MySQL-group-replication 配置步骤(推荐)

MySQL-Group-Replication 是mysql-5.7.17版本开发出来的新特性；它在master-slave 之间实现了强一致性，

但是就目前来说主要是性能不太好。

【1】确定当前的mysql数据库版本为5.7.17及以上

/usr/local/mysql/bin/mysqld --version/usr/local/mysql/bin/mysqld Ver 5.7.17 for linux-glibc2.5 on x86_64 (MySQL Community Server (GPL))

/tmp/4406.cnf 内容如下：

[mysqld]####: for globaluser          =jianglexing          #  mysqlbasedir          =/usr/local/mysql        #  /usr/local/mysql/datadir          =/tmp/4406/          #  /usr/local/mysql/dataserver_id        =4406            #  0port          =4406            #  3306socket          =/tmp/4406/mysql.sock        #  /tmp/mysql.sockauto_increment_increment    =1            #  1auto_increment_offset      =1            #  1lower_case_table_names      =1            #  0secure_file_priv      =            #  null####: for binlogbinlog_format        =row            #  rowlog_bin          =mysql-bin          #  offbinlog_rows_query_log_events    =on            #  offlog_slave_updates      =on            #  offexpire_logs_days      =4            #  0binlog_cache_size      =32768            #  32768(32k)binlog_checksum        =none            #  CRC32sync_binlog        =1            #  1####: for error-loglog_error        =mysql-err.log          #  /usr/local/mysql/data/localhost.localdomain.err####: for slow query log####: for gtidgtid_mode        =on            #  offenforce_gtid_consistency    =on            #  off####: for replicationmaster_info_repository      =table            #  filerelay_log_info_repository    =table            #  file####: for group replicationtransaction_write_set_extraction  =XXHASH64          #  offloose-group_replication_group_name  ="aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa"    #  loose-group_replication_start_on_boot  =off            #  offloose-group_replication_local_address  ="127.0.0.1:24901"        #loose-group_replication_group_seeds  ="127.0.0.1:24901,127.0.0.1:24902,127.0.0.1:24903"loose-group_replication_bootstrap_group  =off            #  off####: for innodbdefault_storage_engine      =innodb            #  innodbdefault_tmp_storage_engine    =innodb            #  innodbinnodb_data_file_path      =ibdata1:12M:autoextend        #  ibdata1:12M:autoextendinnodb_temp_data_file_path    =ibtmp1:12M:autoextend        #  ibtmp1:12M:autoextendinnodb_log_group_home_dir    =./            #  ./innodb_log_files_in_group    =2            #  2innodb_log_file_size      =48M            #  50331648(48M)innodb_file_format      =Barracuda          #  Barracudainnodb_file_per_table      =on             #  oninnodb_page_size      =16k            #  16384(16k)innodb_thread_concurrency    =0            #  0innodb_read_io_threads      =4            #  4innodb_write_io_threads      =4            #  4innodb_purge_threads      =4            #  4innodb_print_all_deadlocks    =on            #  offinnodb_deadlock_detect      =on            #  oninnodb_lock_wait_timeout    =50            #  50innodb_spin_wait_delay      =6            #  6innodb_autoinc_lock_mode    =2            #  1innodb_stats_persistent      =on            #  oninnodb_stats_persistent_sample_pages  =20            #  20innodb_adaptive_hash_index    =on            #  oninnodb_change_buffering      =all            #  allinnodb_change_buffer_max_size    =25            #  25innodb_flush_neighbors      =1            #  1innodb_flush_method      =O_DIRECT          #  innodb_doublewrite      =on            #  oninnodb_log_buffer_size      =16M            #  16777216(16M)innodb_flush_log_at_timeout    =1            #  1innodb_flush_log_at_trx_commit    =1            #  1autocommit        =1            #  1[client]auto-rehash

[mysqld]####: for globaluser          =jianglexing          #  mysqlbasedir          =/usr/local/mysql        #  /usr/local/mysql/datadir          =/tmp/5506        #  /usr/local/mysql/dataserver_id        =5506            #  0port          =5506            #  3306socket          =/tmp/5506/mysql.sock        #  /tmp/mysql.sockauto_increment_increment    =1            #  1auto_increment_offset      =1            #  1lower_case_table_names      =1            #  0secure_file_priv      =            #  null####: for binlogbinlog_format        =row            #  rowlog_bin          =mysql-bin          #  offbinlog_rows_query_log_events    =on            #  offlog_slave_updates      =on            #  offexpire_logs_days      =4            #  0binlog_cache_size      =32768            #  32768(32k)binlog_checksum        =none            #  CRC32sync_binlog        =1            #  1####: for error-loglog_error        =mysql-err.log          #  /usr/local/mysql/data/localhost.localdomain.err####: for slow query log####: for gtidgtid_mode        =on            #  offenforce_gtid_consistency    =on            #  off####: for replicationmaster_info_repository      =table            #  filerelay_log_info_repository    =table            #  file####: for group replicationtransaction_write_set_extraction  =XXHASH64          #  offloose-group_replication_group_name  ="aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa"    #  loose-group_replication_start_on_boot  =off            #  offloose-group_replication_local_address  ="127.0.0.1:24902"        #loose-group_replication_group_seeds  ="127.0.0.1:24901,127.0.0.1:24902,127.0.0.1:24903"loose-group_replication_bootstrap_group  =off            #  off####: for innodbdefault_storage_engine      =innodb            #  innodbdefault_tmp_storage_engine    =innodb            #  innodbinnodb_data_file_path      =ibdata1:12M:autoextend        #  ibdata1:12M:autoextendinnodb_temp_data_file_path    =ibtmp1:12M:autoextend        #  ibtmp1:12M:autoextendinnodb_log_group_home_dir    =./            #  ./innodb_log_files_in_group    =2            #  2innodb_log_file_size      =48M            #  50331648(48M)innodb_file_format      =Barracuda          #  Barracudainnodb_file_per_table      =on             #  oninnodb_page_size      =16k            #  16384(16k)innodb_thread_concurrency    =0            #  0innodb_read_io_threads      =4            #  4innodb_write_io_threads      =4            #  4innodb_purge_threads      =4            #  4innodb_print_all_deadlocks    =on            #  offinnodb_deadlock_detect      =on            #  oninnodb_lock_wait_timeout    =50            #  50innodb_spin_wait_delay      =6            #  6innodb_autoinc_lock_mode    =2            #  1innodb_stats_persistent      =on            #  oninnodb_stats_persistent_sample_pages  =20            #  20innodb_adaptive_hash_index    =on            #  oninnodb_change_buffering      =all            #  allinnodb_change_buffer_max_size    =25            #  25innodb_flush_neighbors      =1            #  1innodb_flush_method      =O_DIRECT          #  innodb_doublewrite      =on            #  oninnodb_log_buffer_size      =16M            #  16777216(16M)innodb_flush_log_at_timeout    =1            #  1innodb_flush_log_at_trx_commit    =1            #  1autocommit        =1            #  1

