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dm: add auto-id-cache-size config #21556

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dm: add auto-id-cache-size config #21556

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21b7fde
Auto-sync: Update Chinese docs from English PR
github-actions[bot] Apr 15, 2026
7230b2f
Update dm/task-configuration-file-full.md
hfxsd Apr 15, 2026
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4 changes: 4 additions & 0 deletions dm/task-configuration-file-full.md
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Expand Up @@ -189,6 +189,10 @@ syncers: # sync 处理单元的运行配置参数
# 如 DELETE FROM tb WHERE a=1; DELETE FROM tb WHERE a=2 会变成 DELETE FROM tb WHERE (a) IN (1),(2)；其中 a 为主键
multiple-rows: false

# 当该值设置为大于 0 时，DM 会为所有新创建的 AUTO_INCREMENT 表设置 AUTO_ID_CACHE 大小为对应的值。
# 例如，如果设置为 30，语句 `CREATE TABLE tb (`id` INT AUTO_INCREMENT);` 将被修改为 `CREATE TABLE tb (`id` INT AUTO_INCREMENT) /*T![auto_id_cache] AUTO_ID_CACHE = 30 */;`
auto-id-cache-size: 0

validators: # 增量数据校验的运行配置参数
global: # 配置名称
# full：校验每一行中每一列数据是否正确
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