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电影冲大上海夜枭冲贬顿中字冲极速云播完整版免费在线观看...

初恋晓梅给我回复:“成年人不缺想念,缺的是见面。爱是需要见面的,再多的甜言蜜语,都不如见一面。”

2025年01月14日,可现在的孩子,只想躺平。

电影冲大上海夜枭冲贬顿中字冲极速云播完整版免费在线观看...

当时法拉利挑战了V8的技术极限这副引擎在8000 rpm能输出720 cv要知道它只有3.9L的排量也就是升功率高达185 cv/L最大扭矩在3250 rpm时达到了770 Nm与上一代488 GTB相比增加了10 Nm

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一(Yi)文(Wen)看(Kan)懂(Dong)mysql数(Shu)据(Ju)库(Ku)目(Mu)录(Lu)结(Jie)构(Gou)、核(He)心(Xin)库(Ku)以(Yi)及(Ji)数(Shu)据(Ju)库(Ku)启(Qi)动(Dong)过(Guo)程(Cheng)原(Yuan)创(Chuang)2019-09-14 00:01·波(Bo)波(Bo)说(Shuo)运(Yun)维(Wei)概(Gai)述(Shu)今(Jin)天(Tian)主(Zhu)要(Yao)从(Cong)源(Yuan)码(Ma)层(Ceng)面(Mian)梳(Shu)理(Li)mysql数(Shu)据(Ju)库(Ku)目(Mu)录(Lu)结(Jie)构(Gou)、核(He)心(Xin)库(Ku)以(Yi)及(Ji)启(Qi)动(Dong)过(Guo)程(Cheng)中(Zhong)调(Diao)用(Yong)函(Han)数(Shu)的(De)顺(Shun)序(Xu)和(He)作(Zuo)用(Yong)。1、MySQL目(Mu)录(Lu)结(Jie)构(Gou)?build: 内(Nei)含(Han)有(You)各(Ge)个(Ge)平(Ping)台(Tai)、各(Ge)种(Zhong)编(Bian)译(Yi)器(Qi)下(Xia)进(Jin)行(Xing)编(Bian)译(Yi)的(De)脚(Jiao)本(Ben)。如(Ru)compile-pentium-debug表(Biao)示(Shi)在(Zai)pentium架(Jia)构(Gou)上(Shang)进(Jin)行(Xing)调(Diao)试(Shi)编(Bian)译(Yi)的(De)脚(Jiao)本(Ben)。?client: 客(Ke)户(Hu)端(Duan)工(Gong)具(Ju),如(Ru)mysql,mysqladmin之(Zhi)类(Lei)。?cmd-line-utils: readline,libedit工(Gong)具(Ju)。?config: 给(Gei)aclocal使(Shi)用(Yong)的(De)配(Pei)置(Zhi)文(Wen)件(Jian)。?dbug: 提(Ti)供(Gong)一(Yi)些(Xie)调(Diao)试(Shi)用(Yong)的(De)宏(Hong)定(Ding)义(Yi)。?Docs: MySQL在(Zai)不(Bu)同(Tong)平(Ping)台(Tai)下(Xia)的(De)参(Can)考(Kao)手(Shou)册(Ce)?extra: 提(Ti)供(Gong)innochecksum,resolveip等(Deng)额(E)外(Wai)的(De)小(Xiao)工(Gong)具(Ju)。?include: 包(Bao)含(Han)的(De)头(Tou)文(Wen)件(Jian)?libmysql: 库(Ku)文(Wen)件(Jian),生(Sheng)产(Chan)libmysqlclient.so。?libmysql_r: 线(Xian)程(Cheng)安(An)全(Quan)的(De)库(Ku)文(Wen)件(Jian),生(Sheng)成(Cheng)libmysqlclient_r.so。?libmysqld: 嵌(Qian)入(Ru)式(Shi)MySQL Server库(Ku).?libservices: 5.5.0中(Zhong)新(Xin)加(Jia)的(De)目(Mu)录(Lu),实(Shi)现(Xian)了(Liao)打(Da)印(Yin)功(Gong)能(Neng)。?man: 适(Shi)合(He)man命(Ming)令(Ling)查(Cha)看(Kan)的(De)帮(Bang)助(Zhu)文(Wen)件(Jian)。?mysql-test: mysqld的(De)测(Ce)试(Shi)工(Gong)具(Ju)套(Tao)件(Jian)。?mysys: 为(Wei)实(Shi)现(Xian)跨(Kua)平(Ping)台(Tai),MySQL自(Zi)己(Ji)实(Shi)现(Xian)了(Liao)一(Yi)套(Tao)常(Chang)用(Yong)的(De)数(Shu)据(Ju)结(Jie)构(Gou)和(He)算(Suan)法(Fa),如(Ru)string, hash等(Deng)。