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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 are [type=account, index=0, schema_name=mysql
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 database structure failed in source
场景描述 全量同步期间DRS任务报错，同步日志界面提示：service DATAMOVE failed, cause by: retry structures failed events=the fail structures are [type=table_structure, index=0
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`.`%s` failed 可能原因 全量数据迁移期间用户
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“extract table structure 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:extract table structure failed! Table is %s. message
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 %s.%s failed: record tid:%s,seqno:%s with PK applied failed in table %s.%s, The MySQL
全量阶段失败报错，关键词“failed to create new session” 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: com.continuent.tungsten.replicator
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, error code is %s
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 fail structures are [type=index
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 to connect to database
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。 可能原因 无主键表由于缺乏行的唯一性标志，在网络不稳定情况下，无主键表数据写入时与源数据库数据不一致。
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 unavailable. Maybe it has
ms while waiting for a server that matches com.mongodb.client.internal” 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, cause
session” 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 %s failed: current serverUUID not equals to this session 可能原因
全量或增量阶段失败报错，关键词“Communications link failure” 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 %s failed, cause by: Communications link failure The last packet sent
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 by: [reason]:Failed to connect to
全量或增量阶段失败报错，关键词“Extract db create sql 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: Extract db create sql failed, dbName = %s 可能原因
全量阶段失败报错，关键词“Lock wait timeout exceeded; try restarting transaction” 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: apply e
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