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hellohacker
V2EX  ›  程序员

网站间歇性变慢,贴出来 Mysql show engine innodb status 命令结果,大家帮忙分析下

  •  
  •   hellohacker · 2014-05-07 18:18:22 +08:00 · 3342 次点击
    这是一个创建于 3882 天前的主题,其中的信息可能已经有所发展或是发生改变。
    140507 16:18:44 INNODB MONITOR OUTPUT
    =====================================
    Per second averages calculated from the last 7 seconds
    -----------------
    BACKGROUND THREAD
    -----------------
    srv_master_thread loops: 91 1_second, 91 sleeps, 5 10_second, 42 background, 42 flush
    srv_master_thread log flush and writes: 92
    ----------
    SEMAPHORES
    ----------
    OS WAIT ARRAY INFO: reservation count 17, signal count 17
    Mutex spin waits 14, rounds 240, OS waits 6
    RW-shared spins 5, rounds 150, OS waits 5
    RW-excl spins 7, rounds 181, OS waits 6
    Spin rounds per wait: 17.14 mutex, 30.00 RW-shared, 25.86 RW-excl
    ------------
    TRANSACTIONS
    ------------
    Trx id counter 2193D
    Purge done for trx's n:o < 2193B undo n:o < 0
    History list length 127
    LIST OF TRANSACTIONS FOR EACH SESSION:
    ---TRANSACTION 0, not started
    MySQL thread id 4265199, OS thread handle 0x1bc, query id 78970246 127.0.0.1 root
    show engine innodb status
    --------
    FILE I/O
    --------
    I/O thread 0 state: wait Windows aio (insert buffer thread)
    I/O thread 1 state: wait Windows aio (log thread)
    I/O thread 2 state: wait Windows aio (read thread)
    I/O thread 3 state: wait Windows aio (read thread)
    I/O thread 4 state: wait Windows aio (read thread)
    I/O thread 5 state: wait Windows aio (read thread)
    I/O thread 6 state: wait Windows aio (write thread)
    I/O thread 7 state: wait Windows aio (write thread)
    I/O thread 8 state: wait Windows aio (write thread)
    I/O thread 9 state: wait Windows aio (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
    364 OS file reads, 55 OS file writes, 23 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 1168451, node heap has 1 buffer(s)
    0.00 hash searches/s, 0.00 non-hash searches/s
    ---
    LOG
    ---
    Log sequence number 1963408
    Log flushed up to 1963408
    Last checkpoint at 1963408
    0 pending log writes, 0 pending chkp writes
    18 log i/o's done, 0.00 log i/o's/second
    ----------------------
    BUFFER POOL AND MEMORY
    ----------------------
    Total memory allocated 604192768; in additional pool allocated 0
    Dictionary memory allocated 62427
    Buffer pool size 36032
    Free buffers 35678
    Database pages 353
    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 353, created 0, written 37
    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, Random read ahead 0.00/s
    LRU len: 353, 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
    Main thread id 4600, state: waiting for server activity
    Number of rows inserted 0, updated 0, deleted 0, read 151
    0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s
    ----------------------------
    END OF INNODB MONITOR OUTPUT


    另外再贴下 慢查询日志:

