49. LOG
  50. ---
  51. Log sequence number 1641865965383
  52. Log flushed up to 1641865965383
  53. Last checkpoint at 1641677671112
  54. 0 pending log writes, 0 pending chkp writes
  55. 29834824 log i/o's done, 53.74 log i/o's/second
  56. ----------------------
  57. BUFFER POOL AND MEMORY
  58. ----------------------
  59. Total memory allocated 26217103360; in additional pool allocated 0
  60. Dictionary memory allocated 1212141
  61. Buffer pool size 1563519
  62. Free buffers 0
  63. Database pages 1449503
  64. Old database pages 535050
  65. Modified db pages 45707
  66. Pending reads 0
  67. Pending writes: LRU 0, flush list 0, single page 0
  68. Pages made young 147515748, not young 0
  69. 360.91 youngs/s, 0.00 non-youngs/s
  70. Pages read 41131772, created 253682, written 10230701
  71. 93.23 reads/s, 0.00 creates/s, 21.49 writes/s
  72. Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000
  73. Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s
  74. LRU len: 1449503, unzip_LRU len: 0
  75. I/O sum[8353]:cur[161], unzip sum[0]:cur[0]
  76. --------------
  77. ROW OPERATIONS
  78. --------------
  79. 4 queries inside InnoDB, 0 queries in queue
  80. 5 read views open inside InnoDB
  81. Main thread process no. 20526, id 1111365952, state: sleeping
  82. Number of rows inserted 5079840, updated 8383577, deleted 3216848, read 306935598057
  83. 6.50 inserts/s, 19.50 updates/s, 2.75 deletes/s, 2057669.33 reads/s
  84. ----------------------------
  85. END OF INNODB MONITOR OUTPUT
  86. ============================
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