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docs(metric-engine): update prom_store example configs (#7920)

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docs: update prom_store example configs

Signed-off-by: Lei, HUANG <mrsatangel@gmail.com>
This commit is contained in:
Lei, HUANG
2026-04-08 10:59:39 +08:00
committed by GitHub
parent b623cb1aa2
commit 2f8607138d
3 changed files with 32 additions and 0 deletions
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10
config/config.md
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@@ -69,6 +69,11 @@
| `prom_store` | -- | -- | Prometheus remote storage options |
| `prom_store.enable` | Bool | `true` | Whether to enable Prometheus remote write and read in HTTP API. |
| `prom_store.with_metric_engine` | Bool | `true` | Whether to store the data from Prometheus remote write in metric engine. |
| `prom_store.pending_rows_flush_interval` | String | `0s` | Interval to flush pending rows batcher.<br/>Set to "0s" to disable batching mode in Prometheus Remote Write endpoint |
| `prom_store.max_batch_rows` | Integer | `100000` | Max rows per pending batch before triggering a flush. |
| `prom_store.max_concurrent_flushes` | Integer | `256` | Max number of concurrent batch flushes. |
| `prom_store.worker_channel_capacity` | Integer | `65526` | Capacity of the pending batch worker channel. |
| `prom_store.max_inflight_requests` | Integer | `3000` | Max inflight write requests before backpressure. |
| `wal` | -- | -- | The WAL options. |
| `wal.provider` | String | `raft_engine` | The provider of the WAL.<br/>- `raft_engine`: the wal is stored in the local file system by raft-engine.<br/>- `kafka`: it's remote wal that data is stored in Kafka. |
| `wal.dir` | String | Unset | The directory to store the WAL files.<br/>**It's only used when the provider is `raft_engine`**. |
@@ -292,6 +297,11 @@
| `prom_store` | -- | -- | Prometheus remote storage options |
| `prom_store.enable` | Bool | `true` | Whether to enable Prometheus remote write and read in HTTP API. |
| `prom_store.with_metric_engine` | Bool | `true` | Whether to store the data from Prometheus remote write in metric engine. |
| `prom_store.pending_rows_flush_interval` | String | `0s` | Interval to flush pending rows batcher.<br/>Set to "0s" to disable batching mode in Prometheus Remote Write endpoint |
| `prom_store.max_batch_rows` | Integer | `100000` | Max rows per pending batch before triggering a flush. |
| `prom_store.max_concurrent_flushes` | Integer | `256` | Max number of concurrent batch flushes. |
| `prom_store.worker_channel_capacity` | Integer | `65526` | Capacity of the pending batch worker channel. |
| `prom_store.max_inflight_requests` | Integer | `3000` | Max inflight write requests before backpressure. |
| `meta_client` | -- | -- | The metasrv client options. |
| `meta_client.metasrv_addrs` | Array | -- | The addresses of the metasrv. |
| `meta_client.timeout` | String | `3s` | Operation timeout. |

11
config/frontend.example.toml
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@@ -214,6 +214,17 @@ enable = true
enable = true
## Whether to store the data from Prometheus remote write in metric engine.
with_metric_engine = true
## Interval to flush pending rows batcher.
## Set to "0s" to disable batching mode in Prometheus Remote Write endpoint
#+pending_rows_flush_interval = "0s"
## Max rows per pending batch before triggering a flush.
#+max_batch_rows = 100000
## Max number of concurrent batch flushes.
#+max_concurrent_flushes = 256
## Capacity of the pending batch worker channel.
#+worker_channel_capacity = 65526
## Max inflight write requests before backpressure.
#+max_inflight_requests = 3000
## The metasrv client options.
[meta_client]

11
config/standalone.example.toml
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@@ -173,6 +173,17 @@ enable = true
enable = true
## Whether to store the data from Prometheus remote write in metric engine.
with_metric_engine = true
## Interval to flush pending rows batcher.
## Set to "0s" to disable batching mode in Prometheus Remote Write endpoint
#+pending_rows_flush_interval = "0s"
## Max rows per pending batch before triggering a flush.
#+max_batch_rows = 100000
## Max number of concurrent batch flushes.
#+max_concurrent_flushes = 256
## Capacity of the pending batch worker channel.
#+worker_channel_capacity = 65526
## Max inflight write requests before backpressure.
#+max_inflight_requests = 3000
## The WAL options.
[wal]