[mysqld]####: for globaluser          =jianglexing          #  mysqlbasedir          =/usr/local/mysql        #  /usr/local/mysql/datadir          =/tmp/6606/        #  /usr/local/mysql/dataserver_id        =6606            #  0port          =6606            #  3306socket          =/tmp/6606/mysql.sock        #  /tmp/mysql.sockauto_increment_increment    =1            #  1auto_increment_offset      =1            #  1lower_case_table_names      =1            #  0secure_file_priv      =            #  null####: for binlogbinlog_format        =row            #  rowlog_bin          =mysql-bin          #  offbinlog_rows_query_log_events    =on            #  offlog_slave_updates      =on            #  offexpire_logs_days      =4            #  0binlog_cache_size      =32768            #  32768(32k)binlog_checksum        =none            #  CRC32sync_binlog        =1            #  1####: for error-loglog_error        =mysql-err.log          #  /usr/local/mysql/data/localhost.localdomain.err####: for slow query log####: for gtidgtid_mode        =on            #  offenforce_gtid_consistency    =on            #  off####: for replicationmaster_info_repository      =table            #  filerelay_log_info_repository    =table            #  file####: for group replicationtransaction_write_set_extraction  =XXHASH64          #  offloose-group_replication_group_name  ="aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa"    #  loose-group_replication_start_on_boot  =off            #  offloose-group_replication_local_address  ="127.0.0.1:24903"        #loose-group_replication_group_seeds  ="127.0.0.1:24901,127.0.0.1:24902,127.0.0.1:24903"loose-group_replication_bootstrap_group  =off            #  off####: for innodbdefault_storage_engine      =innodb            #  innodbdefault_tmp_storage_engine    =innodb            #  innodbinnodb_data_file_path      =ibdata1:12M:autoextend        #  ibdata1:12M:autoextendinnodb_temp_data_file_path    =ibtmp1:12M:autoextend        #  ibtmp1:12M:autoextendinnodb_log_group_home_dir    =./            #  ./innodb_log_files_in_group    =2            #  2innodb_log_file_size      =48M            #  50331648(48M)innodb_file_format      =Barracuda          #  Barracudainnodb_file_per_table      =on             #  oninnodb_page_size      =16k            #  16384(16k)innodb_thread_concurrency    =0            #  0innodb_read_io_threads      =4            #  4innodb_write_io_threads      =4            #  4innodb_purge_threads      =4            #  4innodb_print_all_deadlocks    =on            #  offinnodb_deadlock_detect      =on            #  oninnodb_lock_wait_timeout    =50            #  50innodb_spin_wait_delay      =6            #  6innodb_autoinc_lock_mode    =2            #  1innodb_stats_persistent      =on            #  oninnodb_stats_persistent_sample_pages  =20            #  20innodb_adaptive_hash_index    =on            #  oninnodb_change_buffering      =all            #  allinnodb_change_buffer_max_size    =25            #  25innodb_flush_neighbors      =1            #  1innodb_flush_method      =O_DIRECT          #  innodb_doublewrite      =on            #  oninnodb_log_buffer_size      =16M            #  16777216(16M)innodb_flush_log_at_timeout    =1            #  1innodb_flush_log_at_trx_commit    =1            #  1autocommit        =1            #  1

cd /usr/local/mysql/./bin/mysqld --defautls-file=/tmp/4406.cnf --datadir=/tmp/4406 --initialize-insecrue./bin/mysqld --defautls-file=/tmp/5506.cnf --datadir=/tmp/5506 --initialize-insecrue./bin/mysqld --defautls-file=/tmp/6606.cnf --datadir=/tmp/6606 --initialize-insecrue

/usr/local/mysql/bin/mysqld --defaults-file=/tmp/4406.cnf &

/usr/local/mysql/bin/mysqld --defaults-file=/tmp/5506.cnf &

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