Comments (4)
mars00772
commented on June 27, 2024
看起来在rocksdb上实现zset函数有本质困难，zanRedisDB直接限制zset 大小10240个members了。
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absolute8511
commented on June 27, 2024
没有限制member个数, 10240限制的是单个member的长度. 复杂度上面, zrange这种正向range比较快, 反向revrange这种会比较慢, 受限于底层db的反向迭代性能, 你可以测试下看看是否满足你的要求. 另外还是不建议这种特别多的member. 最好还是百万以内.
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mars00772
commented on June 27, 2024
看起来zrange，revrange操作还是O(N)实现（redis是O(logN)），对于这块优化，是否有计划或策略呢
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absolute8511
commented on June 27, 2024
深翻页用zrangebyscore, ZRANGEBYLEX会更快. zrange你那个测试用法相当于深翻页了. 你一个zset里面放这么多members, 几个不同的大zset加起来 redis内存也抗不住啊.
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Related Issues (20)
- Rocksdb DeleteRange v2 should be merged to improve read and scan with many delete ranges
- node replicator should be updated if meta is update from placedriver
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- Merge fix from etcd for preVote and purge files
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