    # Time: 140507 16:05:39
    # User@Host: root[root] @ [127.0.0.1]
    # Query_time: 7.172012 Lock_time: 0.000000 Rows_sent: 11 Rows_examined: 11
    SET timestamp=1399449939;
    DESC fanwe_youhui_log;
    # Time: 140507 16:06:04
    # User@Host: root[root] @ [127.0.0.1]
    # Query_time: 9.172051 Lock_time: 0.000000 Rows_sent: 11 Rows_examined: 11
    SET timestamp=1399449964;
    DESC fanwe_youhui_log;
    # Time: 140507 16:07:13
    # User@Host: root[root] @ [127.0.0.1]
    # Query_time: 28.125540 Lock_time: 0.000000 Rows_sent: 11 Rows_examined: 11
    SET timestamp=1399450033;
    DESC fanwe_youhui_log;
    # Time: 140507 16:07:35
    # User@Host: root[root] @ [127.0.0.1]
    # Query_time: 17.515961 Lock_time: 0.000000 Rows_sent: 11 Rows_examined: 11
    SET timestamp=1399450055;
    DESC fanwe_youhui_log;
    # Time: 140507 16:08:37
    # User@Host: root[root] @ [127.0.0.1]
    # Query_time: 9.890815 Lock_time: 0.000000 Rows_sent: 11 Rows_examined: 11
    SET timestamp=1399450117;
    DESC fanwe_youhui_log;
    # Time: 140507 16:09:14
    # User@Host: root[root] @ [127.0.0.1]
    # Query_time: 9.937691 Lock_time: 0.000000 Rows_sent: 11 Rows_examined: 11
    SET timestamp=1399450154;
    DESC fanwe_youhui_log;
    # Time: 140507 16:09:37
    # User@Host: root[root] @ [127.0.0.1]
    # Query_time: 11.593972 Lock_time: 0.000000 Rows_sent: 11 Rows_examined: 11
    SET timestamp=1399450177;
    DESC fanwe_youhui_log;
    # Time: 140507 16:11:04
    # User@Host: root[root] @ [127.0.0.1]
    # Query_time: 10.734581 Lock_time: 0.000000 Rows_sent: 11 Rows_examined: 11
    SET timestamp=1399450264;
    DESC fanwe_youhui_log;
    # Time: 140507 16:11:17
    # User@Host: root[root] @ [127.0.0.1]
    # Query_time: 10.047068 Lock_time: 0.000000 Rows_sent: 11 Rows_examined: 11
    SET timestamp=1399450277;
    DESC fanwe_youhui_log;
    # Time: 140507 16:11:47
    # User@Host: root[root] @ [127.0.0.1]
    # Query_time: 23.922334 Lock_time: 0.000000 Rows_sent: 11 Rows_examined: 11
    SET timestamp=1399450307;
    DESC fanwe_youhui_log;
    # Time: 140507 16:11:51
    # User@Host: root[root] @ [127.0.0.1]
    # Query_time: 2.531299 Lock_time: 0.000000 Rows_sent: 11 Rows_examined: 11
    SET timestamp=1399450311;
    DESC fanwe_youhui_log;
    # Time: 140507 16:12:30
    # User@Host: root[root] @ [127.0.0.1]
    # Query_time: 3.250062 Lock_time: 0.000000 Rows_sent: 11 Rows_examined: 11
    SET timestamp=1399450350;
    DESC fanwe_youhui_log;
    # Time: 140507 16:12:44
    # User@Host: root[root] @ [127.0.0.1]
    # Query_time: 10.703331 Lock_time: 0.000000 Rows_sent: 11 Rows_examined: 11
    SET timestamp=1399450364;
    DESC fanwe_youhui_log;
    # Time: 140507 16:13:02
    # User@Host: root[root] @ [127.0.0.1]
    # Query_time: 14.687782 Lock_time: 0.000000 Rows_sent: 11 Rows_examined: 11
    SET timestamp=1399450382;
    DESC fanwe_youhui_log;
    # Time: 140507 16:14:12
    # User@Host: root[root] @ [127.0.0.1]
    # Query_time: 26.313006 Lock_time: 0.000000 Rows_sent: 11 Rows_examined: 11
    SET timestamp=1399450452;
    DESC fanwe_youhui_log;
    # Time: 140507 16:14:29
    # User@Host: root[root] @ [127.0.0.1]
    # Query_time: 2.531299 Lock_time: 0.000000 Rows_sent: 11 Rows_examined: 11
    SET timestamp=1399450469;
    DESC fanwe_youhui_log;
    # Time: 140507 16:14:48
    # User@Host: root[root] @ [127.0.0.1]
    # Query_time: 14.906536 Lock_time: 0.000000 Rows_sent: 11 Rows_examined: 11
    SET timestamp=1399450488;
    DESC fanwe_youhui_log;
    # Time: 140507 16:15:05
    # User@Host: root[root] @ [127.0.0.1]
    # Query_time: 13.406507 Lock_time: 0.000000 Rows_sent: 11 Rows_examined: 11
    SET timestamp=1399450505;
    DESC fanwe_youhui_log;
    # Time: 140507 16:15:14
    # User@Host: root[root] @ [127.0.0.1]
    # Query_time: 5.937614 Lock_time: 0.000000 Rows_sent: 11 Rows_examined: 11
    SET timestamp=1399450514;
    DESC fanwe_youhui_log;
    # Time: 140507 16:15:19
    # User@Host: root[root] @ [127.0.0.1]
    # Query_time: 4.765716 Lock_time: 0.000000 Rows_sent: 11 Rows_examined: 11
    SET timestamp=1399450519;
    DESC fanwe_youhui_log;
    # Time: 140507 16:15:25
    # User@Host: root[root] @ [127.0.0.1]
    # Query_time: 5.187600 Lock_time: 0.000000 Rows_sent: 11 Rows_examined: 11
    SET timestamp=1399450525;
    DESC fanwe_youhui_log;
    # Time: 140507 16:15:49
    # User@Host: root[root] @ [127.0.0.1]
    # Query_time: 17.031577 Lock_time: 0.000000 Rows_sent: 11 Rows_examined: 11
    SET timestamp=1399450549;
    DESC fanwe_youhui_log;
    # Time: 140507 16:15:54
    # User@Host: root[root] @ [127.0.0.1]
    # Query_time: 3.109435 Lock_time: 0.000000 Rows_sent: 11 Rows_examined: 11
    SET timestamp=1399450554;
    DESC fanwe_youhui_log;
    # Time: 140507 16:17:14
    # User@Host: root[root] @ [127.0.0.1]
    # Query_time: 2.312545 Lock_time: 0.000000 Rows_sent: 1 Rows_examined: 28795
    SET timestamp=1399450634;
    select group_concat(id) from fanwe_deal_order_item where order_id = 28206;
    # Time: 140507 16:17:20
    # User@Host: root[root] @ [127.0.0.1]
    # Query_time: 4.468836 Lock_time: 0.000000 Rows_sent: 11 Rows_examined: 11
    SET timestamp=1399450640;
    DESC fanwe_youhui_log;
    # Time: 140507 16:18:10
    # User@Host: root[root] @ [127.0.0.1]
    # Query_time: 10.937710 Lock_time: 0.000000 Rows_sent: 11 Rows_examined: 11
    SET timestamp=1399450690;
    DESC fanwe_youhui_log;
    # Time: 140507 16:18:35
    # User@Host: root[root] @ [127.0.0.1]
    # Query_time: 7.515769 Lock_time: 0.000000 Rows_sent: 11 Rows_examined: 11
    SET timestamp=1399450715;
    DESC fanwe_youhui_log;

    谢谢大家了!
    目前尚无回复
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