Decision Workspace
pg_replica vs kevy-elect vs pg_walstream
Side-by-side comparison of Rust crates
43
pg_replica
experimentalv0.7.0
Consensus-driven failover for PostgreSQL (Raft control plane)
63
kevy-elect
experimentalv3.18.0
Quorum-based primary failover for kevy (v3 cluster series, Phase 1.5).
61
pg_walstream
experimentalv0.8.0
PostgreSQL logical replication protocol library - parse and handle PostgreSQL WAL streaming messages
Core Metrics
| pg_replica | kevy-elect | pg_walstream | |
|---|---|---|---|
| Health Score | 43 | 63 | 61 |
| Total Downloads | 131 | 1.1K | 30.8K |
| 30d Downloads | 0 | 890 | 4.3K |
| Dependents | 0 | 47 | 15 |
| Releases | 8 | 51 | 15 |
| Last Updated | 14d ago | 3d ago | today |
| Age | 1m | 25d | 6m |
Health Breakdown
pg_replica
Maintenance
12
Quality
13
Community
5
Popularity
3
Documentation
10
kevy-elect
Maintenance
17
Quality
16
Community
11
Popularity
4
Documentation
15
pg_walstream
Maintenance
19
Quality
13
Community
9
Popularity
5
Documentation
15
Technical Details
| pg_replica | kevy-elect | pg_walstream | |
|---|---|---|---|
| Version | 0.7.0 | 3.18.0 | 0.8.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | AGPL-3.0-only | Apache-2.0 OR MIT | BSD-3-Clause |
| Dependencies | 7 | 1 | 23 |
| Crate Size | 1.6MB | 35KB | 311KB |
| Features | 3 | 0 | 5 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2024 | 2021 |
| MSRV | — | 1.97.0 | 1.87 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •kevy-elect leads with a health score of 63/100, but none of the options score above 80.
- •pg_walstream has the most downloads (30.8K), suggesting wider adoption.
- •pg_replica, pg_walstream are pre-1.0 — API may change.