[root@mail ~]# cat \/etc\/my.cnf
\n[mysql]
\nprompt = “(\\u@\\h)[\\d]> ”
\nno_auto_rehash
\ndefault_character_set = utf8 #\u6307\u5b9a\u5ba2\u6237\u7aef\u8fde\u63a5\u5b57\u7b26\u96c6\uff0c\u7b49\u540cset names utf8. <character_set_client, character_set_connection, character_set_results>\u3002<\/p>\n
[mysqld]
\nsocket = \/tmp\/mysql.sock #mysql sock\u6587\u4ef6\u5b58\u653e\u76ee\u5f55\uff08\u8be5\u76ee\u5f55\u53ef\u4ee5\u6539\u52a8\uff0c\u4f46\u5fc5\u9700\u53ef\u4ee5\u8ba9mysql\u6709\u5199\u6743\u9650\uff09
\nuser = mysql #\u542f\u52a8mysql\u6570\u636e\u5e93\u7684\u7528\u6237
\nport = 3306 #mysql\u5b88\u62a4\u8fdb\u7a0b\u542f\u52a8\u65f6\u76d1\u542c\u7684\u7aef\u53e3
\nskip_external_locking #\u907f\u514dmysql\u5916\u90e8\u9501\u5b9a\uff0c\u51cf\u5c11\u51fa\u9519\u673a\u7387\u589e\u5f3a\u7a33\u5b9a\u6027(mysql5.5\u914d\u7f6e)
\nskip_name_resolve #\u542f\u52a8\u65f6\u548c\u8fd0\u884c\u65f6\u8df3\u8fc7\u57df\u540d\u67e5\u8be2(mysql5.5\u4e0d\u80fd\u7528)
\nquery_cache_type = 1 #0\u6216OFF(\u7981\u6b62\u4f7f\u7528\u7f13\u5b58)\uff1b1\u6216ON(\u5145\u8bb8\u4f7f\u7528\u7f13\u5b58\uff0cSELECT SQL_NO_CACHE\u67e5\u8be2\u8bed\u53e5\u9664\u5916)\uff1b2\u6216DEMAND(\u4ec5\u5bf9SELECT SQL_CACH\u67e5\u8be2\u8bed\u53e5\u542f\u52a8\u7f13\u5b58)
\nquery_cache_limit = 8M #\u6700\u5927\u7f13\u5b58\u7ed3\u679c\u5927\u5c0f
\nquery_cache_min_res_unit = 4k
\nquery_cache_size = 512M #\u67e5\u8be2\u7f13\u5b58\u5927\u5c0f
\nread_buffer_size = 2M #select\u65f6\u6240\u80fd\u4f7f\u7528\u7684\u7f13\u51b2\u533a\u5927\u5c0f\uff0c\u6bcf\u8fde\u63a5\u72ec\u4eab\u3002
\nread_rnd_buffer_size = 16M #order by | group by\u6240\u4f7f\u7528\u7684\u6392\u5e8f\u7f13\u5b58\u5927\u5c0f\uff0c\u6bcf\u8fde\u63a5\u72ec\u4eab\u3002
\nopen_files_limit = 102400 #MySQL\u6587\u4ef6\u63cf\u8ff0\u7b26\u9650\u5236
\nsort_buffer_size = 4M #order by | group by\uff0c\u6bcf\u8fde\u63a5\u72ec\u4eab\u3002
\njoin_buffer_size = 2M #\u5916\u94fe\u7f13\u51b2\u5927\u5c0f\uff0c\u6bcf\u8fde\u63a5\u72ec\u4eab\u3002
\nkey_buffer = 1G
\nkey_buffer_size = 1G
\ntable_cache = 2048 #\u4e3a\u6240\u6709\u7ebf\u7a0b\u6253\u5f00\u8868\u7684\u6570\u91cf\uff0c\u540c\u65f6\u987b\u4fee\u6539\u6587\u4ef6\u63cf\u8ff0\u7b26\u9ed8\u8ba4\u5927\u5c0f\u3002\u589e\u52a0\u4e9b\u503c\u53ef\u6709\u6548\u907f\u514d\u9891\u7e41\u6253\u5f00\u8868\u4ea7\u751f\u7684\u5f00\u9500\u3002
