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[DNM until v8.1.3] tikv: add new dynamic configure for flow-control (#18814) #21375

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[DNM until v8.1.3] tikv: add new dynamic configure for flow-control (#18814) #21375

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add new dynamic configure for flow-control
glorv Sep 5, 2024
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glorv Sep 27, 2024
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5 changes: 5 additions & 0 deletions dynamic-config.md
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Expand Up @@ -224,6 +224,11 @@ The following TiKV configuration items can be modified dynamically:
| `server.raft-msg-max-batch-size` | Sets the maximum number of Raft messages that are contained in a single gRPC message |
| `server.simplify-metrics` | Controls whether to simplify the sampling monitoring metrics |
| `storage.block-cache.capacity` | The size of shared block cache (supported since v4.0.3) |
| storage.flow-control.enable | Determines whether to enable the flow control mechanism (dynamic modification is supported starting from v8.1.3) |
| storage.flow-control.memtables-threshold | The maximum number of kvDB memtables that trigger flow control (dynamic modification is supported starting from v8.1.3) |
| storage.flow-control.l0-files-threshold | The maximum number of kvDB L0 files that trigger flow control (dynamic modification is supported starting from v8.1.3) |
| storage.flow-control.soft-pending-compaction-bytes-limit | The threshold of kvDB pending compaction bytes that triggers flow control mechanism to reject some write requests (dynamic modification is supported starting from v8.1.3) |
| storage.flow-control.hard-pending-compaction-bytes-limit | The threshold of kvDB pending compaction bytes that triggers flow control mechanism to reject all write requests (dynamic modification is supported starting from v8.1.3) |
| `storage.scheduler-worker-pool-size` | The number of threads in the Scheduler thread pool |
| `import.num-threads` | The number of threads to process restore or import RPC requests (dynamic modification is supported starting from v8.1.2) |
| `backup.num-threads` | The number of backup threads (supported since v4.0.3) |
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