Jian Zhang

Is there a java implementation?

> What do you need this for ? Can you brief me about your project ? > On Tue 28. Jun 2022 at 12:03, Jian Zhang ***@***.***> wrote: Is there...

> We have an application where we store lots of URIs and map them to integer IDs. Since almost all URIs start with the same prefix, we decided to use...

> I'm not sure I understand the question. NuDB only works with SSD drives, and the performance is near the theroetical maximum for what is possible with a single write...

> > Do you directly use the native linear hash expansion algorithm? > > No. The principle is the same, but since NuDB is block/bucket based, every expansion of the...

Thank you very much for your patient answer. At present, I want to design a kv database, the key is a string, and the value is a list, which is...

> 索引不合理具体指什么？

> > > > > > > > > 索引不合理具体指什么？ > > 索引term没有做很好的压缩主要依赖底层的kv, 只存了inverted index，导致一些场景的grouping有一定性能 我这里想咨询一下，你们这个tagkey和tagvalue到u32_id的是怎么生成的？还有映射关系是怎么维护的？

我理解中，你们目前倒排索引这块是lsm机制？是出于什么考虑？

> > > > > > > > > > > > > > > > > 索引不合理具体指什么？ > > > > > > > > > 索引term没有做很好的压缩主要依赖底层的kv, 只存了inverted index，导致一些场景的grouping有一定性能...