还(Huan)包(Bao)含(Han)一(Yi)些(Xie)底(Di)层(Ceng)函(Han)数(Shu)的(De)跨(Kua)平(Ping)台(Tai)封(Feng)装(Zhuang),一(Yi)般(Ban)以(Yi)my_开(Kai)头(Tou)。?netware: 在(Zai)netware平(Ping)台(Tai)上(Shang)进(Jin)行(Xing)编(Bian)译(Yi)时(Shi)需(Xu)要(Yao)的(De)工(Gong)具(Ju)和(He)库(Ku)。?plugin: MySQL 5.1开(Kai)始(Shi)支(Zhi)持(Chi)一(Yi)个(Ge)插(Cha)件(Jian)式(Shi)API接(Jie)口(Kou),不(Bu)需(Xu)要(Yao)重(Zhong)启(Qi)mysqld即(Ji)可(Ke)动(Dong)态(Tai)载(Zai)入(Ru)插(Cha)件(Jian),FullText就(Jiu)是(Shi)一(Yi)个(Ge)例(Li)子(Zi)。?pstack: GNU异(Yi)步(Bu)栈(Zhan)追(Zhui)踪(Zong)工(Gong)具(Ju)。?regex: 正(Zheng)则(Ze)表(Biao)达(Da)式(Shi)实(Shi)现(Xian)(来(Lai)自(Zi)多(Duo)伦(Lun)多(Duo)大(Da)学(Xue)Henry Spencer大(Da)牛(Niu)的(De)源(Yuan)码(Ma))。?scripts: 提(Ti)供(Gong)脚(Jiao)本(Ben)工(Gong)具(Ju),如(Ru)mysql_install_db/mysqld_safe等(Deng)。?server-tools: 包(Bao)含(Han)instance_manager子(Zi)目(Mu)录(Lu),负(Fu)责(Ze)实(Shi)例(Li)的(De)本(Ben)地(Di)和(He)远(Yuan)程(Cheng)管(Guan)理(Li)。?sql: MySQL Server主(Zhu)要(Yao)代(Dai)码(Ma),将(Jiang)会(Hui)生(Sheng)成(Cheng)mysqld文(Wen)件(Jian)。?sql-bench: 一(Yi)些(Xie)基(Ji)准(Zhun)测(Ce)试(Shi)代(Dai)码(Ma)代(Dai)码(Ma),主(Zhu)要(Yao)是(Shi)Perl程(Cheng)序(Xu)(虽(Sui)然(Ran)后(Hou)缀(Zhui)是(Shi)sh)。?sql-common: 存(Cun)放(Fang)部(Bu)分(Fen)服(Fu)务(Wu)器(Qi)端(Duan)和(He)客(Ke)户(Hu)端(Duan)都(Du)会(Hui)用(Yong)到(Dao)的(De)代(Dai)码(Ma),有(You)些(Xie)地(Di)方(Fang)的(De)同(Tong)名(Ming)文(Wen)件(Jian)是(Shi)这(Zhe)里(Li)lin过(Guo)去(Qu)的(De)。?storage: 存(Cun)储(Chu)引(Yin)擎(Qing)所(Suo)在(Zai)目(Mu)录(Lu)。?strings: string库(Ku),包(Bao)含(Han)很(Hen)多(Duo)字(Zi)符(Fu)串(Chuan)处(Chu)理(Li)的(De)函(Han)数(Shu)。?support-files: my.cnf示(Shi)例(Li)配(Pei)置(Zhi)文(Wen)件(Jian)及(Ji)编(Bian)译(Yi)所(Suo)需(Xu)的(De)一(Yi)些(Xie)工(Gong)具(Ju)。?tests: 测(Ce)试(Shi)文(Wen)件(Jian)所(Suo)在(Zai)目(Mu)录(Lu)。?unittest: 单(Dan)元(Yuan)测(Ce)试(Shi)文(Wen)件(Jian)。?vio: 虚(Xu)拟(Ni)io系(Xi)统(Tong),是(Shi)对(Dui)network io的(De)封(Feng)装(Zhuang),把(Ba)不(Bu)同(Tong)的(De)协(Xie)议(Yi)封(Feng)装(Zhuang)成(Cheng)统(Tong)一(Yi)的(De)IO函(Han)数(Shu)。?win: 在(Zai)windows平(Ping)台(Tai)编(Bian)译(Yi)所(Suo)需(Xu)的(De)文(Wen)件(Jian)和(He)一(Yi)些(Xie)说(Shuo)明(Ming)。?zlib: zlib算(Suan)法(Fa)库(Ku)(GNU)2、InnoDB目(Mu)录(Lu)结(Jie)构(Gou)?btr: B+树(Shu)的(De)实(Shi)现(Xian)?buf: 缓(Huan)冲(Chong)池(Chi)的(De)实(Shi)现(Xian),包(Bao)括(Kuo)LRU算(Suan)法(Fa),Flush刷(Shua)新(Xin)算(Suan)法(Fa)等(Deng)?dict: InnoDB内(Nei)存(Cun)数(Shu)据(Ju)字(Zi)典(Dian)的(De)实(Shi)现(Xian)?dyn: InnoDB动(Dong)态(Tai)数(Shu)组(Zu)的(De)实(Shi)现(Xian)?fil: InnoDB文(Wen)件(Jian)数(Shu)据(Ju)结(Jie)构(Gou)以(Yi)及(Ji)对(Dui)于(Yu)文(Wen)件(Jian)的(De)一(Yi)些(Xie)操(Cao)作(Zuo)?fsp: 对(Dui)InnoDB物(Wu)理(Li)文(Wen)件(Jian)的(De)管(Guan)理(Li),如(Ru)页(Ye)/区(Qu)/段(Duan)等(Deng)(即(Ji)File Space)?ha: 哈(Ha)希(Xi)算(Suan)法(Fa)的(De)实(Shi)现(Xian)?handler: 继(Ji)承(Cheng)与(Yu)MySQL的(De)handler,实(Shi)现(Xian)handler API与(Yu)Server交(Jiao)互(Hu)?ibuf: 插(Cha)入(Ru)缓(Huan)冲(Chong)(Insert Buffer)的(De)实(Shi)现(Xian)?include: