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sparkey
Simple constant key/value storage library, for read-heavy systems with infrequent large bulk inserts.
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Nutrient
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Hey, this is effectively the same idea I'm going to implement!
https://github.com/civboot/civboot/blob/main/blog/0012-dev-l...
Mine will be slightly more than key/value. My index file will support indexes of arbitrary record fields as well as the index of all items in loam, but it's effectively the same idea.
Note you could keep a live instance running to handle live writes, which uses an in-memory hash for recent writes and updates the hash index as-needed. Because the index can be rebuilt from the data there is no concern about data loss.
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At Airbnb we implementing translation serving on top of Sparkey; part of our Ruby system open sourced here: https://github.com/airbnb/hammerspace
The way the system worked (iirc it’s been a while): we’d periodically dump all the translation strings into a sparkey S3 path, and use a Kubernetes daemonset to fetch the sparkey file to each host in the cluster. Finally application pods written in any language use a host volume to read translation strings from the local sparkey file. Certainly overkill for smaller apps but with a bunch of services and hundreds of thousands of translation strings, the out of band updates are well worth it and keep the app container small.
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Now when I'm at an actual computer, I see that it was implemented, at least in the Java version. Removing that made for a 30% speed increase: https://github.com/spotify/sparkey-java/pull/65
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CodeRabbit
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