| SystemInfoService |   | 76% |   | 63% | 93 | 210 | 130 | 556 | 12 | 70 | 0 | 1 |
| Backend |   | 79% |   | 60% | 94 | 250 | 102 | 504 | 16 | 118 | 0 | 1 |
| Diagnoser |   | 61% |   | 48% | 27 | 32 | 43 | 102 | 1 | 2 | 0 | 1 |
| HeartbeatMgr.FrontendHeartbeatHandler |   | 29% |  | 16% | 7 | 9 | 26 | 42 | 1 | 3 | 0 | 1 |
| RowTtlFeatureGate |   | 62% |   | 53% | 23 | 38 | 21 | 71 | 0 | 8 | 0 | 1 |
| HeartbeatMgr.BrokerHeartbeatHandler |  | 0% |  | 0% | 5 | 5 | 21 | 21 | 2 | 2 | 1 | 1 |
| HeartbeatMgr.BackendHeartbeatHandler |   | 73% |   | 52% | 17 | 24 | 17 | 89 | 1 | 4 | 0 | 1 |
| HeartbeatMgr |   | 80% |   | 79% | 9 | 40 | 24 | 119 | 0 | 12 | 0 | 1 |
| BeSelectionPolicy |   | 72% |   | 54% | 23 | 45 | 27 | 77 | 0 | 8 | 0 | 1 |
| FrontendHbResponse |   | 47% | | n/a | 2 | 16 | 18 | 48 | 2 | 16 | 0 | 1 |
| BrokerHbResponse |  | 0% | | n/a | 7 | 7 | 25 | 25 | 7 | 7 | 1 | 1 |
| Frontend |   | 78% |   | 42% | 16 | 49 | 17 | 92 | 6 | 35 | 0 | 1 |
| BackendHbResponse |   | 78% | | n/a | 1 | 19 | 15 | 70 | 1 | 19 | 0 | 1 |
| SystemInfoService.HostInfo |   | 40% |  | 14% | 10 | 17 | 15 | 26 | 4 | 10 | 0 | 1 |
| BackendEvent |  | 0% | | n/a | 5 | 5 | 13 | 13 | 5 | 5 | 1 | 1 |
| HeartbeatFlags |   | 48% |  | 12% | 5 | 8 | 3 | 9 | 1 | 4 | 0 | 1 |
| BackendEvent.BackendEventType |  | 0% | | n/a | 1 | 1 | 4 | 4 | 1 | 1 | 1 | 1 |
| HeartbeatResponse |  | 77% | | n/a | 2 | 8 | 3 | 15 | 2 | 8 | 0 | 1 |
| BeSelectionPolicy.Builder |  | 88% | | n/a | 2 | 16 | 4 | 33 | 2 | 16 | 0 | 1 |
| SystemInfoService.BeHostComparator | | 0% | | n/a | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 |
| SystemInfoService.new Comparator() {...} | | 25% | | 0% | 2 | 3 | 3 | 4 | 1 | 2 | 0 | 1 |
| SystemInfoService.BeIdComparator | | 50% | | n/a | 1 | 2 | 1 | 2 | 1 | 2 | 0 | 1 |
| Backend.BackendStatus |  | 100% | | n/a | 0 | 2 | 0 | 10 | 0 | 2 | 0 | 1 |
| HeartbeatResponse.Type |  | 100% | | n/a | 0 | 1 | 0 | 4 | 0 | 1 | 0 | 1 |
| NodeType | | 100% | | n/a | 0 | 1 | 0 | 3 | 0 | 1 | 0 | 1 |
| HeartbeatResponse.HbStatus | | 100% | | n/a | 0 | 1 | 0 | 2 | 0 | 1 | 0 | 1 |
| NodeFeature | | 100% | | 100% | 0 | 2 | 0 | 1 | 0 | 1 | 0 | 1 |