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tikv-client: add resolve-lock-lite-threshold description #21722

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tikv-client: add resolve-lock-lite-threshold description
lcwangchao Jun 17, 2026
f3abb92
minor wording updates
qiancai Jul 14, 2026
c28e13c
Merge branch 'master' into resolve-lock-lite-thresholdc
lcwangchao Jul 14, 2026
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5 changes: 5 additions & 0 deletions tidb-configuration-file.md
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Expand Up @@ -825,6 +825,11 @@ opentracing.reporter 相关的设置。
+ 用于控制给 TiKV 发送 RPC 请求时，是否使用新版本的 Region 副本选择器。
+ 默认值：true

### `resolve-lock-lite-threshold` <span class="version-mark">从 v5.3.0 版本开始引入</span>

+ 根据单个 Region 内一次 prewrite 请求涉及的 key 数量，控制 TiDB 解决锁冲突的方式。如果 key 数量小于该阈值，TiDB 只处理受影响 key 上的锁，以避免扫描整个 Region；否则，TiDB 会扫描该 Region 以处理相关锁。
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+ 默认值：v9.0.0 及以上版本中为 `512`。在 v9.0.0 之前，默认值为 `16`。
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## tikv-client.copr-cache <span class="version-mark">从 v4.0.0 版本开始引入</span>

本部分介绍 [Coprocessor Cache](/coprocessor-cache.md) 相关的配置项。
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