复制中的主/从 MySQL 错误

Question

复制中的主/从 MySQL 错误

dom*_*dal 6 mysql replication permissions mysql-5.7

我在两个独立的数据库之间设置了一个主/从，并开始正常工作，直到从出现错误并且不同步。

这是奴隶的状态：

+---------------------------------+--------------- -+-------------+------------+---------------+---- --------------+---------------------+------------ ------------------+---------------+--------------- ---+-------------------+-------------------+--- ---------------+---------------------+------------ --------+------------------------+---------------- ---------+------------------------------------------+---------- --+-------------------------------------------------------- -------------------------------------------------- -------------------------------------------------- -------------------------------------------------- -------------------------------+--------------+--- ------------------+-----------------+------------- ----+----------------+---------------+------------ --------+--------------------+------------ +-----------------+-------------------+----------- -----+-----------------------+------------------------------ -+---------------+---------------+---------------- +------------------------------------------------- -------------------------------------------------- -------------------------------------------------- -------------------------------------------------- -----------------------------+-------------------- ---------+------------------+--------------------- -----------------+-------------------------------- --------------------------+-----------+----------- ----------+-------------------------+------------- -------+-------------+-------------------------+-- ------------------------+----------------+-------- ------------+--------------------+---------------- ---+---------------+--------------+------- -------+--------------------+--+----------------+------------------------------ -------------------------------------------------- -------------------------------------------------- -------------------------------------------------- -------------------------------------------------+- -----------------------------+--------------------+-- -------------------------+------------ ---------------------------------------------+---- -------+---------------------+-------------------- -----+------------+-------------+--------- ----------------+----------------------------------------+------ ----------+--------------------+----- --+-----------+---------------+----------- -----------+--------------+------------+--+----------------+------------------------------ -------------------------------------------------- -------------------------------------------------- -------------------------------------------------- -------------------------------------------------+- -----------------------------+--------------------+-- -------------------------+------------ ---------------------------------------------+---- -------+---------------------+-------------------- -----+------------+-------------+--------- ----------------+----------------------------------------+------ ----------+--------------------+----- --+-----------+---------------+----------- -----------+--------------+------------+-------------------------------------------------- -------------------------+------------ ----------------+------------------+-------------- ------------------------+------------------------- ---------------------------------+-----------+---- -----------------+--------------------------+------ --------------+-------------+------------ ----+----------------------------+----------------+- --------------------+------------+--------- ----------+------------------------------+--------------+ --------------+--------------------+-------------------------------------------------- -------------------------+------------ ----------------+------------------+-------------- ------------------------+------------------------- ---------------------------------+-----------+---- -----------------+--------------------------+------ --------------+-------------+------------ ----+----------------------------+----------------+- --------------------+------------+--------- ----------+------------------------------+--------------+ --------------+--------------------+----+----------------------------+------------ -------+----------------+--------------------+---- ----------------+--------------------+------------ --+----------------------+--------------+--------- -----------+----+----------------------------+------------ -------+----------------+--------------------+---- ----------------+--------------------+------------ --+----------------------+--------------+--------- -----------+
| Slave_IO_State | Master_Host | Master_User | Master_Port | Connect_Retry | Master_Log_File | Read_Master_Log_Pos | Relay_Log_File | Relay_Log_Pos | Relay_Master_Log_File | Slave_IO_Running | Slave_SQL_Running | Replicate_Do_DB | Replicate_Ignore_DB | Replicate_Do_Table | Replicate_Ignore_Table | Replicate_Wild_Do_Table | Replicate_Wild_Ignore_Table | Last_Errno | Last_Error | Skip_Counter | Exec_Master_Log_Pos | Relay_Log_Space | 直到_条件 | 直到_Log_File | 直到_Log_Pos | Master_SSL_Allowed | Master_SSL_CA_File | Master_SSL_CA_Path | Master_SSL_Cert | Master_SSL_Cipher | Master_SSL_Key | 秒_Behind_Master | Master_SSL_Verify_Server_Cert | Last_IO_Errno | Last_IO_Error | Last_SQL_Errno | Last_SQL_Error | Replicate_Ignore_Server_Ids | Master_Server_Id | Master_UUID | Master_Info_File | SQL_延迟 | SQL_Remaining_Delay | Slave_SQL_Running_State | Master_Retry_Count | Master_Bind | Last_IO_Error_Timestamp | Last_SQL_Error_Timestamp | Master_SSL_Crl | Master_SSL_Crlpath | Retrieved_Gtid_Set | Executed_Gtid_Set | Auto_Position | Replicate_Rewrite_DB | 频道名称 | Master_TLS_Version | Last_IO_Error | Last_SQL_Errno | Last_SQL_Error | Replicate_Ignore_Server_Ids | Master_Server_Id | Master_UUID | Master_Info_File | SQL_延迟 | SQL_Remaining_Delay | Slave_SQL_Running_State | Master_Retry_Count | Master_Bind | Last_IO_Error_Timestamp | Last_SQL_Error_Timestamp | Master_SSL_Crl | Master_SSL_Crlpath | Retrieved_Gtid_Set | Executed_Gtid_Set | Auto_Position | Replicate_Rewrite_DB | 频道名称 | Master_TLS_Version | Last_IO_Error | Last_SQL_Errno | Last_SQL_Error | Replicate_Ignore_Server_Ids | Master_Server_Id | Master_UUID | Master_Info_File | SQL_延迟 | SQL_Remaining_Delay | Slave_SQL_Running_State | Master_Retry_Count | Master_Bind | Last_IO_Error_Timestamp | Last_SQL_Error_Timestamp | Master_SSL_Crl | Master_SSL_Crlpath | Retrieved_Gtid_Set | Executed_Gtid_Set | Auto_Position | Replicate_Rewrite_DB | 频道名称 | Master_TLS_Version | | Replicate_Ignore_Server_Ids | Master_Server_Id | Master_UUID | Master_Info_File | SQL_延迟 | SQL_Remaining_Delay | Slave_SQL_Running_State | Master_Retry_Count | Master_Bind | Last_IO_Error_Timestamp | Last_SQL_Error_Timestamp | Master_SSL_Crl | Master_SSL_Crlpath | Retrieved_Gtid_Set | Executed_Gtid_Set | Auto_Position | Replicate_Rewrite_DB | 频道名称 | Master_TLS_Version | | Replicate_Ignore_Server_Ids | Master_Server_Id | Master_UUID | Master_Info_File | SQL_延迟 | SQL_Remaining_Delay | Slave_SQL_Running_State | Master_Retry_Count | Master_Bind | Last_IO_Error_Timestamp | Last_SQL_Error_Timestamp | Master_SSL_Crl | Master_SSL_Crlpath | Retrieved_Gtid_Set | Executed_Gtid_Set | Auto_Position | Replicate_Rewrite_DB | 频道名称 | Master_TLS_Version | Slave_SQL_Running_State | Master_Retry_Count | Master_Bind | Last_IO_Error_Timestamp | Last_SQL_Error_Timestamp | Master_SSL_Crl | Master_SSL_Crlpath | Retrieved_Gtid_Set | Executed_Gtid_Set | Auto_Position | Replicate_Rewrite_DB | 频道名称 | Master_TLS_Version | Slave_SQL_Running_State | Master_Retry_Count | Master_Bind | Last_IO_Error_Timestamp | Last_SQL_Error_Timestamp | Master_SSL_Crl | Master_SSL_Crlpath | Retrieved_Gtid_Set | Executed_Gtid_Set | Auto_Position | Replicate_Rewrite_DB | 频道名称 | Master_TLS_Version |
+---------------------------------+--------------- -+-------------+------------+---------------+---- --------------+---------------------+------------ ------------------+---------------+--------------- ---+-------------------+-------------------+--- ---------------+---------------------+------------ --------+------------------------+---------------- ---------+------------------------------------------+---------- --+-------------------------------------------------------- -------------------------------------------------- -------------------------------------------------- -------------------------------------------------- -------------------------------+--------------+--- ------------------+-----------------+------------- ----+----------------+---------------+------------ --------+--------------------+------------ +-----------------+-------------------+----------- -----+------------------------+---------------------------- --+---------------+---------------+-------------- -+------------------------------------------------ -------------------------------------------------- -------------------------------------------------- -------------------------------------------------- ------------------------------+-------------------- ----------+------------------+----- ------------------+------------------------------- ---------------------------+-----------+----------- -----------+-------------------------+------------ --------+-------------+-------------------------+- -------------------------+----------------+------- -------------+------------+-------------- ----+---------------+--------------+------ ----+--------------------+----+----------------+---------------------------- -------------------------------------------------- -------------------------------------------------- -------------------------------------------------- -------------------------------------------------- +-------------------------------------+--------------------+ ------------------------------+------------ ---------------------------------------------------------------+-- ---------+---------------------+----- -------+------------+------------+------- -----------+---------------------------+---- ------------+--------------------+---------------- ----+--------------------+---------------+--------- -------------+--------------+------------+----+----------------+---------------------------- -------------------------------------------------- -------------------------------------------------- -------------------------------------------------- -------------------------------------------------- +-------------------------------------+--------------------+ ------------------------------+------------ ---------------------------------------------------------------+-- ---------+---------------------+----- -------+--------------------+------------+------- -----------+---------------------------+---- ------------+--------------------+---------------- ----+--------------------+---------------+--------- -------------+--------------+------------+-------------------------------------------------- -----------------------------------------+--------- -------------+------------------+------------ -----------------------------+------------ -------------------------------------+-----------+ ---------------------+-------------------------+-- ------------------+--------------+----------------- --------+----------------------------------------+-------------- --+--------------------+--------------------+----- --------------+---------------+------------ ---+--------------+------------+-------------------------------------------------- -----------------------------------------+--------- -------------+------------------+------------ -----------------------------+------------ -------------------------------------+-----------+ ---------------------+-------------------------+-- ------------------+--------------+----------------- --------+----------------------------------------+-------------- --+--------------------+--------------------+----- --------------+---------------+------------ ---+--------------+------------+------------+-------------------------+----------- ---------------+----------------+---------------- ---+--------------------+--------------------+----- ----------+----------------------+--------------+- -------------------+------------+-------------------------+----------- ---------------+----------------+---------------- ---+--------------------+--------------------+----- ----------+----------------------+--------------+- -------------------+
