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chore: add docs for config file #4432

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Jul 25, 2024
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chore: add docs for config file #4432

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14 changes: 7 additions & 7 deletions config/config.md
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Original file line number Diff line number Diff line change
Expand Up @@ -269,15 +269,15 @@
| `procedure.retry_delay` | String | `500ms` | Initial retry delay of procedures, increases exponentially |
| `procedure.max_metadata_value_size` | String | `1500KiB` | Auto split large value<br/>GreptimeDB procedure uses etcd as the default metadata storage backend.<br/>The etcd the maximum size of any request is 1.5 MiB<br/>1500KiB = 1536KiB (1.5MiB) - 36KiB (reserved size of key)<br/>Comments out the `max_metadata_value_size`, for don't split large value (no limit). |
| `failure_detector` | -- | -- | -- |
| `failure_detector.threshold` | Float | `8.0` | -- |
| `failure_detector.min_std_deviation` | String | `100ms` | -- |
| `failure_detector.acceptable_heartbeat_pause` | String | `10000ms` | -- |
| `failure_detector.first_heartbeat_estimate` | String | `1000ms` | -- |
| `failure_detector.threshold` | Float | `8.0` | The threshold value used by the failure detector to determine failure conditions. |
| `failure_detector.min_std_deviation` | String | `100ms` | The minimum standard deviation of the heartbeat intervals, used to calculate acceptable variations. |
| `failure_detector.acceptable_heartbeat_pause` | String | `10000ms` | The acceptable pause duration between heartbeats, used to determine if a heartbeat interval is acceptable. |
| `failure_detector.first_heartbeat_estimate` | String | `1000ms` | The initial estimate of the heartbeat interval used by the failure detector. |
| `datanode` | -- | -- | Datanode options. |
| `datanode.client` | -- | -- | Datanode client options. |
| `datanode.client.timeout` | String | `10s` | -- |
| `datanode.client.connect_timeout` | String | `10s` | -- |
| `datanode.client.tcp_nodelay` | Bool | `true` | -- |
| `datanode.client.timeout` | String | `10s` | Operation timeout. |
| `datanode.client.connect_timeout` | String | `10s` | Connect server timeout. |
| `datanode.client.tcp_nodelay` | Bool | `true` | `TCP_NODELAY` option for accepted connections. |
| `wal` | -- | -- | -- |
| `wal.provider` | String | `raft_engine` | -- |
| `wal.broker_endpoints` | Array | -- | The broker endpoints of the Kafka cluster. |
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15 changes: 15 additions & 0 deletions config/metasrv.example.toml
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Expand Up @@ -58,17 +58,32 @@ max_metadata_value_size = "1500KiB"

# Failure detectors options.
[failure_detector]

## The threshold value used by the failure detector to determine failure conditions.
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threshold = 8.0

## The minimum standard deviation of the heartbeat intervals, used to calculate acceptable variations.
min_std_deviation = "100ms"

## The acceptable pause duration between heartbeats, used to determine if a heartbeat interval is acceptable.
acceptable_heartbeat_pause = "10000ms"

## The initial estimate of the heartbeat interval used by the failure detector.
first_heartbeat_estimate = "1000ms"

## Datanode options.
[datanode]

## Datanode client options.
[datanode.client]

## Operation timeout.
timeout = "10s"

## Connect server timeout.
connect_timeout = "10s"

## `TCP_NODELAY` option for accepted connections.
tcp_nodelay = true

[wal]
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