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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。 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。
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
vice DATAMOVE failed, cause by: Unable to connect to DBMS: url=jdbc:mysql://*** user=root, Caused by: Communications link failure The last packet
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“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
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
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 with PK applied failed in table %s, Deadlock found when trying
background process is unavailable” 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: The background process is unavailable. Maybe it has
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 data of table=`%s`.`%s` failed: The MySQL server is running with the --super-read-only
备份迁移失败，提示备份校验文件失败 操作场景 客户创建备份迁移任务报错：Failed to obtain the restoration file information。 问题分析 备份文件损坏或者不完整，备份文件校验失败。 解决方案 请选择完整的全量备份文件，再重新进行迁移。
replication stream failed, the source database may have a long transaction” 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 LOGMANAGER failed, cause by: Initialize
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
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
对比任务报错，关键词“失败报错：service SDV failed! cause by: the size of records in one shard[ *** ] of target database, exceeds the max size 200000” 操作场景
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 data of table=`%s`.`%s` failed: Error writing file '***' (errno: 28 - No
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
全量阶段失败报错，关键字“Unknown collation: 'utf8mb4_0900_ai_ci'” 场景描述 全量迁移或同步期间DRS任务报错，日志提示信息：retry structures failed events=the fail structures are [type=table_structure
statement” 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: insert %s failed:tid: %s, sqno: %s, ERROR: %s' PL/pgSQL function %s line
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 are [type=index, index=0, schema_name=fossbot,
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