108 commits

Author	SHA1	Message	Date
Alex	5768bf3622	First implementation of K2V (#293) ... **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: Deuxfleurs/garage#293 Co-authored-by: Alex <alex@adnab.me> Co-committed-by: Alex <alex@adnab.me>	2022-05-10 13:16:57 +02:00
Alex Auvolat	cb5836d53c	Bring maximum exponential backoff time down from 16h to 1h	2022-04-07 11:49:29 +02:00
Alex Auvolat	913f7754bb	Add blocks in errored state to garage stats	2022-03-28 15:47:23 +02:00
Alex Auvolat	3dc9214172	Add lots of comments on how the resync queue works ... (I don't really want to change/refactor that code though)	2022-03-23 10:25:39 +01:00
Alex Auvolat	e480aaf338	Make background tranquility a configurable parameter	2022-03-23 10:25:19 +01:00
Alex Auvolat	8fd6745745	Move block RC code to separate rc.rs	2022-03-23 10:25:19 +01:00
Alex Auvolat	c3982a90b6	Move DataBlock out of manager.rs	2022-03-23 10:25:19 +01:00
Alex Auvolat	c1d9854d2c	Move block manager to separate module	2022-03-23 10:25:15 +01:00