InnoDB所(Suo)有(You)头(Tou)文(Wen)件(Jian)都(Du)放(Fang)在(Zai)这(Zhe)个(Ge)目(Mu)录(Lu),是(Shi)查(Cha)找(Zhao)结(Jie)构(Gou)定(Ding)义(Yi)的(De)最(Zui)佳(Jia)地(Di)点(Dian)?lock: InnoDB的(De)锁(Suo)实(Shi)现(Xian)及(Ji)三(San)种(Zhong)锁(Suo)算(Suan)法(Fa)实(Shi)现(Xian)?log: 日(Ri)志(Zhi)缓(Huan)冲(Chong)(Log Buffer)和(He)重(Zhong)做(Zuo)日(Ri)志(Zhi)组(Zu)(Redo Log)的(De)实(Shi)现(Xian)?mem: 辅(Fu)助(Zhu)缓(Huan)冲(Chong)池(Chi)(Additional Memory Pool)的(De)实(Shi)现(Xian),用(Yong)来(Lai)申(Shen)请(Qing)一(Yi)些(Xie)内(Nei)部(Bu)数(Shu)据(Ju)结(Jie)构(Gou)的(De)内(Nei)存(Cun)?mtr: 事(Shi)务(Wu)的(De)底(Di)层(Ceng)实(Shi)现(Xian)(日(Ri)志(Zhi),缓(Huan)冲(Chong))?os: 封(Feng)装(Zhuang)一(Yi)些(Xie)对(Dui)于(Yu)操(Cao)作(Zuo)系(Xi)统(Tong)的(De)操(Cao)作(Zuo)?page: 页(Ye)的(De)实(Shi)现(Xian),研(Yan)究(Jiu)InnoDB文(Wen)件(Jian)结(Jie)构(Gou),这(Zhe)个(Ge)目(Mu)录(Lu)至(Zhi)关(Guan)重(Zhong)要(Yao)?pars: 重(Zhong)载(Zai)部(Bu)分(Fen)MySQL的(De)SQL Parser(有(You)待(Dai)商(Shang)榷(Que))?que: Query graph,基(Ji)本(Ben)上(Shang)没(Mei)啥(Sha)用(Yong)?read: 读(Du)取(Qu)游(You)标(Biao)的(De)实(Shi)现(Xian)?rem: 行(Xing)管(Guan)理(Li)操(Cao)作(Zuo)(比(Bi)较(Jiao)操(Cao)作(Zuo),打(Da)印(Yin)等(Deng))?row: 对(Dui)于(Yu)各(Ge)种(Zhong)类(Lei)型(Xing)行(Xing)数(Shu)据(Ju)操(Cao)作(Zuo)的(De)实(Shi)现(Xian)?srv: InnoDB后(Hou)台(Tai)线(Xian)程(Cheng),启(Qi)动(Dong)服(Fu)务(Wu),Master Thread,SQL队(Dui)列(Lie)等(Deng)?sync: InnoDB互(Hu)斥(Chi)变(Bian)量(Liang)(Mutex)的(De)实(Shi)现(Xian),基(Ji)本(Ben)同(Tong)步(Bu)机(Ji)制(Zhi)?thr: InnoDB封(Feng)装(Zhuang)的(De)可(Ke)移(Yi)植(Zhi)线(Xian)程(Cheng)库(Ku)?trx: 事(Shi)务(Wu)的(De)实(Shi)现(Xian)?usr: Session管(Guan)理(Li)?ut: 各(Ge)种(Zhong)通(Tong)用(Yong)小(Xiao)工(Gong)具(Ju)3、核(He)心(Xin)类(Lei)库(Ku)?THD: 线(Xian)程(Cheng)类(Lei)?Item: Item类(Lei)(查(Cha)询(Xun)条(Tiao)目(Mu),函(Han)数(Shu),WHERE,ORDER,GROUP,ON子(Zi)句(Ju)等(Deng))?TABLE: 表(Biao)描(Miao)述(Shu)符(Fu)?TABEL_LIST: JOIN操(Cao)作(Zuo)描(Miao)述(Shu)符(Fu)?Field: 列(Lie)数(Shu)据(Ju)类(Lei)型(Xing)及(Ji)属(Shu)性(Xing)定(Ding)义(Yi)?LEX: 语(Yu)法(Fa)树(Shu)?Protocol: 通(Tong)讯(Xun)协(Xie)议(Yi)?NET: 网(Wang)络(Luo)描(Miao)述(Shu)符(Fu)?handler: 存(Cun)储(Chu)引(Yin)擎(Qing)接(Jie)口(Kou)4、核(He)心(Xin)函(Han)数(Shu)库(Ku)4.1、内(Nei)存(Cun)操(Cao)作(Zuo):?init_alloc_root: 内(Nei)存(Cun)池(Chi)初(Chu)始(Shi)化(Hua),生(Sheng)成(Cheng)内(Nei)存(Cun)池(Chi)根(Gen)(MEM_ROOT)?alloc_root: 申(Shen)请(Qing)内(Nei)存(Cun)池(Chi)内(Nei)存(Cun),从(Cong)mem_root制(Zhi)定(Ding)的(De)内(Nei)存(Cun)池(Chi)申(Shen)请(Qing)内(Nei)存(Cun)块(Kuai)?free_root: 释(Shi)放(Fang)内(Nei)存(Cun)池(Chi),通(Tong)过(Guo)MyFlags指(Zhi)定(Ding)哪(Na)种(Zhong)内(Nei)存(Cun)可(Ke)以(Yi)被(Bei)释(Shi)放(Fang)4.2、文(Wen)件(Jian)操(Cao)作(Zuo):?my_open: 打(Da)开(Kai)一(Yi)个(Ge)文(Wen)件(Jian)?my_close: 关(Guan)闭(Bi)一(Yi)个(Ge)文(Wen)件(Jian)?my_b_flush_io_cache: 讲(Jiang)数(Shu)据(Ju)从(Cong)内(Nei)存(Cun)缓(Huan)冲(Chong)写(Xie)到(Dao)物(Wu)理(Li)磁(Ci)盘(Pan)?end_io_cache: 释(Shi)放(Fang)一(Yi)个(Ge)IO_CACHE对(Dui)象(Xiang)4.3、哈(Ha)希(Xi)操(Cao)作(Zuo):?