| 等待主发送事件 | 192.168.1.133 | slave_user | 3306 | 60 | mysql-bin.000033 | 154 | iMac-de-MAVA-relay-bin.000002 | 320 | mysql-bin.000001 | 是 | 没有 | | | | | | | 第1396章 查询时出现错误“操作 CREATE USER 失败，因为 'fetchers'@'localhost''。默认数据库：''。查询：'CREATE USER 'fetchers'@'localhost' IDENTIFIED WITH 'mysql_native_password' AS '*A516E88562C2C5E0D1EA9875F2910B36584C217A'' | 0 | 第1166章 5614936 | 无 | | 0 | 没有 | | | | | | 空 | 没有 | 0 | | 第1396章 查询时出现错误“操作 CREATE USER 失败，因为 'fetchers'@'localhost''。默认数据库：''。查询：'CREATE USER 'fetchers'@'localhost' IDENTIFIED WITH 'mysql_native_password' AS '*A516E88562C2C5E0D1EA9875F2910B36584C217A'' | | 1 | aae7157c-8bf4-11e6-a79a-4ccc6a4f12cd | /usr/local/mysql-5.7.15-osx10.11-x86_64/data/master. 信息 | 0 | 空 | | 86400 | | | 161007 13:37:26 | | | | | 0 | | | |
+---------------------------------+--------------- -+-------------+------------+---------------+---- --------------+---------------------+------------ ------------------+---------------+--------------- ---+-------------------+-------------------+--- ---------------+---------------------+------------ --------+------------------------+---------------- ---------+------------------------------------------+---------- --+-------------------------------------------------------- -------------------------------------------------- -------------------------------------------------- -------------------------------------------------- -------------------------------+--------------+--- ------------------+-----------------+------------- ----+----------------+---------------+------------ --------+--------------------+------------ +-----------------+-------------------+----------- -----+------------------------+---------------------------- --+---------------+---------------+-------------- -+------------------------------------------------ -------------------------------------------------- -------------------------------------------------- -------------------------------------------------- ------------------------------+-------------------- ----------+------------------+----- ------------------+------------------------------- ---------------------------+-----------+----------- -----------+-------------------------+------------ --------+-------------+-------------------------+- -------------------------+----------------+------- -------------+------------+-------------- ----+---------------+--------------+------ ----+--------------------+----+----------------+---------------------------- -------------------------------------------------- -------------------------------------------------- -------------------------------------------------- -------------------------------------------------- +-------------------------------------+--------------------+ ------------------------------+------------ ---------------------------------------------------------------+-- ---------+---------------------+----- -------+------------+------------+------- -----------+---------------------------+---- ------------+--------------------+---------------- ----+--------------------+---------------+--------- -------------+--------------+------------+----+----------------+---------------------------- -------------------------------------------------- -------------------------------------------------- -------------------------------------------------- -------------------------------------------------- +-------------------------------------+--------------------+ ------------------------------+------------ ---------------------------------------------------------------+-- ---------+---------------------+----- -------+--------------------+------------+------- -----------+---------------------------+---- ------------+--------------------+---------------- ----+--------------------+---------------+--------- -------------+--------------+------------+-------------------------------------------------- -----------------------------------------+--------- -------------+------------------+------------ -----------------------------+------------ -------------------------------------+-----------+ ---------------------+-------------------------+-- ------------------+--------------+----------------- --------+----------------------------------------+-------------- --+--------------------+--------------------+----- --------------+---------------+------------ ---+--------------+------------+-------------------------------------------------- -----------------------------------------+--------- -------------+------------------+------------ -----------------------------+------------ -------------------------------------+-----------+ ---------------------+-------------------------+-- ------------------+--------------+----------------- --------+----------------------------------------+-------------- --+--------------------+--------------------+----- --------------+---------------+------------ ---+--------------+------------+------------+-------------------------+----------- ---------------+----------------+---------------- ---+--------------------+--------------------+----- ----------+----------------------+--------------+- -------------------+------------+-------------------------+----------- ---------------+----------------+---------------- ---+--------------------+--------------------+----- ----------+----------------------+--------------+- -------------------+
1 行（0.00 秒）

