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* block manager: skeleton for multi-hdd supportAlex Auvolat2023-09-061-8/+21
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* Make fsync an option for meta and dataAlex Auvolat2023-06-091-13/+22
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* block/manager.rs: In is_block_compressed - check which compression_levelJonathan Davies2023-05-091-5/+25
| | | | | is configured on a node and check for raw block first if compression is disabled (to help reduce syscalls during a scrub).
* block/manager.rs: Set defaults for scrub_persister.Jonathan Davies2023-03-091-0/+1
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* block/manager.rs: Display scrub-next-run.Jonathan Davies2023-03-061-0/+3
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* block/metrics.rs: Added compression_level metric.Jonathan Davies2023-01-101-2/+6
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* Merge pull request 'PutObject: better cleanup when request is interrupted in ↵Alex2023-01-041-4/+32
|\ | | | | | | | | | | the middle' (#462) from interrupted-cleanup into main Reviewed-on: https://git.deuxfleurs.fr/Deuxfleurs/garage/pulls/462
| * When saving block, delete .tmp file if we could not completeinterrupted-cleanupAlex Auvolat2023-01-031-4/+32
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* | Uniform framework for bg variable managementAlex Auvolat2023-01-041-2/+29
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* Refactor background runner and get rid of job workerAlex Auvolat2022-12-141-5/+4
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* Spawn all background workers in a separate stepAlex Auvolat2022-12-141-12/+19
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* Add block.rc_size, table.size and table.merkle_tree_size metricsAlex Auvolat2022-12-131-1/+2
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* cli: prettier table in garage statsAlex Auvolat2022-12-131-0/+5
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* Implement `block list-errors` and `block info`Alex Auvolat2022-12-131-0/+34
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* RPC performance changesAlex Auvolat2022-09-191-9/+9
| | | | | | - configurable ping timeout - single, much higher, configurable RPC timeout - no more concurrency semaphore
* improvements in block managerAlex Auvolat2022-09-121-13/+16
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* Merge branch 'lx-perf-improvements' into netapp-stream-bodyAlex Auvolat2022-09-061-514/+53
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| * Merge branch 'main' into lx-perf-improvementsAlex Auvolat2022-09-051-505/+57
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| | * Ability to have up to 4 concurrently working resync workersAlex Auvolat2022-09-021-7/+5
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| | * Make BlockManagerLocked fully private againAlex Auvolat2022-09-021-13/+22
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| | * block manager: refactor: split resync into separate fileAlex Auvolat2022-09-021-550/+48
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| | * Ability to dynamically set resync tranquilityAlex Auvolat2022-09-021-11/+51
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* | | Reenable node orderingAlex Auvolat2022-09-061-6/+4
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* | | Apply PRIO_SECONDARY to block data transfersAlex Auvolat2022-09-011-3/+3
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* | | Less strict timeoutsAlex Auvolat2022-09-011-2/+6
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* | | Update to Netapp with OrderTag support and exploit OrderTagsAlex Auvolat2022-09-011-16/+39
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* | | Fix bytes_read counterAlex Auvolat2022-08-311-4/+9
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* | | Factor out node request order selection logic & use in managerAlex Auvolat2022-07-291-0/+2
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* | | Use streaming in block managerAlex Auvolat2022-07-291-55/+194
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* | | First adaptation to WIP netapp with streaming bodyAlex Auvolat2022-07-291-10/+9
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* | Performance improvements:Alex Auvolat2022-07-291-12/+15
| | | | | | | | | | - reduce contention on mutation_lock by having 256 of them - better lmdb defaults
* | Compute hashes on dedicated threadsAlex Auvolat2022-07-291-2/+4
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* Background task manager (#332)Alex2022-07-081-211/+118
| | | | | | | | | | | | | | | | | | | | | - [x] New background worker trait - [x] Adapt all current workers to use new API - [x] Command to list currently running workers, and whether they are active, idle, or dead - [x] Error reporting - Optimizations - [x] Merkle updater: several items per iteration - [ ] Use `tokio::task::spawn_blocking` where appropriate so that CPU-intensive tasks don't block other things going on - scrub: - [x] have only one worker with a channel to start/pause/cancel - [x] automatic scrub - [x] ability to view and change tranquility from CLI - [x] persistence of a few info - [ ] Testing Co-authored-by: Alex Auvolat <alex@adnab.me> Reviewed-on: https://git.deuxfleurs.fr/Deuxfleurs/garage/pulls/332 Co-authored-by: Alex <alex@adnab.me> Co-committed-by: Alex <alex@adnab.me>
* Abstract database behind generic interface and implement alternative drivers ↵Alex2022-06-081-35/+92
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (#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)Alex2022-05-101-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | **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>
* Bring maximum exponential backoff time down from 16h to 1hAlex Auvolat2022-04-071-1/+5
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* Add blocks in errored state to `garage stats`Alex Auvolat2022-03-281-0/+5
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* Add lots of comments on how the resync queue worksAlex Auvolat2022-03-231-5/+96
| | | | (I don't really want to change/refactor that code though)
* Make background tranquility a configurable parameterAlex Auvolat2022-03-231-5/+6
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* Move block RC code to separate `rc.rs`Alex Auvolat2022-03-231-136/+15
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* Move DataBlock out of manager.rsAlex Auvolat2022-03-231-78/+4
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* Move block manager to separate moduleAlex Auvolat2022-03-231-0/+1091
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