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云数据库 PostgreSQL 版

云数据库 PostgreSQL 版

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参数管理
DescribeDBInstanceParameters
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DescribeDBInstanceParameters
调用 DescribeDBInstanceParameters 接口查询实例的参数配置。​
请求类型​
同步请求。​
调试​
API Explorer
您可以通过 API Explorer 在线发起调用,无需关注签名生成过程,快速获取调用结果。
​
请求参数​
​
参数​
类型​
是否必选​
示例值​
描述​
InstanceId​
String​
是​
postgres-21a3333b****​
实例 ID。​
ParameterName​
String​
否​
auto_explain.log_analyze​
参数名称,支持模糊查询。​
说明​
不传值或传空值时,会查询指定实例下的所有参数。​
​
返回参数​
​
参数​
类型​
示例值​
描述​
InstanceId​
String​
postgres-21a3333b****​
实例 ID。​
DBEngineVersion​
String​
PostgreSQL_12​
兼容版本。取值:​
  • PostgreSQL_11:PostgreSQL 11。​
  • PostgreSQL_12:PostgreSQL 12。​
  • PostgreSQL_13:PostgreSQL 13。​
  • PostgreSQL_14:PostgreSQL 14。​
  • PostgreSQL_15:PostgreSQL 15。​
  • PostgreSQL_16:PostgreSQL 16。​
  • PostgreSQL_17:PostgreSQL 17。​
  • PostgreSQL_18:PostgreSQL 18。​
ParameterCount​
String​
56​
参数个数。​
Parameters​
Array of ParameterObject​
请参见返回示例。​
实例当前的参数配置(内核参数)。​
NoneKernelParameters​
Array of ParameterObject​
请参见返回示例。​
实例当前的参数配置(非内核参数)。​
​
ParameterObject​
​
参数​
类型​
示例值​
描述​
CheckingCode​
String​
[on|off]​
参数取值范围。​
DefaultValue​
String​
off​
参数默认值。指在该实例对应的默认模板中提供的默认值。​
Description​
String​
Use EXPLAIN ANALYZE for plan logging.​
参数的英文描述。​
DescriptionZH​
String​
启用 EXPLAIN ANALYZE 输出的采样。​
参数的中文描述。​
ForceRestart​
Boolean​
false​
是否重启才生效,取值:true 或 false。​
Name​
String​
auto_explain.log_analyze​
参数名。​
Type​
String​
bool​
参数值类型。取值:string、integer、real、bool、enum。​
Value​
String​
off​
参数值。特指当前实例运行值。​
​
示例​
请求示例​
​
POST /?Action=DescribeDBInstanceParameters&Version=2022-01-01 HTTP/1.1​
Content-Type: application/json​
Host: rds-postgresql.cn-beijing.volcengineapi.com​
X-Date: 20231002T101010Z​
Authorization: HMAC-SHA256 Credential=AKLTN2I0MmFiNzMxNWE5NDgzMzk4MmVjMTVkODlkZTZ****/20211202/cn-beijing/rds_postgresql/request,SignedHeaders=x-date, Signature=71d31fc7bcf990142851c9833c5656391486cda0ae2e0b8ada733b7c6458****​
{​
"InstanceId": "postgres-ca7b7019****"​
}​
​
返回示例​
​
{​
"ResponseMetadata": {​
"RequestId": "20230804115231D0A40DAC141F3F09F3A9",​
"Action": "DescribeDBInstanceParameters",​
"Version": "2022-01-01",​
"Service": "rds_postgresql",​
"Region": "cn-beijing"​
},​
"Result": {​
"DBEngineVersion": "PostgreSQL_12",​
"InstanceId": "postgres-ca7b7019****",​
"NoneKernelParameters": [​
{​
"CheckingCode": "[60-3600]",​
"DefaultValue": "60",​
"Description": "For counting slow queries, you can customize the specified time range, with the unit being seconds (s). The default value is 60 seconds, which means it counts the number of slow queries in the last 60 seconds.",​
"DescriptionZH": "对于慢查询的计数,可以自定义指定时间范围,单位为s。默认值为60s,表示统计近60s内的慢查询数量,最大值为3600s。",​
"ForceRestart": false,​
"Name": "slow_query_custom_count_range",​
"Type": "integer",​
"Value": "60"​
}​
],​
"ParameterCount": "40",​
"Parameters": [​
{​
"CheckingCode": "[on|off]",​
"DefaultValue": "off",​
"Description": "Use EXPLAIN ANALYZE for plan logging.",​
"DescriptionZH": "启用 EXPLAIN ANALYZE 输出的采样。",​
"ForceRestart": false,​
"Name": "auto_explain.log_analyze",​
"Type": "bool",​
"Value": "off"​
},​
……,​
{​
"CheckingCode": "[replica|logical]",​
"DefaultValue": "replica",​
"Description": "Set the level of information written to the WAL.",​
"DescriptionZH": "设置写入 WAL 的信息级别。",​
"ForceRestart": true,​
"Name": "wal_level",​
"Type": "enum",​
"Value": "replica"​
}​
]​
}​
}​
​
最近更新时间:2026.10.16 14:22:31
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