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[数据库] 某些数据库的 Raft 感觉不如 PostgreSQL 的 Citus 好

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Citus 总有一种简单舒服的感觉,最近在调研各种分布式的图数据库,比如 nebula, dgraph 都适用了 Raft 共识算法来实现数据分布式,但是怎么感觉特臃肿

比如 nebula 我插入了 1000w 个点和边,空间就占用了 600GB 了,而且是没有任何属性的点和边。 反观我 PostgreSQL+Citus ,不过区区 50GB 左右的空间占用而已,而且数据量更多

Citus 和 Nebula 的 replica factor 都是 1

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