\nmax_connections = 2048 #\u6700\u5927\u5141\u8bb8\u591a\u5c11\u4e2atcp\u8fdb\u7a0b\u8fde\u63a5
\nback_log = 1000 #\u6307\u5b9a\u53ef\u80fd\u7684\u8fde\u63a5\u6570\uff0c\u5f53MySQL\u4e3b\u7ebf\u7a0b\u5728\u5f88\u77ed\u7684\u65f6\u95f4\u5185\u63a5\u6536\u5230\u975e\u5e38\u591a\u7684\u8bf7\u6c42\u65f6\uff0c\u8be5\u53c2\u6570\u751f\u6548\u3002\u8fbe\u5230\u8be5\u53c2\u6570\u9600\u503c\u4f1a\u77ed\u6682\u505c\u6b62\u54cd\u5e94\u65b0\u7684\u8bf7\u6c42(\u63a8\u7f6e\u503c connection x 2)\u3002
\nmax_connect_errors = 102400 #mysql\u5b9e\u4f8b\u5728\u5927\u91cf\u53d1\u65f6\uff0c\u800cmysql\u672c\u8eab\u5904\u7406\u4e0d\u8fc7\u6765\uff0c\u5c31\u4f1a\u4ea7\u751f\u6700\u5927\u8fde\u63a5\u9519\u8bef\uff0c\u5f53\u8fbe\u5230\u8bbe\u5b9a\u503c\u540e\u4f1a\u6b7b\u9501\u5b9e\u4f8b\uff0c\u65b0\u7684\u8fde\u63a5\u5c06\u65e0\u6cd5\u8fdb\u6765\uff0c\u800c\u8001\u7684\u8fde\u63a5\u6b63\u5e38\u3002mysql\u6709\u76f8\u5e94\u7684\u81ea\u52a8timeout\u673a\u5236\u6765\u63a7\u5236\u5c06\u6700\u5927\u8fde\u63a5\u9519\u8bef\u56de\u6eda\u62100\u3002
\nwait_timeout = 3600 #\u65ad\u5f00\u7a7a\u95f2\u65f6\u95f4\u8d85\u8fc7\u6b64\u503c\u7684\u8fde\u63a5
\ninteractive_timeout = 3600 #\u670d\u52a1\u5668\u5728\u5173\u95ed\u4e4b\u524d\u5728\u4e00\u4e2a\u4ea4\u4e92\u8fde\u63a5\u4e0a\u7b49\u5f85\u7684\u79d2\u6570\uff08\u4e00\u4e2a\u4ea4\u4e92\u7684\u5ba2\u6237\u7aef\u88ab\u5b9a\u4e49\u4e3a\u5bf9mysql_real_connect()\u4f7f\u7528CLIENT_INTERACTIVE\u9009\u9879\u7684\u5ba2\u6237\uff09\uff0c\u9ed8\u8ba4\u4e3a28800
\ntmp_table_size = 512M #\u4e34\u65f6\u8868\u5927\u5c0f
\nslow_query_log = True #\u8bb0\u5f55\u6162\u67e5\u8be2\uff0c\u5bf9SQL\u4f18\u5316\u5f88\u6709\u5e2e\u52a9
\nslow_launch_time = 1 #\u8bbe\u7f6e\u6267\u884c\u65f6\u95f4\u591a\u957f\u7684\u67e5\u8be2\u4e3a\u6162\u67e5\u8be2, \u9ed8\u8ba4\u5355\u4f4d\u4e3a\u79d2(s)
\nserver_id = 61 #\u670d\u52a1\u5668id \u4e3b\u4ece\u65f6\u5fc5\u9700\u8bbe\u7f6e
\nbinlog_ignore_db = mysql,test
\nlog_bin = \/data0\/db-binlog\/hupu.com\/default\/mysql-bin #\u6253\u5f00binlog\u65e5\u5fd7
\nlog_bin_index = \/data0\/db-binlog\/hupu.com\/default\/mysql-bin.index #binlog \u7d22\u5f15\u6587\u4ef6
\nbinlog_format = MIXED #binlog\u683c\u5f0f[STATEMENT(\u57fa\u4e8e\u8bed\u53e5)|ROW(\u57fa\u4e8e\u884c)|MIXED(\u6df7\u5408\u6a21\u5f0f)]
