定位oplog全表扫描

MongoDB 定位 oplog 必须全表扫描吗？

这个过程通常是根据上次拉取的位点构建一个 cursor 不断迭代 cursor 获取新的 oplog 那么问题来了，由于 MongoDB oplog 本身没有索引的，每次定位 oplog 的起点都需要进行全表扫描么？oplog 的实现细节 {"ts":Timestamp(1563950955,2),"t...

最佳实践|MongoDB 定位 oplog 必须全表扫描吗？

这个过程通常是根据上次拉取的位点构建一个cursor 不断迭代 cursor 获取新的 oplog 那么问题来了，由于 MongoDB oplog 本身没有索引的，每次定位 oplog 的起点都需要进行全表扫描么？oplog 的实现细节 {"ts":Timestamp(1563950955,2),"t":...

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