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* First adaptation to WIP netapp with streaming bodyAlex Auvolat2022-07-291-3/+2
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* Abstract database behind generic interface and implement alternative drivers ↵Alex2022-06-081-2/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (#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>
* First implementation of K2V (#293)Alex2022-05-101-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | **Specification:** View spec at [this URL](https://git.deuxfleurs.fr/Deuxfleurs/garage/src/branch/k2v/doc/drafts/k2v-spec.md) - [x] Specify the structure of K2V triples - [x] Specify the DVVS format used for causality detection - [x] Specify the K2V index (just a counter of number of values per partition key) - [x] Specify single-item endpoints: ReadItem, InsertItem, DeleteItem - [x] Specify index endpoint: ReadIndex - [x] Specify multi-item endpoints: InsertBatch, ReadBatch, DeleteBatch - [x] Move to JSON objects instead of tuples - [x] Specify endpoints for polling for updates on single values (PollItem) **Implementation:** - [x] Table for K2V items, causal contexts - [x] Indexing mechanism and table for K2V index - [x] Make API handlers a bit more generic - [x] K2V API endpoint - [x] K2V API router - [x] ReadItem - [x] InsertItem - [x] DeleteItem - [x] PollItem - [x] ReadIndex - [x] InsertBatch - [x] ReadBatch - [x] DeleteBatch **Testing:** - [x] Just a simple Python script that does some requests to check visually that things are going right (does not contain parsing of results or assertions on returned values) - [x] Actual tests: - [x] Adapt testing framework - [x] Simple test with InsertItem + ReadItem - [x] Test with several Insert/Read/DeleteItem + ReadIndex - [x] Test all combinations of return formats for ReadItem - [x] Test with ReadBatch, InsertBatch, DeleteBatch - [x] Test with PollItem - [x] Test error codes - [ ] Fix most broken stuff - [x] test PollItem broken randomly - [x] when invalid causality tokens are given, errors should be 4xx not 5xx **Improvements:** - [x] Descending range queries - [x] Specify - [x] Implement - [x] Add test - [x] Batch updates to index counter - [x] Put K2V behind `k2v` feature flag Co-authored-by: Alex Auvolat <alex@adnab.me> Reviewed-on: https://git.deuxfleurs.fr/Deuxfleurs/garage/pulls/293 Co-authored-by: Alex <alex@adnab.me> Co-committed-by: Alex <alex@adnab.me>
* Update to netapp 0.4.2 (a tiny fix)Alex Auvolat2022-04-071-1/+1
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* Move block manager to separate moduleAlex Auvolat2022-03-231-0/+1
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* Update netapp to v0.4.1update-netappAlex Auvolat2022-03-151-1/+1
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* Bump version to 0.7 because of incompatible NetappAlex Auvolat2022-03-141-4/+4
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* Update to Netapp 0.4 which supports distributed tracingAlex Auvolat2022-03-141-1/+2
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* Add tracing integration with opentelemetryAlex Auvolat2022-03-141-1/+1
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* Add many metrics in table/ and rpc/Alex Auvolat2022-03-141-0/+1
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* Some movement of helper code and refactoring of error handlingAlex Auvolat2022-01-041-0/+1
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* New buckets for 0.6.0: migration code and build filesAlex Auvolat2022-01-041-1/+1
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* New model for bucketsAlex Auvolat2022-01-041-4/+5
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* Add compression using zstd (#173)trinity-1686a2021-12-151-0/+1
| | | | | | | | | fix #27 Co-authored-by: Trinity Pointard <trinity.pointard@gmail.com> Reviewed-on: https://git.deuxfleurs.fr/Deuxfleurs/garage/pulls/173 Co-authored-by: trinity-1686a <trinity.pointard@gmail.com> Co-committed-by: trinity-1686a <trinity.pointard@gmail.com>
* Improve how node roles are assigned in Garagev0.5-beta1Alex Auvolat2021-11-161-4/+5
| | | | | | | | | | | | | | | | | - change the terminology: the network configuration becomes the role table, the configuration of a nodes becomes a node's role - the modification of the role table takes place in two steps: first, changes are staged in a CRDT data structure. Then, once the user is happy with the changes, they can commit them all at once (or revert them). - update documentation - fix tests - implement smarter partition assignation algorithm This patch breaks the format of the network configuration: when migrating, the cluster will be in a state where no roles are assigned. All roles must be re-assigned and commited at once. This migration should not pose an issue.
* Use published netapp crate instead of git repoAlex Auvolat2021-10-261-1/+2
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* First port of Garage to NetappAlex Auvolat2021-10-221-4/+7
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* Prepare for v0.3.0 and add migration path from v0.2.1.xv0.3.0Alex Auvolat2021-05-281-4/+4
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* update to v0.2.1v0.2.1release-v0.2.1Alex Auvolat2021-03-191-4/+4
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* Update Cargo.toml files with AGPL license infov0.2.0Alex Auvolat2021-03-181-4/+4
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* Prepare for release 0.2Alex Auvolat2021-03-181-4/+4
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* Update dependenciesAlex Auvolat2021-03-161-7/+4
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* WIP migrate to tokio 1Alex Auvolat2021-03-151-2/+1
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* Remove migration paths from 0.1 branchAlex Auvolat2021-03-101-1/+0
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* Update sled & try to debug deadlock (but its in sled...)Alex Auvolat2021-02-231-1/+1
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* Use 0.1.0b instead of 0.1.0 (for compatibility with new Error type)Alex Auvolat2021-01-151-1/+1
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* Bump everything to 0.1.1Alex Auvolat2021-01-151-2/+2
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* Add support for model migrationsAlex Auvolat2020-07-081-2/+3
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* Add versions to dependencies0.1.0Alex Auvolat2020-07-071-3/+3
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* Add license, description and repository to .toml filesAlex Auvolat2020-07-071-0/+3
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* Rename garage_core to garage_modelAlex Auvolat2020-07-071-0/+34
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