\nbinlog_cache_size = 4M #binlog \u7f13\u5b58\u5927\u5c0f\uff0c\u8c03\u8282\u8be5\u503c\u5927\u5c0f\u53ef\u907f\u514d\u4f7f\u7528\u6587\u4ef6
\nmax_binlog_cache_size = 8M #\u9ed8\u8ba44GB\uff0c\u9650\u5236\u7f13\u5b58\u591a\u8bed\u53e5\u4e8b\u52a1\u7684\u7f13\u51b2\u533a\u603b\u5927\u5c0f\uff0c\u5f53\u67d0\u4e2a\u4e8b\u52a1\u5927\u4e8e\u8be5\u503c\uff0c\u5c06\u4f1a\u5931\u8d25\u5e76\u56de\u6eda
\nmax_binlog_size = 512M #\u6307\u5b9abinlog\u6587\u4ef6\u6700\u5927\u5bb9\u91cf\uff0c\u8d85\u8fc7\u4e9b\u503c\u4f1a\u81ea\u52a8\u56de\u6edabinlog
\nexpire_logs_days = 60 #binlog\u4fdd\u5b58\u6700\u8fd17\u5929\u7684\u6587\u4ef6
\nbulk_insert_buffer_size = 64M #insert \u2026 select \u2026 ,insert \u2026(..),(..),(..) ,load data infile \u6709\u8f83\u5927\u7684\u52a0\u901f\u6548\u679c, \u9488\u5bf9\u6bcf\u7ebf\u7a0b
\nmyisam_sort_buffer_size = 512M #myisam\u5f15\u64ce\u6392\u5e8f\u7f13\u51b2\u5927\u5c0f\uff0c\u5373MyISAM\u8868\u53d1\u751f\u53d8\u5316\u65f6\u91cd\u65b0\u6392\u5e8f\u6240\u9700\u7684\u7f13\u51b2\u533a\u5927\u5c0f
\nmyisam_max_sort_file_size = 1G #myisam\u5f15\u64ce\u6700\u5927\u5141\u8bb8\u6392\u5e8f\u6587\u4ef6\u5927\u5c0f
\nmyisam_repair_threads = 1 #mysql\u4fee\u590d\u7ebf\u7a0b\u6570
\nmyisam_recover #\u542f\u52a8MySQL\u65f6\u81ea\u52a8\u4fee\u590d\u635f\u574f\u7d22\u5f15\u7684\u8868
\nmyisam_sort_buffer_size = 512M #\u8868\u6062\u590d\u65f6\u4f7f\u7528\u7684\u7f13\u51b2\u533a\u5927\u5c0f
\nmax_heap_table_size = 200M
\nmax_allowed_packet = 2G #\u5bfc\u5165\u65f6\u6307\u5b9a\u5355\u8868\u6700\u5927\u6587\u4ef6
\nthread_concurrency = 8 #\u6700\u5927\u7684\u5e76\u53d1\u8fde\u63a5\u7ebf\u7a0b\u6570\uff0c\u53d6CPU\u7684\u6838\u5fc3\u6570x2\uff0c\u8d85\u7ebf\u7a0bCPU\u518dx2
\nthread_cache_size = 1024 #\u6bcf\u4e2athread cache \u6c60\u53ef\u4ee5\u6700\u591a\u7f13\u5b58\u591a\u5c11\u4e2a\u7ebf\u7a0b
\nthread_stack = 192K #\u6bcf\u4e2a\u7ebf\u7a0b\u88ab\u521b\u5efa\u65f6\u5206\u914d\u7684\u5185\u5b58\u7a7a\u95f4\u5927\u5c0f<\/p>\n
innodb_support_xa = False #\u5f00\u542f\u6216\u5173\u95edInnodb\u5206\u5e03\u5f0f\u4e8b\u52a1. \u5982\u672a\u4f7f\u7528\u5206\u5e03\u5f0f\u4e8b\u52a1, \u5f3a\u5217\u5efa\u8bae\u5173\u95ed. \u51cf\u5c11\u78c1\u76d8\u5237\u65b0\u6b21\u6570.