_hash_init: 初(Chu)始(Shi)化(Hua)HASH描(Miao)述(Shu)符(Fu)?hash_search: 搜(Sou)索(Suo)哈(Ha)希(Xi)表(Biao),调(Diao)用(Yong)hash_first?hash_first: 返(Fan)回(Hui)哈(Ha)希(Xi)表(Biao)中(Zhong)找(Zhao)到(Dao)的(De)第(Di)一(Yi)个(Ge)行(Xing)指(Zhi)针(Zhen),否(Fou)则(Ze)返(Fan)回(Hui)04.4、字(Zi)符(Fu)串(Chuan)操(Cao)作(Zuo):?strappend:填(Tian)充(Chong)字(Zi)符(Fu)串(Chuan)?strmov: 移(Yi)动(Dong)字(Zi)符(Fu)串(Chuan)到(Dao)新(Xin)地(Di)址(Zhi)5、主(Zhu)要(Yao)函(Han)数(Shu)主(Zhu)要(Yao)函(Han)数(Shu)和(He)流(Liu)程(Cheng)包(Bao)括(Kuo):1. 初(Chu)始(Shi)化(Hua)系(Xi)统(Tong)变(Bian)量(Liang)和(He)系(Xi)统(Tong)状(Zhuang)态(Tai)2. 初(Chu)始(Shi)化(Hua)服(Fu)务(Wu)器(Qi)的(De)各(Ge)个(Ge)模(Mo)块(Kuai)以(Yi)下(Xia)为(Wei)源(Yuan)码(Ma)层(Ceng)面(Mian)各(Ge)个(Ge)函(Han)数(Shu)的(De)基(Ji)本(Ben)说(Shuo)明(Ming):源(Yuan)码(Ma)分(Fen)析(Xi)main mysqld_main(argc, argv) | pre_initialize_performance_schema(); 初(Chu)始(Shi)化(Hua)performance shcema相(Xiang)关(Guan)内(Nei)容(Rong) | my_init() | load_defaults(MYSQL_CONFIG_NAME, load_default_groups, &argc, &argv) 读(Du)取(Qu)配(Pei)置(Zhi)文(Wen)件(Jian) | init_pfs_instrument_array 初(Chu)始(Shi)化(Hua)performance shcema相(Xiang)关(Guan)内(Nei)容(Rong) | handle_early_options 初(Chu)始(Shi)化(Hua)部(Bu)分(Fen)变(Bian)量(Liang),为(Wei)mysqld初(Chu)始(Shi)化(Hua)系(Xi)统(Tong)表(Biao)等(Deng)做(Zuo)准(Zhun)备(Bei) | my_long_early_options变(Bian)量(Liang)设(She)置(Zhi),包(Bao)括(Kuo)bootstrap、skip-grant-tables、help、verbose、version、initialize、initialize-insecure | init_sql_statement_names 初(Chu)始(Shi)化(Hua)命(Ming)令(Ling),为(Wei)后(Hou)续(Xu)status统(Tong)计(Ji)操(Cao)作(Zuo)数(Shu)量(Liang)做(Zuo)准(Zhun)备(Bei) | sys_var_init() 初(Chu)始(Shi)化(Hua)系(Xi)统(Tong)变(Bian)量(Liang)hash桶(Tong),将(Jiang)所(Suo)有(You)的(De)系(Xi)统(Tong)变(Bian)量(Liang)插(Cha)入(Ru)到(Dao)hash桶(Tong)中(Zhong)(这(Zhe)里(Li)的(De)变(Bian)量(Liang)为(Wei)sys_vars.cc中(Zhong)定(Ding)义(Yi)的(De)变(Bian)量(Liang)) | init_error_log 初(Chu)始(Shi)化(Hua)error log 锁(Suo) | mysql_audit_initialize 初(Chu)始(Shi)化(Hua)audit plugin锁(Suo),为(Wei)后(Hou)续(Xu)初(Chu)始(Shi)化(Hua)audit plugin做(Zuo)准(Zhun)备(Bei) | query_logger.init(); 初(Chu)始(Shi)化(Hua)general log和(He)slow log的(De)锁(Suo) | init_common_variables() 所(Suo)有(You)变(Bian)量(Liang)相(Xiang)关(Guan)内(Nei)容(Rong)初(Chu)始(Shi)化(Hua),包(Bao)括(Kuo)变(Bian)量(Liang)本(Ben)身(Shen)的(De)值(Zhi)以(Yi)及(Ji)部(Bu)分(Fen)变(Bian)量(Liang)控(Kong)制(Zhi)的(De)特(Te)性(Xing) | init_server_components() 服(Fu)务(Wu)器(Qi)各(Ge)个(Ge)模(Mo)块(Kuai)的(De)初(Chu)始(Shi)化(Hua),包(Bao)括(Kuo) | init_server_auto_options() 初(Chu)始(Shi)化(Hua)UUID | if (gtid_state->read_gtid_executed_from_table() == -1) 从(Cong)gtid_execute表(Biao)中(Zhong)读(Du)取(Qu)gtid_execute | if (opt_bin_log) | gtid_state->get_executed_gtids()/gtid_state->get_lost_gtids() .... 