{"id":320749,"date":"2021-02-05T10:12:52","date_gmt":"2021-02-05T02:12:52","guid":{"rendered":"http:\/\/4563.org\/?p=320749"},"modified":"2021-02-05T10:12:52","modified_gmt":"2021-02-05T02:12:52","slug":"%e8%87%aa%e5%bb%ba-mysql-%e7%9a%84%e6%80%a7%e8%83%bd%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=320749","title":{"rendered":"\u81ea\u5efa mysql \u7684\u6027\u80fd\u95ee\u9898"},"content":{"rendered":"
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\u81ea\u5efa mysql \u7684\u6027\u80fd\u95ee\u9898 <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : awanganddong <\/span> <\/i> 10<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

mysql \u7248\u672c 5.7.31 \u662f\u76f4\u63a5\u7528\u5b9d\u5854\u5b89\u88c5\u7684<\/p>\n

centos7 \u7cfb\u7edf 4 \u6838 8G \u5185\u5b58\u3002<\/p>\n

\u73b0\u5728\u76f4\u63a5\u6267\u884c\u6dfb\u52a0\u552f\u4e00\u7d22\u5f15\u7684\u8bed\u53e5\u5df2\u7ecf\u8d85\u8fc7\u51e0\u5341\u5206\u949f \u6570\u636e\u5e93\u6570\u636e 1 \u4e07\u6761\u5de6\u53f3 alter table wx_clues add unique uniq(openid<\/code>,wx_account_id<\/code>); <\/p>\n

\u73b0\u5728\u60f3\u95ee\u4e0b sql \u4e3a\u5565\u6267\u884c\u6162\uff0c\u6709\u4ec0\u4e48\u4f18\u5316\u7684\u65b9\u6cd5\u3002<\/p>\n<\/p><\/div>\n

\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (24<\/span>) <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : pickcat <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u8fd9\u4e0d\u662f mysql \u7684\u6027\u80fd\u95ee\u9898\uff0c\u800c\u662f\u76ee\u6d4b\u4f60\u4e0a\u4e86\u201c\u4e91\u201d\u7684\u5f53\u4e86\u3002\u3002\u3002\u3002\u3002\u3002\u3002\u3002\u3002\u3002\u3002\u3002\u3002\u3002\u3002\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : GM <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6570\u636e\u5e93\u6570\u636e 1 \u4e07\u6761\uff0c\u52a0\u7d22\u5f15\u51e0\u5341\u5206\u949f\uff1f\uff1f\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : v2webdev <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u8fd9\u4f30\u8ba1\u4e0d\u662f MySQL \u7684\u95ee\u9898\uff0c\u662f\u73af\u5883\u7684\u95ee\u9898\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : rust <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4f60\u8fd9\u662f\u4e91\u670d\u52a1\u5668\u5417?
    \u6bcd\u9e21\u6015\u4e0d\u662f\u8d85\u552e\u5230\u6708\u7403\u53bb\u4e86 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : fkname <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u624b\u52a8\u91cd\u88c5\u4e00\u4e0b MySQL \u8bd5\u8bd5\uff0c\u8fd9\u4e2a\u6027\u80fd\u5dee\u7684\u6709\u70b9\u8fc7\u5206\u4e86 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : bbao <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    mysql \u7248\u672c 5.7.31 \u662f\u76f4\u63a5\u7528\u5b9d\u5854\u5b89\u88c5\u7684<\/p>\n

    centos7 \u7cfb\u7edf 4 \u6838 8G \u5185\u5b58\u3002<\/p>\n

    \u73b0\u5728\u76f4\u63a5\u6267\u884c\u6dfb\u52a0\u552f\u4e00\u7d22\u5f15\u7684\u8bed\u53e5\u5df2\u7ecf\u8d85\u8fc7\u51e0\u5341\u5206\u949f \u6570\u636e\u5e93\u6570\u636e 1 \u4e07\u6761\u5de6\u53f3 alter table wx_clues add unique uniq(openid,wx_account_id);<\/p>\n

    \u73b0\u5728\u60f3\u95ee\u4e0b sql \u4e3a\u5565\u6267\u884c\u6162\uff0c\u6709\u4ec0\u4e48\u4f18\u5316\u7684\u65b9\u6cd5\u3002<\/p>\n

    1\uff0c\u4e0d\u61c2\u5982\u4f55\u8fd0\u7ef4&\u4f18\u5316\u914d\u7f6e&\u6269\u5bb9\u7b49\u4e00\u7cfb\u5217\u95ee\u9898
    \u4e70\u4e91\u670d\u52a1
    2\uff0c2000 \u6570\u636e\uff0calter table \u6dfb\u52a0\u7d22\u5f15\uff0c4 \u7ed9\u5c0f\u65f6\u5de6\u53f3<\/p>\n