\ninnodb_additional_mem_pool_size = 8M #\u5b58\u50a8\u6570\u636e\u76ee\u5f55\u4fe1\u606f\u548c\u5176\u5b83\u5185\u90e8\u6570\u636e\u7ed3\u6784\u7684\u5185\u5b58\u6c60\u5927\u5c0f, \u8868\u8d8a\u591a\u9700\u8981\u7684\u5185\u5b58\u4e5f\u8d8a\u591a.\u9ed8\u8ba4\u4e3a1MB
\ninnodb_buffer_pool_size = 2G #Innodb \u8868\u7f13\u5b58\u6c60\u5927\u5c0f
\ninnodb_file_io_threads = 4 #innodb io\u7ebf\u7a0b\u6570\uff0c\u9ed8\u8ba4\u4e3a4\u4e2a. \u5728unix\u7c7b\u7cfb\u7edf\u4e2d\u8bbe\u7f6e\u5927\u4e8e4\u7684\u503c\u662f\u6ca1\u6709\u610f\u4e49\u7684.windows\u5219\u4e0d\u540c.
\ninnodb_thread_concurrency = 0 #innodb \u5e76\u53d1\u7ebf\u7a0b\u6570.\u8bbe\u7f6e\u503c\u5927\u4e8e0\u65f6,innodb\u6bcf\u6b21\u63a5MySQL\u7ebf\u7a0b\u8c03\u7528\u65f6\u90fd\u5c06\u8fdb\u4e00\u6b21\u5e76\u53d1\u6027\u68c0\u6d4b,\u770b\u662f\u5426\u5927\u4e8e\u4e9b\u503c.\u5982\u679cshow innodb status \u4e2d\u53d1\u73b0\u5927\u91cf”waiting in InnoDB queue ” \u5219\u53ef\u5c06\u503c\u8bbe\u62100.\u8ba9\u7cfb\u7edf\u81ea\u5df2\u63a7\u5236
\ninnodb_flush_log_at_trx_commit = 2 #innodb\u65e5\u5fd7\u5199\u5165\u78c1\u76d8\u8bbe\u7f6e,0 : \u6bcf\u79d2\u4e00\u6b21 ,1:\u6bcf\u4e2a\u4e8b\u52a1\u5b8c\u6210\u65f6\u63d0\u4ea4, 2:\u6bcf\u6b21\u63d0\u4ea4\u4f46\u4e0d\u5bf9\u65e5\u5fd7\u5199\u56de\u78c1\u76d8\u64cd\u4f5c,\u5237\u5230\u78c1\u76d8\u4e0a\u8fd8\u662f\u6bcf\u79d2\u4e00\u6b21.\u4e0d\u53d7\u4e8b\u52a1\u7ed3\u675f\u5f15\u54cd. \u5f53\u8bbe\u7f6e\u4e3a0\u65f6\u4efb\u4f55\u5bfc\u81f3mysqld\u8fdb\u7a0b\u7684\u5d29\u6e83\u90fd\u4f1a\u5220\u9664\u524d\u4e00\u79d2\u7684\u4e8b\u52a1\u65e5\u5fd7,\u5f53\u8bbe\u4e3a2\u65f6,\u53ea\u6709\u64cd\u4f5c\u7cfb\u7edf\u5d29\u6e83\u6216\u6389\u7535\u624d\u4f1a\u5220\u9664\u6700\u540e\u4e00\u79d2\u7684\u4e8b\u52a1.(\u5f53\u7136\u78c1\u76d8\u56de\u5199\u4e5f\u4f1a\u5bfc\u81f3\u4e8b\u52a1\u7684\u4e22\u5931,\u800c\u8fd9\u662f\u78c1\u76d8\u7684\u9ed8\u8ba4\u9009\u9879). \u8be5\u9009\u9879\u9ed8\u8ba4\u503c\u4e3a 1.
