在非结构化数据爆炸式增长的今天，MongoDB 凭借其灵活的文档模型与分布式集群架构成为游戏行业高并发场景的首选数据库。然而，在大文档场景，oplog 的备份和回档长期存在效率瓶颈——传统备份方式需全量拷贝数据目录，导致资源浪费。基于以上业务痛点 ...

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