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A comment on Umbra: an ACID-compliant database built for in-memory analytics speed. Parent comment

Re:Umbra: an ACID-compliant database built for in-memory ana... by heipei on Monday January 27, 2020 @01:40AM (#22157279)
It's not relational but key-value based, but I do need things like "update" operations, hence I can't use a simple blob store.
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Re:Umbra: an ACID-compliant database built for in-memory ana... by e12e on Monday January 27, 2020 @03:48AM (#22157797)
Thank you for taking the time to answer! IMNHO key-value can be a great fit for relational storage. But I'm still curious about what(why) and how much... Servers can grow pretty big these days.

And you say update... Across keys, or some keys depend on others? Otherwise it sounds like a perfect fit for sharding with reduced constraints/requirements.

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