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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“Must seek before attempting to read next event” 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: Extract THL file
全量阶段失败报错，关键词“Failed to add the foreign key constraint '***' to system tables” 场景描述 全量迁移或同步期间，日志界面提示信息：Failed to add the foreign key constraint
增量阶段失败报错，关键词“without PK execute failed” 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: record tid:%s,seqno:%s without PK execute
全量阶段失败报错，关键词“Temporary file write failure.” 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=the
任务启动失败报错，关键词“Initialize logical replication stream failed, the source database may have a long transaction: ****.” 场景描述 任务启动失败报错，同步日志界面提示：service
全量或增量阶段失败报错，关键词“binlog is not existed” 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: binlog is not existed 可能原因 源库bi
增量同步失败报错，关键词“The replication slot does not exist and the task is not started for the first time.” 场景描述 增量同步期间DRS任务报错，日志提示信息：service LOGMANAGER
增量同步失败报错，关键词“The replication slot does not exist and the task is not started for the first time.” 场景描述 增量同步期间DRS任务报错，日志提示信息：service LOGMANAGER
任务启动失败报错，关键词“Initialize logical replication stream failed, the source database may have a long transaction: ****.” 场景描述 任务启动失败报错，同步日志界面提示：service
全量或增量阶段失败报错，关键词“load database structure failed in source database” 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
全量阶段失败报错，关键词“retry structures failed events”“Table *** doesn't exist” 场景描述 全量迁移期间DRS任务报错，日志提示信息：service DATAMOVE failed, cause by: retry structures
增量阶段失败报错，关键词“Lock wait timeout exceeded” 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: Lock wait timeout exceeded; try restarting
增量同步失败报错，关键词“write table *** failed: null” 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: write table *** failed: null 可能原因
全量阶段失败报错，关键词“Unknown 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 events=the fail structures
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:
全量阶段失败报错，关键词“read table=*** failed” 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: read table=`%s`.`%s` failed。 可能原因 源库性能不足或网络不稳定导致从源库读取表数据失败。
全量迁移失败报错，关键词“Timed out after 60000 ms while waiting to connect” 场景描述 MongoDB->DDS实时迁移场景，全量迁移报错，日志提示信息：service DATAMOVE failed, cause by: [reason]:Failed
全量阶段失败报错，关键词“Too many keys specified; max 64 keys allowed” 场景描述 全量迁移或同步期间，日志界面提示信息：service DATAMOVE failed, cause by: retry structures failed
增量迁移失败报错，关键词“Command failed with error *** (***):***. The full response is {***}” 场景描述 MongoDB->DDS实时迁移场景，增量迁移报错，日志提示信息：service INCREMENT failed
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