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灾备阶段失败报错，关键词“A dml without pk write target db fail” 场景描述 MySQL为源灾备任务报错，日志界面提示：A dml without pk write target db fail。
增量阶段失败报错，关键词“Failed to read file header from” 场景描述 增量迁移或同步期间DRS任务报错，日志提示信息：service INCREMENT failed, cause by: Failed to read file header from
增量阶段失败报错，关键词“Data truncation: Data too long for column” 场景描述 增量迁移或同步期间DRS任务报错，日志提示信息：service INCREMENT failed, cause by: Data truncation: Data
全量阶段失败报错，关键词“extract table structure failed!”
增量同步失败报错，关键词“remaining connection slots are reserved” 场景描述 增量同步期间DRS任务报错，同步日志界面提示：service INCREMENT failed, cause by: Unable to connect to DBMS
全量或增量阶段失败报错，关键词“load table: *** failed” 场景描述 全量或增量阶段，DRS迁移或同步任务报错，日志提示信息：service LOGMANAGER failed, cause by: load table: `%s`.
全量阶段失败报错，关键词“CANNOT UPDATE USER WITH NULL PASSWORD” 场景描述 全量迁移或同步期间DRS任务报错，日志提示信息：service DATAMOVE failed, cause by: retry structures failed events
增量阶段失败报错，关键词“Operation not allowed when innodb_force_recovery > 0” 场景描述 增量迁移或同步期间DRS任务报错，日志提示信息：service INCREMENT failed, cause by: write table
全量或增量阶段失败报错，关键词“service *** failed, cause by: Unable to connect to DBMS: ***” 场景描述 全量或增量同步期间DRS任务报错，同步日志界面提示：service *** failed, cause by: Unable
全量或增量阶段失败报错, 关键词“The binlog fetch connection may be interrupted” 场景描述 全量或增量阶段，DRS迁移或同步任务报错，日志界面提示信息：The binlog fetch connection may be interrupted
任务启动失败报错，关键词“Initialize logical replication stream failed, the source database may have a long transaction: ****.”
全量或增量阶段失败报错，关键词“temporary file size exceeds temp_file_limit” 场景描述 全量或增量同步期间DRS任务报错，同步日志界面提示：retry structures failed events=the fail structures
全量或增量阶段失败报错，关键词“binlog parse fail, data dictionary may be not complete!”
全量或增量阶段失败报错，关键词“Can not read response from server” 场景描述 全量或增量阶段，DRS迁移或同步任务报错，日志提示信息：service LOGMANAGER failed, cause by: Can not read response
全量或增量阶段失败报错，关键词“database log download failed” 场景描述 全量或增量阶段，DRS迁移或同步任务报错，日志提示信息：service LOGMANAGER failed, cause by: database log download failed
增量阶段失败报错，关键词“Can't DROP ***; check that column/key exists” 场景描述 增量迁移或同步期间DRS任务报错，日志提示信息：service INCREMENT failed, cause by: Can't DROP '%s';
增量同步失败报错，关键词“timeout when get next file log, maybe has been deleted, please check it.”
全量阶段失败报错，关键词“Temporary file write failure.”
全量阶段失败报错，关键词“Access denied for user *** to database ***” 场景描述 全量迁移或同步期间DRS任务报错，日志提示信息：service DATAMOVE failed, cause by: retry structures failed
全量阶段失败报错，关键词“error when split table shard occur!”
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