\ninnodb_log_buffer_size = 8M #innodb log\u7f13\u5b58\u5927\u5c0f,\u9ed8\u8ba4\u4e3a1MB. \u9891\u7e41\u5199\u5165\u65f6\u624d\u4fee\u6539\u6b64\u503c\u52308MB\u6216\u4ee5\u4e0a,\u56e0\u6bcf\u79d2(\u8ddf\u636einnodb_flush_log_at_trx_commit\u503c\u51b3\u5b9a\u5237\u65b0\u7f13\u5b58\u5230\u78c1\u76d8\u7684\u65f6\u95f4\u95f4\u9699)\u4f1a\u88ab\u5237\u4e00\u6b21\u5230\u78c1\u76d8. \u4e0d\u5efa\u8bae\u52a0\u5f88\u5927
\ninnodb_log_files_in_group = 3
\ninnodb_max_dirty_pages_pct = 80
\ninnodb_lock_wait_timeout = 60 #Innodb\u5f15\u64ce\u8868\u6b7b\u9501\u65f6\u7b49\u5f85\u7684\u65f6\u95f4, \u8d85\u51fa\u6b64\u65f6\u95f4\u4e8b\u52a1\u8fd8\u672a\u6267\u884c\u6210\u529f, \u6b64\u4e8b\u52a1\u5c06\u56de\u6eda. \u8ddf\u636e\u9700\u8981\u8bbe\u7f6e\u4e9b\u53c2\u6570
\ninnodb_file_per_table = 1 #\u4e3a\u6bcf\u4e2ainnodb \u8868\u5355\u72ec\u521b\u5efa\u6587\u4ef6\u5b58\u653e. \u9ed8\u8ba4\u6240\u6709innodb\u8868\u5168\u90e8\u5b58\u653e\u5728ibdata1
\ninnodb_open_files = 1024 #Innodb \u4e00\u6b21\u6700\u591a\u53ef\u4ee5\u6253\u5f00\u591a\u5c11\u8868,\u9ed8\u8ba4\u4e3a300,\u6700\u5c11\u503c\u4e3a10. \u4e9b\u9009\u9879\u8ddfinnodb_file_per_table\u662f\u591a\u8868\u8fd8\u662f\u5355\u8868\u5b58\u653einnodb\u6587\u4ef6\u76f8\u5173
\ninnodb_read_io_threads = 8 #Innodb \u8bfb\u53d6\u78c1\u76d8io\u7ebf\u7a0b\u6570\uff0c\u9ed8\u8ba4\u4e3a4. \u5982\u679c\u78c1\u76d8\u6027\u80fdOK, \u53ef\u4ee5\u52a0\u5927\u4e9b\u503c\u6765\u63d0\u9ad8\u6027\u80fd\u3002
\ninnodb_write_io_threads = 4 #Innodb \u5199\u5165\u78c1\u76d8io\u7ebf\u7a0b\u6570\uff0c\u9ed8\u8ba4\u4e3a4. \u5982\u679c\u78c1\u76d8\u6027\u80fdOK, \u53ef\u4ee5\u52a0\u5927\u4e9b\u503c\u6765\u63d0\u9ad8\u6027\u80fd\u3002
\ninnodb_io_capacity = 200 #Innodb \u5237\u65b0\u810f\u9875\u5230\u78c1\u76d8\uff0c\u6307\u6bcf\u79d2\u5237\u65b0200\u4e2a\u810f\u9875\uff0c\u6b64\u503c\u4e3a\u9ed8\u8ba4\u3002\u5199\u5bc6\u96c6\u578bDB\u9700\u52a0\u5927\u6b64\u503c\u3002
\ninnodb_max_dirty_pages_pct = 80 #\u52a0\u5febinnodb\u810f\u9875\u5237\u65b0\u9891\u7387\u51cf\u5c11\u6062\u5f97\u5229 \u65f6\u95f4\uff0c\u4e5f\u53ef\u4fdd\u8bc1\u78c1\u76d8\u7684IP\u8d1f\u8f7d\u3002\u503c\u4e3a\u767e\u5206\u6bd4\uff0c\u9ed8\u8ba490%
\ninnodb_adaptive_flushing = True #\u81ea\u9002\u5e94\u5237\u65b0\u810f\u9875,
\nbig_tables = True #MySQL \u5927\u8868\u652f\u6301<\/p>\n
[mysqldump]
\nquick
\nmax_allowed_packet = 2G #\u5bfc\u51fa\u65f6\u6307\u5b9a\u5355\u8868\u6700\u5927\u6587\u4ef6<\/p>\n","protected":false},"excerpt":{"rendered":"