    3\uff0c\u6267\u884c\u6162\uff0c\u4f18\u5316\u65b9\u6cd5\uff0cgoogle\uff0c\u641c\u5230\u7684\u6bd4\u4f60\u95ee\u7684\u5168\u9762 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : bbao <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @bbao 2000 \u4e07\u6570\u636e <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : awanganddong <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u521a\u521a\u6dfb\u52a0\u552f\u4e00\u7d22\u5f15\u7684 sql \u6b7b\u4e86\uff0c\u7136\u540e\u628a mysqld \u641e\u6302\u4e86
    \u6211\u5148\u5206\u6790\u4e0b <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : awanganddong <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    [client]
    #password = your_password
    port = 3306
    socket = \/tmp\/mysql.sock<\/p>\n

    [mysqld]
    port = 3306
    socket = \/tmp\/mysql.sock
    datadir = \/www\/server\/data
    default_storage_engine = InnoDB
    performance_schema_max_table_instances = 400
    table_definition_cache = 400
    skip-external-locking
    key_buffer_size = 128M
    max_allowed_packet = 100G
    table_open_cache = 512
    sort_buffer_size = 2M
    net_buffer_length = 4K
    read_buffer_size = 2M
    read_rnd_buffer_size = 256K
    myisam_sort_buffer_size = 32M
    thread_cache_size = 64
    query_cache_size = 64M
    tmp_table_size = 64M
    sql-mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES<\/p>\n

    explicit_defaults_for_timestamp = true
    #skip-name-resolve
    max_connections = 500
    max_connect_errors = 100
    open_files_limit = 65535<\/p>\n

    log-bin=mysql-bin
    binlog_format=mixed
    server-id = 1
    expire_logs_days = 10
    slow_query_log=1
    slow-query-log-file=\/www\/server\/data\/mysql-slow.log
    long_query_time=3
    #log_queries_not_using_indexes=on
    early-plugin-load = “”<\/p>\n

    innodb_data_home_dir = \/www\/server\/data
    innodb_data_file_path = ibdata1:10M:autoextend
    innodb_log_group_home_dir = \/www\/server\/data
    innodb_buffer_pool_size = 512M
    innodb_log_file_size = 256M
    innodb_log_buffer_size = 64M
    innodb_flush_log_at_trx_commit = 1
    innodb_lock_wait_timeout = 50
    innodb_max_dirty_pages_pct = 90
    innodb_read_io_threads = 4
    innodb_write_io_threads = 4<\/p>\n

    [mysqldump]
    quick
    max_allowed_packet = 500M<\/p>\n

    [mysql]
    no-auto-rehash<\/p>\n

    [myisamchk]
    key_buffer_size = 128M
    sort_buffer_size = 2M
    read_buffer = 2M
    write_buffer = 2M<\/p>\n

    [mysqlhotcopy]
    interactive-timeout <\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : jump2cn <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u81ea\u5df1\u904d\u5386 1w \u6570\u636e\u90fd\u4e0d\u7528\u51e0\u5341\u5206\u949f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : markgor <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    1W \u6761\u6570\u636e\uff0c\u52a0\u7d22\u5f15\uff0c\u51e0\u5341\u5206\u949f….\u968f\u4fbf\u4e00\u53f0\u666e\u901a PC \u673a\u90fd\u8d85\u8fc7\u4f60
    [![sRjlnA.png]( https:\/\/s3.ax1x.com\/2021\/01\/20\/sRjlnA.png)]( https:\/\/imgchr.com\/i\/sRjlnA)
    \u5e0c\u6377 7200 hdd\uff0c4G \u5185\u5b58\uff0cE6700 CPU \u3002393216 \u7b14\u8bb0\u5f55\u52a0\u552f\u4e00\u7d22\u5f15\u53ea\u8981\u4e0d\u5230 0.632 \u79d2\uff0c\u5f53\u7136\u6d4b\u8bd5\u7528\u7684\u8868\uff0c\u6570\u636e\u6bd4\u8f83\u7b80\u5355\u680f\u4f4d\u6bd4\u8f83\u5c11\u3002\u4f9b\u4f60\u53c2\u8003 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : dnsaq <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u8fd9\u548c\u81ea\u5efa\u6709\u5173\u7cfb\uff1f\u5728\u666e\u901a\u4eba\u773c\u91cc”\u4e91”\u662f\u4e0d\u662f\u5c31\u662f\u795e\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : IDAEngine <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6d4b\u4e00\u4e0b\u4e91\u670d\u52a1\u5668\u6027\u80fd\u5427\uff0c\u4f30\u8ba1\u6bcd\u9e21\u8d85\u552e\u4e86\uff0c\u4e91\u670d\u52a1\u5668\u57fa\u672c\u90fd\u4f1a\u8d85\u552e\uff0c\u6ca1\u6cd5\u4fdd\u8bc1\u6574\u4f53\u7684\u6027\u80fd\u3002<\/p>\n

