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10 commits

Author SHA1 Message Date
Alex Auvolat
5b5ca63cf6
Poll cleanup 2023-01-11 15:17:27 +01:00
Alex Auvolat
bba13f40fc
Correctly return bad requests when seeh marker is invalid 2023-01-11 12:27:19 +01:00
Alex Auvolat
ba384e61c0
PollRange: return immediately if no seen marker is provided 2023-01-11 12:03:17 +01:00
Alex Auvolat
09a3dad0f2
Lock once for insert_many 2023-01-11 11:35:36 +01:00
Alex Auvolat
43fd6c1526
PollRange RPC 2023-01-10 12:54:24 +01:00
Alex Auvolat
9f5419f465
Make K2V item timestamps globally increasing on each node 2023-01-10 11:03:52 +01:00
Alex Auvolat
a48e2e0cb2
K2V: Subscription to ranges of items 2023-01-10 10:30:59 +01:00
Alex Auvolat
f8e528c15d
Small refactor of tables internals 2022-12-14 10:48:49 +01:00
Alex Auvolat
56592e1853
RPC performance changes 
- configurable ping timeout
- single, much higher, configurable RPC timeout
- no more concurrency semaphore
 2022-09-19 20:31:00 +02:00
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