garage/Cargo.toml

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TOML
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[workspace]
resolver = "2"
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members = [
Abstract database behind generic interface and implement alternative drivers (#322) - [x] Design interface - [x] Implement Sled backend - [x] Re-implement the SledCountedTree hack ~~on Sled backend~~ on all backends (i.e. over the abstraction) - [x] Convert Garage code to use generic interface - [x] Proof-read converted Garage code - [ ] Test everything well - [x] Implement sqlite backend - [x] Implement LMDB backend - [ ] (Implement Persy backend?) - [ ] (Implement other backends? (like RocksDB, ...)) - [x] Implement backend choice in config file and garage server module - [x] Add CLI for converting between DB formats - Exploit the new interface to put more things in transactions - [x] `.updated()` trigger on Garage tables Fix #284 **Bugs** - [x] When exporting sqlite, trees iterate empty?? - [x] LMDB doesn't work **Known issues for various back-ends** - Sled: - Eats all my RAM and also all my disk space - `.len()` has to traverse the whole table - Is actually quite slow on some operations - And is actually pretty bad code... - Sqlite: - Requires a lock to be taken on all operations. The lock is also taken when iterating on a table with `.iter()`, and the lock isn't released until the iterator is dropped. This means that we must be VERY carefull to not do anything else inside a `.iter()` loop or else we will have a deadlock! Most such cases have been eliminated from the Garage codebase, but there might still be some that remain. If your Garage-over-Sqlite seems to hang/freeze, this is the reason. - (adapter uses a bunch of unsafe code) - Heed (LMDB): - Not suited for 32-bit machines as it has to map the whole DB in memory. - (adpater uses a tiny bit of unsafe code) **My recommendation:** avoid 32-bit machines and use LMDB as much as possible. **Converting databases** is actually quite easy. For example from Sled to LMDB: ```bash cd src/db cargo run --features cli --bin convert -- -i path/to/garage/meta/db -a sled -o path/to/garage/meta/db.lmdb -b lmdb ``` Then, just add this to your `config.toml`: ```toml db_engine = "lmdb" ``` Co-authored-by: Alex Auvolat <alex@adnab.me> Reviewed-on: https://git.deuxfleurs.fr/Deuxfleurs/garage/pulls/322 Co-authored-by: Alex <alex@adnab.me> Co-committed-by: Alex <alex@adnab.me>
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"src/db",
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"src/util",
"src/rpc",
"src/table",
"src/block",
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"src/model",
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"src/api",
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"src/web",
"src/garage",
"src/k2v-client",
"src/format-table",
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]
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default-members = ["src/garage"]
[workspace.dependencies]
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format_table = { version = "0.1.1", path = "src/format-table" }
garage_api = { version = "0.8.2", path = "src/api" }
garage_block = { version = "0.8.2", path = "src/block" }
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garage_db = { version = "0.8.2", path = "src/db", default-features = false }
garage_model = { version = "0.8.2", path = "src/model", default-features = false }
garage_rpc = { version = "0.8.2", path = "src/rpc" }
garage_table = { version = "0.8.2", path = "src/table" }
garage_util = { version = "0.8.2", path = "src/util" }
garage_web = { version = "0.8.2", path = "src/web" }
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k2v-client = { version = "0.0.4", path = "src/k2v-client" }
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[profile.dev]
lto = "off"
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[profile.release]
debug = true