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Editorial Team
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Asked: 2026-05-14T19:13:36+00:00

I’m trying to build small web-system (url shortcutting) using nonsql Cassandra DB, the problem

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I’m trying to build small web-system (url shortcutting) using nonsql Cassandra DB, the problem I stack is id auto generation.

Did someone already stack with this problem?

Thanks.

P.S. UUID not works for me, I do need to use ALL numbers from 0 to Long.MAX_VALUE (java). so I do need something that exactly works like sql sequence

UPDATED:

The reason why I’m not ok with GUID ids is inside of scope of my application.

My app has url shortcutting part, and I do need to make url as short as possible. So I follow next approach: I’m taking numbers starting from 0 and convert it base64 string. So in result I have url like mysite.com/QA (where QA is base 64 string).

This is was very easy to implement using SQL DB, I just took auto incremented ID, convert it to URL and was 100-percents sure, that URL is unique.

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1 Answer

  1. Editorial Team

    Autoincrement IDs inherently don’t scale well as they need a single source to generate the numbers. This is why shardable/replicatable databases such as MongoDB use longer, GUID-like identifiers for objects. Why do you need LONG values so badly?

    You might be able to do it using atomic increments, retaining the old value, but I’m not sure. This would be limited to single server setups only.

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