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Building rqlite 9.0: Cutting disk usage by half

, open-source, distributed relational database written in Go, that uses SQLite as its storage engine. Development for 9.0 has started, with the main goal of reducing disk usage by approximately 50%.

The key strategy for reducing disk usage involves removing the need to store the snapshotted copy of the working SQLite database in the Raft system. It is this key insight that allows us to use the working SQLite file to serve reads and writes, as well as contain the point-in-time state that the Raft Snapshot store requires. Currently, at restart, rqlite has to restore the working SQLite database file from the copy in Raft Snapshot Store.

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