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全量阶段失败报错，关键词“Failed to add the foreign key constraint '***' to system tables” - 数据复制服务 DRS
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
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全量或增量阶段失败报错，关键词“database log download failed” - 数据复制服务 DRS
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
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全量阶段失败报错，关键词“Temporary file write failure.” - 数据复制服务 DRS
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
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任务启动失败报错，关键词“Initialize logical replication stream failed, the source database may have a long transaction: ****.” - 数据复制服务 DRS
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
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任务启动失败报错，关键词“Initialize logical replication stream failed, the source database may have a long transaction: ****.” - 数据复制服务 DRS
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
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全量阶段失败报错，关键词“retry structures failed events”“Table *** doesn't exist” - 数据复制服务 DRS
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
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增量阶段失败报错，关键词“Must seek before attempting to read next event” - 数据复制服务 DRS
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
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增量阶段失败报错，关键词“without PK execute failed” - 数据复制服务 DRS
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
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增量阶段失败报错，关键词“Lock wait timeout exceeded” - 数据复制服务 DRS
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
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增量迁移失败报错，关键词“Command failed with error *** (***):***. The full response is {***}” - 数据复制服务 DRS
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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增量同步失败报错，关键词“dn - 数据复制服务 DRS
增量同步失败报错，关键词“dn_***: column *** contains null values” 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: table %s execute the ddl
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增量同步失败报错，关键词“write table *** failed: null” - 数据复制服务 DRS
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
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全量或增量阶段失败报错，关键词“load database structure failed in source database” - 数据复制服务 DRS
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
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全量迁移失败报错，关键词“Timed out after 60000 ms while waiting to connect” - 数据复制服务 DRS
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
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全量阶段失败报错，关键词“The background process is unavailable” - 数据复制服务 DRS
全量阶段失败报错，关键词“The background process is unavailable” 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: The background process is
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全量或增量迁移失败报错，关键词“Timed out after 60000 ms while waiting to connect” - 数据复制服务 DRS
全量或增量迁移失败报错，关键词“Timed out after 60000 ms while waiting to connect” 场景描述 MongoDB->DDS实时迁移场景，全量或增量迁移报错，日志提示信息：service LOGMANAGER failed, cause
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增量同步失败报错，关键词“remaining connection slots are reserved” - 数据复制服务 DRS
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:
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全量阶段失败报错，关键词“read table=*** failed” - 数据复制服务 DRS
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。
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全量或增量阶段失败报错，关键词“memory required is *** MB, maintenance - 数据复制服务 DRS
全量或增量阶段失败报错，关键词“memory required is *** MB, maintenance_work_mem is *** MB” 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
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全量迁移失败报错，关键词“The background process is unavailable. Maybe it has been killed manually or by the operating system. Please restart - 数据复制服务 DRS
if possible or wait for restarting by itself within 5 minutes.” 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: The background
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