    \u5bf9\u4e8e\u4e91\u670d\u52a1\u5668\u6765\u8bf4\u914d\u7f6e\u53ea\u662f\u4e2a\u6570\u5b57\u800c\u5df2 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : rekulas <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u73b0\u5728\u7684 vps \u518d\u5783\u573e\u90fd\u4e0d\u81f3\u4e8e\u8fd9\u4e48\u6162 \u770b\u770b\u6267\u884c\u4e2d\u7684\u8fdb\u7a0b\u4ec0\u4e48\u72b6\u6001 \u662f\u4e0d\u662f\u963b\u585e\u4e86 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : junan0708 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u88ab\u9501\u4e86\u5427\uff0c\u770b\u770b\u8fdb\u7a0b kill \u6389\uff0c\u91cd\u65b0\u52a0 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : nodesolar <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5e94\u8be5\u662f\u5728\u7b49 MDL \u9501 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : chnyuwen <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5148\u8dd1\u4e0b\u6027\u80fd\u6d4b\u8bd5\u811a\u672c\uff0c\u53ef\u5426\u544a\u77e5\u662f\u54ea\u4e2a\u4e91\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : awanganddong <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u963f\u91cc\u4e91\u7684\u673a\u5668\uff0c\u5e94\u8be5\u662f\u9501\u7684\u95ee\u9898\uff0c\u91cd\u542f\u4e86\u4e0b mysql\uff0c\u73b0\u5728\u6ca1\u95ee\u9898\u7684\uff0c\u4f46\u662f\u8fd8\u8981\u914d\u7f6e\u4e0b\u6162\u65e5\u5fd7\u7684\u53c2\u6570\uff0c\u73b0\u5728\u68c0\u6d4b\u65e5\u5fd7\u6ca1\u8bb0\u5f55\u4e0b\u6765\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : v2orz <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5982\u679c\u662f\u5b66\u4e60\u7684\u8bdd\uff0c\u5efa\u8bae\u662f\u7cfb\u7edf\u7684\u5b66\u4e60\u4e00\u4e0b mysql \u76f8\u5173\u7684\u77e5\u8bc6<\/p>\n

    \u5982\u679c\u662f\u4ec5\u4f7f\u7528\uff0c\u4e2a\u4eba\u89c9\u5f97\u8fd9\u79cd\u60c5\u51b5\u76f4\u63a5\u4e70\u4e91\u670d\u52a1\u662f\u6700\u5408\u9002\u7684\u573a\u666f <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : CallMeReznov <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4e91\u670d\u52a1\u5668\u8d85\u552e\u6700\u53ef\u6015\u7684\u4e0d\u662f CPU,\u5185\u5b58,\u5e26\u5bbd,\u800c\u662f\u4e0d\u77e5\u9053\u4f60\u90bb\u5c45\u5728\u8dd1\u4ec0\u4e48\u4e1c\u897f\u4e89\u62a2\u4f60\u5f53\u524d\u5b9e\u4f53\u673a\u7684\u786c\u76d8 IO.
    \u5efa\u8bae\u770b\u78c1\u76d8 IO wait,\u4f30\u8ba1\u5ef6\u8fdf\u5f97\u4e0a\u5929. <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : encro <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    1\uff0c\u770b\u670d\u52a1\u5668\u6027\u80fd\uff0c\u8d1f\u8f7d\u600e\u4e48\u6837\uff1b\u74f6\u9888\u5728 cpu \u8fd8\u662f\u78c1\u76d8\u8fd8\u662f\u5185\u5b58\uff0c1 \u4e07\u8bb0\u5f55\u975e\u5e38\u5c11\uff0c\u4efb\u4f55 ssd \u5e94\u8be5\u90fd\u662f\u51e0\u79d2\u949f\u5373\u53ef\uff1b
    2\uff0c\u53ef\u80fd\u662f\u9501\u4f4f\u4e86\uff0c\u7b49\u5f85\u5176\u4ed6\u8fdb\u7a0b\u91ca\u653e\uff0c\u53c2\u8003\uff1aMysql \u4e0d\u9501\u8868\u589e\u52a0\u5b57\u6bb5\u548c\u7d22\u5f15\u65b9\u6cd5 https:\/\/c4ys.com\/archives\/1943 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : PetterZhu <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u52a0\u9501\u7684\u53ef\u80fd\u6027\u6bd4\u8f83\u5927\uff0c1w \u6761\u6570\u636e\uff0c\u518d\u600e\u4e48\u70c2\u7684\u673a\u5668\u4e5f\u8981\u4e0d\u4e86 10 \u51e0\u5206\u949f\uff0c <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : awanganddong <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u53ea\u6709\u51e0\u6761\u6570\u636e\u7684\u8868\uff0calter \u8bed\u53e5\u5c31\u63d0\u793a Waiting for table metadata lock<\/p>\n

    \u73b0\u5728\u6b63\u5728\u8ffd\u8fd9\u4e2a\u95ee\u9898 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : awanganddong <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    SELECT * from information_schema.INNODB_TRX<\/p>\n

    Kill id(\u4e0a\u9762\u67e5\u8be2\u51fa\u6765\u7684 trx_mysql_thread_id)<\/p>\n

    \u8fd9\u4e24\u6761\u53ef\u4ee5\u67e5\u627e\u5230\u6b7b\u9501\u7684\u7ebf\u7a0b ID <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n","protected":false},"excerpt":{"rendered":"

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