如(Ru)果(Guo)开(Kai)启(Qi)了(Liao)binlog,则(Ze)初(Chu)始(Shi)化(Hua)gtid相(Xiang)关(Guan)信(Xin)息(Xi) | 将(Jiang)gtid 信(Xin)息(Xi)更(Geng)新(Xin)到(Dao) mysql_bin_log中(Zhong) | 将(Jiang)表(Biao)中(Zhong)记(Ji)录(Lu)的(De)gtid信(Xin)息(Xi)与(Yu)binlog同(Tong)步(Bu)(包(Bao)括(Kuo)purge,crash recovery恢(Hui)复(Fu)等(Deng)) | init_ssl()/network_init 初(Chu)始(Shi)化(Hua)ssl和(He)网(Wang)络(Luo) | create_pid_file(); 创(Chuang)建(Jian)pid文(Wen)件(Jian) | acl_init(opt_noacl) 初(Chu)始(Shi)化(Hua)用(Yong)户(Hu)名(Ming)、密(Mi)码(Ma)等(Deng)信(Xin)息(Xi)缓(Huan)存(Cun),并(Bing)将(Jiang)user表(Biao)中(Zhong)的(De)内(Nei)容(Rong)读(Du)取(Qu)缓(Huan)存(Cun) | grant_init(opt_noacl) 初(Chu)始(Shi)化(Hua)权(Quan)限(Xian)缓(Huan)存(Cun),将(Jiang)tables_priv等(Deng)表(Biao)中(Zhong)的(De)权(Quan)限(Xian)信(Xin)息(Xi)读(Du)取(Qu)缓(Huan)存(Cun) | servers_init(0); 初(Chu)始(Shi)化(Hua)mysql.servers表(Biao),并(Bing)读(Du)入(Ru)缓(Huan)存(Cun) | udf_init(); 初(Chu)始(Shi)化(Hua)用(Yong)户(Hu)自(Zi)定(Ding)义(Yi)函(Han)数(Shu) | init_status_vars(); 初(Chu)始(Shi)化(Hua)系(Xi)统(Tong)状(Zhuang)态(Tai),system status排(Pai)序(Xu) | init_slave() 初(Chu)始(Shi)化(Hua)slave相(Xiang)关(Guan)的(De)结(Jie)构(Gou)体(Ti) 如(Ru)存(Cun)在(Zai)复(Fu)制(Zhi)相(Xiang)关(Guan)的(De)信(Xin)息(Xi),同(Tong)时(Shi)skip_slave_start未(Wei)设(She)置(Zhi),则(Ze)启(Qi)动(Dong)复(Fu)制(Zhi) | execute_ddl_log_recovery 执(Zhi)行(Xing)ddl语(Yu)句(Ju)的(De)crash recovery | start_signal_handler(); 创(Chuang)建(Jian)信(Xin)号(Hao)处(Chu)理(Li)线(Xian)程(Cheng),处(Chu)理(Li)信(Xin)号(Hao)SIGTERM/SIGQUIT/SIGHUP | if (opt_bootstrap) error= bootstrap(mysql_stdin); 初(Chu)始(Shi)化(Hua)数(Shu)据(Ju)目(Mu)录(Lu)、系(Xi)统(Tong)表(Biao) | if (opt_init_file && *opt_init_file) read_init_file(opt_init_file) 从(Cong)文(Wen)件(Jian)中(Zhong)初(Chu)始(Shi)化(Hua)数(Shu)据(Ju)目(Mu)录(Lu)、系(Xi)统(Tong)表(Biao) | mysqld_socket_acceptor->connection_event_loop(); 监(Jian)听(Ting)端(Duan)口(Kou)和(He)sock文(Wen)件(Jian),等(Deng)待(Dai)客(Ke)户(Hu)端(Duan)连(Lian)接(Jie) init_common_variables() 所(Suo)有(You)变(Bian)量(Liang)相(Xiang)关(Guan)的(De)初(Chu)始(Shi)化(Hua) | init_thread_environment 初(Chu)始(Shi)化(Hua)全(Quan)局(Ju)mutex和(He)condition | mysql_init_variables 设(She)置(Zhi)部(Bu)分(Fen)全(Quan)局(Ju)变(Bian)量(Liang)的(De)默(Mo)认(Ren)值(Zhi) | if (gethostname(glob_hostname,sizeof(glob_hostname)) < 0) ...... 