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tikv: add new dynamic configure for flow-control #18814

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Oct 16, 2024
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tikv: add new dynamic configure for flow-control #18814

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add new dynamic configure for flow-control
glorv Sep 5, 2024
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5 changes: 5 additions & 0 deletions dynamic-config.md
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Expand Up @@ -225,6 +225,11 @@ 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 |
| storage.flow-control.memtables-threshold | The threshold of kvDB memtable numbers that triggers flow control |
| storage.flow-control.l0-files-threshold | The threshold of kvDB L0 file numbers that triggers flow control |
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| storage.flow-control.soft-pending-compaction-bytes-limit | The threshold of kvDB pending compaction bytes that triggers flow control |
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| 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 and report the `ServerIsBusy` error |
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| `storage.scheduler-worker-pool-size` | The number of threads in the Scheduler thread pool |
| `backup.num-threads` | The number of backup threads (supported since v4.0.3) |
| `split.qps-threshold` | The threshold to execute `load-base-split` on a Region. If the QPS of read requests for a Region exceeds `qps-threshold` for 10 consecutive seconds, this Region should be split.|
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