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sys_bkgd_migration_retry_num

更新时间：2026-04-07 20:57:21

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说明

该配置项从 V2.2.50 版本开始引入。

功能描述

sys_bkgd_migration_retry_num 用于设置副本迁移失败时最多重试次数。

权限要求

查询配置项

sys 租户和所有用户租户均可以使用 SHOW PARAMETERS 语句或视图 GV$OB_PARAMETERS 查询该配置项。
修改配置项

仅 sys 租户可以修改该配置项，用户租户不能修改该配置项。

属性说明

属性	描述
参数类型	Int
默认值	3
取值范围	[3, 100]
是否可修改	是，支持通过 `ALTER SYSTEM SET` 语句修改。
是否重启 OBServer 节点生效	否，设置后立即生效。

配置示例

设置副本迁移失败时最多重试次数为 3。

obclient> ALTER SYSTEM SET sys_bkgd_migration_retry_num = 3;

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