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feat: allow forced region failover for local WAL (#5972)

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* feat: allow forced region failover for local WAL

* chore: upgrade config.md

* chore: apply suggestions from CR
This commit is contained in:
Weny Xu
2025-04-24 16:11:45 +08:00
committed by GitHub
parent b476584f56
commit e30753fc31
4 changed files with 25 additions and 6 deletions
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1
config/config.md
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@@ -319,6 +319,7 @@
| `selector` | String | `round_robin` | Datanode selector type.<br/>- `round_robin` (default value)<br/>- `lease_based`<br/>- `load_based`<br/>For details, please see "https://docs.greptime.com/developer-guide/metasrv/selector". |
| `use_memory_store` | Bool | `false` | Store data in memory. |
| `enable_region_failover` | Bool | `false` | Whether to enable region failover.<br/>This feature is only available on GreptimeDB running on cluster mode and<br/>- Using Remote WAL<br/>- Using shared storage (e.g., s3). |
| `allow_region_failover_on_local_wal` | Bool | `false` | Whether to allow region failover on local WAL.<br/>**This option is not recommended to be set to true, because it may lead to data loss during failover.** |
| `node_max_idle_time` | String | `24hours` | Max allowed idle time before removing node info from metasrv memory. |
| `enable_telemetry` | Bool | `true` | Whether to enable greptimedb telemetry. Enabled by default. |
| `runtime` | -- | -- | The runtime options. |

4
config/metasrv.example.toml
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@@ -50,6 +50,10 @@ use_memory_store = false
## - Using shared storage (e.g., s3).
enable_region_failover = false
## Whether to allow region failover on local WAL.
## **This option is not recommended to be set to true, because it may lead to data loss during failover.**
allow_region_failover_on_local_wal = false
## Max allowed idle time before removing node info from metasrv memory.
node_max_idle_time = "24hours"