update mysql2redis.md
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Guobao Jiang
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@ -4,16 +4,34 @@ mysql2redis
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## STATUS
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draft
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## MAIN FUNCTIONS
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This doc tells users how to install mysql2redis in linux env.
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## INTRO
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This doc tells users how to install mysql2redis in linux
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env. Mysql2redis is mysql UDF(user-defined function) dynamic library,
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which is used to update redis when mysql update.
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## DENPENDENCY
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1. jemalloc
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2. apr
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3. apr-util
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4. hiredis
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5. lib_mysqludf_json
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## INSTALL DEPS
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* sudo apt-get install libjemalloc1 libjemalloc-dev
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or source download install
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* install apr: 1. download 2. ./configure 3. make 4. make test 5. make
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install
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* install apr-util: 1. download 2. ./configure
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--with-apr=/usr/local/apr 3. make 4. make install
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* install jemalloc
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1. sudo apt-get install libjemalloc1 libjemalloc-dev (Ubuntu)
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2. or source install, which can be download from
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[here](http://www.canonware.com/download/jemalloc/jemalloc-3.5.0.tar.bz2).
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* install apr
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1. download: wget http://mirror.bit.edu.cn/apache//apr/apr-1.5.0.tar.gz
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2. ./configure
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3. make
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4. make test
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5. sudo make install
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* install apr-util
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1. download
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2. ./configure --with-apr=/usr/local/apr
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3. make
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4. sudo make install
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* install lib_mysqludf_json
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1. download: wget https://github.com/mysqludf/lib_mysqludf_json
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2. copy lib_mysqludf_json.so to /usr/lib/mysql/plugin
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@ -22,50 +40,57 @@ This doc tells users how to install mysql2redis in linux env.
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2. cd hiredis;
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3. make
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4. sudo make install #or copy libhiredis.so in mysql plugin dir
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* configure Makefile
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1. modify its format.
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2. modify mysqlplugindir i.e. PLUGINDIR
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* install mysql2redis:
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1. make (note QA)
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* install mysql2redis
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1. download git clone https://github.com/aborn/mysql2redis.git
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2. cd mysql2redis
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3. modify Makefile
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* make Makefile sytax right.
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* modify mysqlplugindir (PLUGINDIR)
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4. make
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## QA
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#### Install apr error
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1. /usr/local/apr/include/apr-1/apr.h:358:1: error: unknown type name
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‘off64_t’
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* sudo vi /usr/local/apr/include/apr-1/apr.h in line 358
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* add line typedef long off64_t;
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before typedef off64_t apr_off_t;
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* before typedef off64_t apr_off_t;
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* message as follow:
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> . vagrant@precise32 ~/mysql2redis
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> % make
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> gcc -Werror -O2 -g `/usr/bin/mysql_config --include` -I/usr/local/include -I/usr/local/apr/include -I. -fPIC -shared -rdynamic lib_mysqludf_redis.c utils.c\
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> -lhiredis -L"/usr/lib64/mysql/plugin" -L/usr/local/apr/lib -lapr-1 -laprutil-1 -ljemalloc -o "/usr/lib64/mysql/plugin"/lib_mysqludf_redis_v2.so
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> In file included from lib_mysqludf_redis.c:50:0:
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> /usr/local/apr/include/apr-1/apr.h:358:1: error: unknown type name ‘off64_t’
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> lib_mysqludf_redis.c: In function ‘check_error’:
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> lib_mysqludf_redis.c:271:13: error: format not a string literal and no format arguments [-Werror=format-security]
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> cc1: all warnings being treated as errors
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> make: *** [linux] Error 1
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#### Install mysql2redis
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2. lib_mysqludf_redis.c:271:13: error: format not a string literal and
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no format arguments [-Werror=format-security]
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* vi lib_mysqludf_redis.c in line 271
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* /*fprintf(pFile,buf)*/
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fputs(buf, pFile);
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* fputs(buf, pFile);
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* message append follow:
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> % make
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> gcc -Werror -O2 -g `/usr/bin/mysql_config --include` -I/usr/local/include -I/usr/local/apr/include -I. -fPIC -shared -rdynamic lib_mysqludf_redis.c utils.c\
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> -lhiredis -L"/usr/lib64/mysql/plugin" -L/usr/local/apr/lib -lapr-1 -laprutil-1 -ljemalloc -o "/usr/lib64/mysql/plugin"/lib_mysqludf_redis_v2.so
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> lib_mysqludf_redis.c: In function ‘check_error’:
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> lib_mysqludf_redis.c:271:13: error: format not a string literal and no format arguments [-Werror=format-security]
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> cc1: all warnings being treated as errors
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> make: *** [linux] Error 1
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#### Install hiredis
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3. install hiredis
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* make: Nothing to be done for `all'.
