| Metric | v1.6.3 | v1.6.4 | Δ | |--------|--------|--------|----| | API response time (p99, /v1/vms) | 342 ms | 218 ms | -36% | | VM spawn rate (VMs/min) | 48 | 62 | +29% | | Controller memory footprint | 2.1 GB | 1.7 GB | -19% | | Flow rule insertion (rules/sec) | 1150 | 1390 | +20.8% |