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feat(go): batch redis fast writer projections

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lingniu
2026-07-03 19:45:00 +08:00
parent 81e050ec1c
commit 3a0d9bd840
7 changed files with 173 additions and 10 deletions
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docs/ops/go-service-observability.md
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@@ -54,7 +54,7 @@ curl -fsS http://127.0.0.1:20200/readyz
| `vehicle_fast_writer_nats_consumer_waiting` | Pull requests waiting on the fast writer durable consumer. |
| `vehicle_fast_writer_batch_pending_messages` | NATS fast writer messages fetched but not yet written to TDengine/Redis and acked. |
| `vehicle_fast_writer_batch_pending_envelopes` | Valid parsed envelopes in the current NATS fast writer batch. |
| `vehicle_fast_writer_stage_duration_ms_histogram` | Fast writer stage duration histogram for TDengine, Redis, and NATS ack. Labels: `subject`, `stage`, `status`. |
| `vehicle_fast_writer_stage_duration_ms_histogram` | Fast writer stage duration histogram for TDengine, Redis, and NATS ack. The Redis stage is one batch pipeline when the repository supports batch updates. Labels: `subject`, `stage`, `status`. |
| `vehicle_history_writes_total` | TDengine history writes. Labels: `topic`, `status`. |
| `vehicle_history_batch_pending_messages` | Messages fetched by history writer but not yet flushed and committed. |
| `vehicle_history_batch_pending_rows` | Parsed raw envelopes waiting in the current TDengine batch. |