生(Sheng)成(Cheng)pid文(Wen)件(Jian) | 设(She)置(Zhi)默(Mo)认(Ren)存(Cun)储(Chu)引(Yin)擎(Qing) | if (add_status_vars(status_vars)) 将(Jiang)全(Quan)局(Ju)变(Bian)量(Liang)status_vars中(Zhong)的(De)系(Xi)统(Tong) status存(Cun)入(Ru)all_status_vars中(Zhong) | get_options 将(Jiang)设(She)置(Zhi)的(De)系(Xi)统(Tong)变(Bian)量(Liang)的(De)值(Zhi)更(Geng)新(Xin)到(Dao)系(Xi)统(Tong)变(Bian)量(Liang)中(Zhong) | set_default_auth_plugin 设(She)置(Zhi)默(Mo)认(Ren)的(De)身(Shen)份(Fen)验(Yan)证(Zheng)插(Cha)件(Jian)(通(Tong)常(Chang)为(Wei)native_password) | set_server_version 设(She)置(Zhi)mysql版(Ban)本(Ben)的(De)后(Hou)缀(Zhui)(-embedded、-log、-debug...) | init_errmessage/init_client_errs 初(Chu)始(Shi)化(Hua)error message | item_create_init/item_init 初(Chu)始(Shi)化(Hua)所(Suo)有(You)的(De)item类(Lei)和(He)函(Han)数(Shu)(解(Jie)析(Xi)和(He)后(Hou)续(Xu)执(Zhi)行(Xing)使(Shi)用(Yong)) | 初(Chu)始(Shi)化(Hua) charset/collation | lex_init 初(Chu)始(Shi)化(Hua)解(Jie)析(Xi)sql使(Shi)用(Yong)的(De)lex | 初(Chu)始(Shi)化(Hua)general log 和(He) slow log的(De)日(Ri)志(Zhi)名(Ming)get_options 将(Jiang)文(Wen)件(Jian)中(Zhong)、命(Ming)令(Ling)行(Xing)中(Zhong)设(She)置(Zhi)的(De)参(Can)数(Shu),设(She)置(Zhi)到(Dao)系(Xi)统(Tong)参(Can)数(Shu)中(Zhong) |将(Jiang)my_long_options存(Cun)入(Ru)all_options |将(Jiang)all_sys_vars存(Cun)入(Ru)all_options 所(Suo)有(You)的(De)系(Xi)统(Tong)变(Bian)量(Liang)均(Jun)已(Yi)存(Cun)入(Ru)all_options中(Zhong) |将(Jiang) {0, 0, 0, 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}; 存(Cun)入(Ru)all_option 作(Zuo)为(Wei)结(Jie)束(Shu)符(Fu) |handle_options |if (Connection_handler_manager::init()) 初(Chu)始(Shi)化(Hua)连(Lian)接(Jie)管(Guan)理(Li)模(Mo)块(Kuai) |if (Global_THD_manager::create_instance()) 初(Chu)始(Shi)化(Hua)线(Xian)程(Cheng)管(Guan)理(Li)模(Mo)块(Kuai) init_server_components() | mdl_init 初(Chu)始(Shi)化(Hua)mdl锁(Suo) | table_def_init/hostname_cache_init/my_timer_initialize | init_server_query_cache query cache初(Chu)始(Shi)化(Hua) | randominit 随(Sui)机(Ji)数(Shu)初(Chu)始(Shi)化(Hua) | init_slave_list 初(Chu)始(Shi)化(Hua)从(Cong)机(Ji)hash桶(Tong) | transaction_cache_init() 事(Shi)务(Wu)缓(Huan)存(Cun)hash桶(Tong)和(He)锁(Suo)初(Chu)始(Shi)化(Hua) | delegates_init delegates用(Yong)于(Yu)执(Zhi)行(Xing)回(Hui)调(Diao)函(Han)数(Shu) | if (opt_bin_log) 如(Ru)果(Guo)变(Bian)量(Liang)中(Zhong)开(Kai)启(Qi)了(Liao)binlog | 生(Sheng)成(Cheng)binlog_index 和(He) binlog的(De)文(Wen)件(Jian)名(Ming) | if (opt_relay_logname) 如(Ru)果(Guo)变(Bian)量(Liang)中(Zhong)开(Kai)启(Qi)了(Liao)relaylog | 生(Sheng)成(Cheng)relaylog_index 和(He) relay log的(De)文(Wen)件(Jian)名(Ming) | if (ha_init_errors()) 将(Jiang)handler模(Mo)块(Kuai)的(De)错(Cuo)误(Wu)信(Xin)息(Xi)注(Zhu)册(Ce)到(Dao)mysqld的(De)my_error中(Zhong) | if (gtid_server_init()) 初(Chu)始(Shi)化(Hua)gitd结(Jie)构(Gou)体(Ti) | if (plugin_init(&remaining_argc, remaining_argv ... 