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* sudo make install
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## APPEND
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1. vagrant@precise32 ~/mysql2redis
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% make
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gcc -Werror -O2 -g `/usr/bin/mysql_config --include` -I/usr/local/include -I/usr/local/apr/include -I. -fPIC -shared -rdynamic lib_mysqludf_redis.c utils.c\
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-lhiredis -L"/usr/lib64/mysql/plugin" -L/usr/local/apr/lib -lapr-1 -laprutil-1 -ljemalloc -o "/usr/lib64/mysql/plugin"/lib_mysqludf_redis_v2.so
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In file included from lib_mysqludf_redis.c:50:0:
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/usr/local/apr/include/apr-1/apr.h:358:1: error: unknown type name ‘off64_t’
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lib_mysqludf_redis.c: In function ‘check_error’:
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lib_mysqludf_redis.c:271:13: error: format not a string literal and no format arguments [-Werror=format-security]
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cc1: all warnings being treated as errors
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make: *** [linux] Error 1
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2. % make
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gcc -Werror -O2 -g `/usr/bin/mysql_config --include` -I/usr/local/include -I/usr/local/apr/include -I. -fPIC -shared -rdynamic lib_mysqludf_redis.c utils.c\
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-lhiredis -L"/usr/lib64/mysql/plugin" -L/usr/local/apr/lib -lapr-1 -laprutil-1 -ljemalloc -o "/usr/lib64/mysql/plugin"/lib_mysqludf_redis_v2.so
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lib_mysqludf_redis.c: In function ‘check_error’:
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lib_mysqludf_redis.c:271:13: error: format not a string literal and no format arguments [-Werror=format-security]
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cc1: all warnings being treated as errors
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make: *** [linux] Error 1
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3. vagrant@precise32 ~/sw/hiredis
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% sudo make install
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@ -16,8 +16,10 @@ CREATE TRIGGER tri_set_insert AFTER INSERT ON account
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BEGIN
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DECLARE done INT DEFAULT 99;
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DECLARE ret INT DEFAULT 99;
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DECLARE fre INT DEFAULT 99;
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SET @ret=redis_servers_set_v2("127.0.0.1",6379);
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SET @done=redis_command_v2("127.0.0.1",6379,"set",concat("account:",new.acct_num),concat("acct_num:",new.acct_num, " amount:", new.amount));
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SET @fre=free_resources();
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END;|
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delimiter ;
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@ -33,8 +35,10 @@ CREATE TRIGGER tri_set_update AFTER UPDATE ON account
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BEGIN
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DECLARE done INT DEFAULT 99;
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DECLARE ret INT DEFAULT 99;
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DECLARE fre INT DEFAULT 99;
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SET @ret=redis_servers_set_v2("127.0.0.1",6379);
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SET @done=redis_command_v2("127.0.0.1",6379,"set",concat("account:",new.acct_num),concat("acct_num:",new.acct_num, " amount:", new.amount));
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SET @fre=free_resources();
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END;|
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delimiter ;
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@ -51,8 +55,10 @@ CREATE TRIGGER tri_set_delete AFTER DELETE ON account
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BEGIN
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DECLARE done INT DEFAULT 99;
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DECLARE ret INT DEFAULT 99;
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DECLARE fre INT DEFAULT 99;
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SET @ret=redis_servers_set_v2("127.0.0.1",6379);
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#SET @done=redis_command_v2("127.0.0.1",6379,"set",concat("account:",old.acct_num),concat("del_acct_num:",old.acct_num, " amount:", old.amount));
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SET @done=redis_command_v2("127.0.0.1",6379,"del",concat("account:",old.acct_num),"deleted success.");
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SET @fre=free_resources();
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END; |
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delimiter ;
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