问题是我只需要同步数据库中的一些表，但似乎尝试同步所有表。

如何避免复制继续工作的错误？

mysql> 显示从属状态\G; **************************** 1. 行 ******************** ******* Slave_IO_State：等待主机发送事件 Master_Host：192.168.1.133 主用户：slave_user 主端口：3306 Connect_Retry: 60 Master_Log_File: mysql-bin.000034 Read_Master_Log_Pos：68326 Relay_Log_File: iMac-de-MAVA-relay-bin.000002 Relay_Log_Pos：320 Relay_Master_Log_File: mysql-bin.000001 Slave_IO_Running: 是 Slave_SQL_Running：否 Replicate_Do_DB： Replicate_Ignore_DB： Replicate_Do_Table： Replicate_Ignore_Table： Replicate_Wild_Do_Table： Replicate_Wild_Ignore_Table： Last_Errno: 1396 Last_Error: 错误 'Operation CREATE USER failed for 'fetchers'@'localhost'' 查询。默认数据库：''。查询：'CREATE USER 'fetchers'@'localhost' IDENTIFIED WITH 'mysql_native_password' AS '*A516E88562C2C5E0D1EA9875F2910B36584C217A'' 跳过计数器：0 Exec_Master_Log_Pos：1166 Relay_Log_Space：5812332 直到_条件：无直到_日志_文件：直到_Log_Pos：0 Master_SSL_Allowed：否 Master_SSL_CA_File: Master_SSL_CA_Path: Master_SSL_Cert: Master_SSL_Cipher: Master_SSL_Key: Seconds_Behind_Master: NULL Master_SSL_Verify_Server_Cert：否 Last_IO_Errno: 0 Last_IO_Error: Last_SQL_Errno: 1396 Last_SQL_Error: 错误 'Operation CREATE USER failed for 'fetchers'@'localhost'' 查询。默认数据库：''。查询：'CREATE USER 'fetchers'@'localhost' IDENTIFIED WITH 'mysql_native_password' AS '*A516E88562C2C5E0D1EA9875F2910B36584C217A'' Replicate_Ignore_Server_Ids： Master_Server_Id：1 Master_UUID：aae7157c-8bf4-11e6-a79a-4ccc6a4f12cd Master_Info_File: /usr/local/mysql-5.7.15-osx10.11-x86_64/data/master.info SQL_延迟：0 SQL_Remaining_Delay: NULL Slave_SQL_Running_State: Master_Retry_Count：86400 Master

Answer 1

Rol*_*DBA 7

您发布的奴隶状态显示

查询时出现错误“‘fetchers’@‘localhost’的操作创建用户失败”。默认数据库：''。查询：'创建用户'fetchers'@'localhost'，识别为'mysql_native_password' AS '*A516E88562C2C5E0D1EA9875F2910B36584C217A''

建议#1

有些人建议运行 FLUSH PRIVILEGES。所以，就你而言，那就是

STOP SLAVE;
FLUSH PRIVILEGES;
START SLAVE;

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如果错误仍然出现在从站上，您将必须运行

STOP SLAVE;
DROP USER 'fetchers'@'localhost'
START SLAVE;

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在奴隶身上。

MySQL 5.7 可能已在 Master 上生成警告并将其传递给 Slave。MySQL 5.7 的 GRANT 操作变得更加严格。以后请尝试先创建用户，再使用ALTER USER设置密码。

建议#2

用户'fetchers'@'localhost'必须已经存在于 Slave 上

如果 MySQL 5.7 在主从上，您应该运行

CREATE USER IF NOT EXISTS 'fetchers'@'localhost'

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如果已经存在，则不会执行任何操作'fetchers'@'localhost'。

复制将从那里开始。

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