初(Chu)始(Shi)化(Hua)所(Suo)有(You)的(De)插(Cha)件(Jian)(包(Bao)括(Kuo)编(Bian)译(Yi)、配(Pei)置(Zhi)、命(Ming)令(Ling)行(Xing)加(Jia)载(Zai)的(De)参(Can)数(Shu)) | query_logger.set_handlers(log_output_options); 初(Chu)始(Shi)化(Hua)general log/slow log的(De)日(Ri)志(Zhi)处(Chu)理(Li)模(Mo)块(Kuai) | if (initialize_storage_engine(default_storage_engine, "".... 初(Chu)始(Shi)化(Hua)默(Mo)认(Ren)的(De)存(Cun)储(Chu)引(Yin)擎(Qing) | if (tc_log->open(opt_bin_log ? opt_bin_logname : opt_tc_log_file)) tc_log打(Da)开(Kai)binlog,主(Zhu)要(Yao)用(Yong)于(Yu)binlog和(He)存(Cun)储(Chu)引(Yin)擎(Qing)的(De)recovery使(Shi)用(Yong),打(Da)开(Kai)当(Dang)前(Qian)index中(Zhong)最(Zui)后(Hou)一(Yi)个(Ge)文(Wen)件(Jian) | if (ha_recover(0)) recovery | if (mysql_bin_log.open_binlog(opt_bin_logname, 0, mysql_bin_log打(Da)开(Kai)binlog,生(Sheng)成(Cheng)新(Xin)的(De)binlog,在(Zai)index文(Wen)件(Jian)中(Zhong)加(Jia)入(Ru)新(Xin)的(De)内(Nei)容(Rong) | mysql_bin_log.purge_logs_before_date(purge_time, true); 如(Ru)果(Guo)开(Kai)启(Qi)了(Liao)复(Fu)制(Zhi),同(Tong)时(Shi)开(Kai)启(Qi)了(Liao)binlog定(Ding)期(Qi)删(Shan)除(Chu)时(Shi)间(Jian),删(Shan)除(Chu)过(Guo)期(Qi)的(De)binlog | init_max_user_conn(void) 初(Chu)始(Shi)化(Hua)连(Lian)接(Jie)hash桶(Tong) | init_update_queries(); 初(Chu)始(Shi)化(Hua)server_command_flags结(Jie)构(Gou)体(Ti),用(Yong)于(Yu)命(Ming)令(Ling)统(Tong)计(Ji)入(Ru)口(Kou)函(Han)数(Shu)在(Zai)sql/main.cc文(Wen)件(Jian)中(Zhong),里(Li)面(Mian)只(Zhi)有(You)一(Yi)个(Ge)函(Han)数(Shu),它(Ta)又(You)调(Diao)用(Yong)了(Liao)mysqld_main,从(Cong)这(Zhe)个(Ge)函(Han)数(Shu)开(Kai)始(Shi)到(Dao)结(Jie)束(Shu),就(Jiu)完(Wan)成(Cheng)了(Liao)mysqld的(De)启(Qi)动(Dong)操(Cao)作(Zuo)。/* main() for mysqld. Calls mysqld_main() entry point exported by sql library.*/extern int mysqld_main(int argc, char **argv);int main(int argc, char **argv){ return mysqld_main(argc, argv);}7、MySQL启(Qi)动(Dong)流(Liu)程(Cheng)主(Zhu)要(Yao)代(Dai)码(Ma)在(Zai)sql/mysqld.cc中(Zhong),精(Jing)简(Jian)后(Hou)的(De)代(Dai)码(Ma)如(Ru)下(Xia):int main(int argc, char **argv) //标(Biao)准(Zhun)入(Ru)口(Kou)函(Han)数(Shu)MY_INIT(argv[0]);//调(Diao)用(Yong)mysys/My_init.c->my_init(),初(Chu)始(Shi)化(Hua)mysql内(Nei)部(Bu)的(De)系(Xi)统(Tong)库(Ku)logger.init_base(); //初(Chu)始(Shi)化(Hua)日(Ri)志(Zhi)功(Gong)能(Neng)init_common_variables(MYSQL_CONFIG_NAME,argc, argv, load_default_groups) //调(Diao)用(Yong)load_defaults(conf_file_name, groups, &argc, &argv),读(Du)取(Qu)配(Pei)置(Zhi)信(Xin)息(Xi)user_info = check_user(mysqld_user);//检(Jian)测(Ce)启(Qi)动(Dong)时(Shi)的(De)用(Yong)户(Hu)选(Xuan)项(Xiang)set_user(mysqld_user, user_info);//设(She)置(Zhi)以(Yi)该(Gai)用(Yong)户(Hu)运(Yun)行(Xing)init_server_components();//初(Chu)始(Shi)化(Hua)内(Nei)部(Bu)的(De)一(Yi)些(Xie)组(Zu)件(Jian),如(Ru)table_cache, query_cache等(Deng)。network_init();//初(Chu)始(Shi)化(Hua)网(Wang)络(Luo)模(Mo)块(Kuai),创(Chuang)建(Jian)socket监(Jian)听(Ting)start_signal_handler();// 创(Chuang)建(Jian)pid文(Wen)件(Jian)mysql_rm_tmp_tables() || acl_init(opt_noacl)//删(Shan)除(Chu)tmp_table并(Bing)初(Chu)始(Shi)化(Hua)数(Shu)据(Ju)库(Ku)级(Ji)别(Bie)的(De)权(Quan)限(Xian)。init_status_vars(); // 初(Chu)始(Shi)化(Hua)mysql中(Zhong)的(De)status变(Bian)量(Liang)start_handle_manager();//创(Chuang)建(Jian)manager线(Xian)程(Cheng)handle_connections_sockets();//主(Zhu)要(Yao)处(Chu)理(Li)函(Han)数(Shu),处(Chu)理(Li)新(Xin)的(De)连(Lian)接(Jie)并(Bing)创(Chuang)建(Jian)新(Xin)的(De)线(Xian)程(Cheng)处(Chu)理(Li)觉(Jue)得(De)有(You)用(Yong)的(De)朋(Peng)友(You)多(Duo)帮(Bang)忙(Mang)转(Zhuan)发(Fa)哦(O)!后(Hou)面(Mian)会(Hui)分(Fen)享(Xiang)更(Geng)多(Duo)devops和(He)DBA方(Fang)面(Mian)的(De)内(Nei)容(Rong),感(Gan)兴(Xing)趣(Qu)的(De)朋(Peng)友(You)可(Ke)以(Yi)关(Guan)注(Zhu)下(Xia)~

dangshidedongjie20sui。zhizhedaqiao,yuzhezhuqiang。zaikejichuangxinbuduantupo、keyanfanshishenkebianhuadedangxia,zhongguoyuanyugeguoyidaojijiyongbaoxinyilunkejigeminghechanyebiangedailaidezhongdajiyu,shishigengjiakaifangbaoronghuhuigongxiangdeguojikejihezuocelue,shenhuakejichuangxinlingyujiaoliuhezuo。(benwenlaiyuan:jingjiribao zuozhe:zuohuimin)

根(骋别苍)据(闯耻)贰厂笔狈的(顿别)消(齿颈补辞)息(齿颈)湖(贬耻)人(搁别苍)和(贬别)克(碍别)里(尝颈)斯(厂颈)蒂(顿颈)计(闯颈)划(贬耻补)签(蚕颈补苍)下(齿颈补)一(驰颈)份(贵别苍)四(厂颈)年(狈颈补苍)3200万(奥补苍)美(惭别颈)元(驰耻补苍)的(顿别)合(贬别)同(罢辞苍驳),管(骋耻补苍)理(尝颈)层(颁别苍驳)的(顿别)操(颁补辞)作(窜耻辞)属(厂丑耻)实(厂丑颈)让(搁补苍驳)球(蚕颈耻)迷(惭颈)倍(叠别颈)感(骋补苍)意(驰颈)外(奥补颈),要(驰补辞)知(窜丑颈)道(顿补辞)上(厂丑补苍驳)赛(厂补颈)季(闯颈)场(颁丑补苍驳)均(闯耻苍)仅(闯颈苍)贡(骋辞苍驳)献(齿颈补苍)4.2分(贵别苍)2.1篮(尝补苍)板(叠补苍)的(顿别)数(厂丑耻)据(闯耻),各(骋别)个(骋别)方(贵补苍驳)面(惭颈补苍)综(窜辞苍驳)合(贬别)考(碍补辞)虑(尝惫)都(顿耻)很(贬别苍)不(叠耻)划(贬耻补)算(厂耻补苍),唯(奥别颈)一(驰颈)的(顿别)可(碍别)能(狈别苍驳)是(厂丑颈)未(奥别颈)来(尝补颈)想(齿颈补苍驳)要(驰补辞)重(窜丑辞苍驳)点(顿颈补苍)培(笔别颈)养(驰补苍驳),但(顿补苍)对(顿耻颈)于(驰耻)一(驰颈)支(窜丑颈)试(厂丑颈)图(罢耻)争(窜丑别苍驳)冠(骋耻补苍)的(顿别)球(蚕颈耻)队(顿耻颈)不(叠耻)太(罢补颈)现(齿颈补苍)实(厂丑颈),既(闯颈)无(奥耻)法(贵补)提(罢颈)供(骋辞苍驳)足(窜耻)够(骋辞耻)上(厂丑补苍驳)场(颁丑补苍驳)时(厂丑颈)间(闯颈补苍),也(驰别)浪(尝补苍驳)费(贵别颈)薪(齿颈苍)资(窜颈)空(碍辞苍驳)间(闯颈补苍)补(叠耻)强(蚕颈补苍驳),只(窜丑颈)能(狈别苍驳)说(厂丑耻辞)这(窜丑别)是(厂丑颈)一(驰颈)笔(叠颈)非(贵别颈)常(颁丑补苍驳)不(叠耻)理(尝颈)智(窜丑颈)的(顿别)赌(顿耻)博(叠辞)式(厂丑颈)选(齿耻补苍)择(窜别)。

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