[root@mail ~]# cat \/etc\/my.cnf [mysql] prompt = “(\\u@\\h)[\\d]> ” no_auto_rehash default_character_set = utf8 #\u6307\u5b9a\u5ba2\u6237\u7aef\u8fde\u63a5\u5b57\u7b26\u96c6\uff0c\u7b49\u540cset names utf8. <character_set_client, character_set_connection, character_set_results>\u3002 [mysqld] socket = \/tmp\/mysql.sock #mysql sock\u6587\u4ef6\u5b58\u653e\u76ee\u5f55\uff08\u8be5\u76ee\u5f55\u53ef\u4ee5\u6539\u52a8\uff0c\u4f46\u5fc5\u9700\u53ef\u4ee5\u8ba9mysql\u6709\u5199\u6743\u9650\uff09 user = mysql #\u542f\u52a8mysql\u6570\u636e\u5e93\u7684\u7528\u6237 port = 3306 #mysql\u5b88\u62a4\u8fdb\u7a0b\u542f\u52a8\u65f6\u76d1\u542c\u7684\u7aef\u53e3 skip_external_locking #\u907f\u514dmysql\u5916\u90e8\u9501\u5b9a\uff0c\u51cf\u5c11\u51fa\u9519\u673a\u7387\u589e\u5f3a\u7a33\u5b9a\u6027(mysql5.5\u914d\u7f6e) skip_name_resolve #\u542f\u52a8\u65f6\u548c\u8fd0\u884c\u65f6\u8df3\u8fc7\u57df\u540d\u67e5\u8be2(mysql5.5\u4e0d\u80fd\u7528) query_cache_type = 1 #0\u6216OFF(\u7981\u6b62\u4f7f\u7528\u7f13\u5b58)\uff1b1\u6216ON(\u5145\u8bb8\u4f7f\u7528\u7f13\u5b58\uff0cSELECT SQL_NO_CACHE\u67e5\u8be2\u8bed\u53e5\u9664\u5916)\uff1b2\u6216DEMAND(\u4ec5\u5bf9SELECT SQL_CACH\u67e5\u8be2\u8bed\u53e5\u542f\u52a8\u7f13\u5b58) query_cache_limit = 8M #\u6700\u5927\u7f13\u5b58\u7ed3\u679c\u5927\u5c0f query_cache_min_res_unit = 4k query_cache_size = 512M #\u67e5\u8be2\u7f13\u5b58\u5927\u5c0f read_buffer_size […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-6602","post","type-post","status-publish","format-standard","hentry","category-life"],"_links":{"self":[{"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/posts\/6602","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/jpuyy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6602"}],"version-history":[{"count":1,"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/posts\/6602\/revisions"}],"predecessor-version":[{"id":6603,"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/posts\/6602\/revisions\/6603"}],"wp:attachment":[{"href":"https:\/\/jpuyy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6602"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jpuyy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6602"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jpuyy.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6602"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}