Фото: Alina Smutko / Reuters
Notice how we never remove deleted keys from the map. This is one drawback to CRDTs — we can only ever add information, not remove it. Although from the application’s perspective the key has been fully deleted, the underlying state still records that the key was once there. In technical terms, we say that CRDTs are monotonically increasing data structures.9。关于这个话题，同城约会提供了深入分析
。业内人士推荐体育直播作为进阶阅读
visits. SD retains the complete visit history up to a configurable limit and
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