批量获取数据库参数

功能介绍

在进行数据库迁移时，为了确保迁移成功后业务应用的使用不受影响，数据复制服务提供了参数对比功能帮助您进行源库和目标库参数一致性对比，此接口可以获取源库和目标库的数据库参数。

接口约束

目前仅MySQL迁移和MySQL灾备支持参数对比的功能。
job_direction为up时才能调用，任务状态为CONFIGURATION才能调用。

URI

POST /v3/{project_id}/jobs/batch-get-params

表1 路径参数
参数	是否必选	参数类型	描述
project_id	是	String	租户在某一Region下的Project ID。获取方法请参见获取项目ID。

请求参数

表2 请求Header参数
参数	是否必选	参数类型	描述
Content-Type	是	String	指定类型为application/json。缺省值：application/json
X-Auth-Token	是	String	从IAM服务获取的用户Token。
X-Language	否	String	请求语言类型。缺省值：en-us 取值： en-us zh-cn

表3 请求Body参数
参数	是否必选	参数类型	描述
jobs	是	Array of strings	批量查询任务请求体。
refresh	是	String	是否重新获取数据库参数，1代表是，0代表否（从缓存中获取），第一次调用时请设置为1。

响应参数

状态码： 202

表4 响应Body参数
参数	参数类型	描述
params_list	Array of objects	查询数据库参数响应体。详情请参见表5。
count	Integer	总数。

表5 params_list字段数据结构说明
参数	参数类型	描述
params	Array of objects	数据参数信息体。详情请参见表6。

表6 params字段数据结构说明
参数	参数类型	描述
compare_result	String	参数对比结果。取值： true false
data_type	String	参数类型
group	String	分组。取值： common：常规参数。 performance：性能参数。
key	String	参数名。
need_restart	String	是否需要重启。取值： true false
source_value	String	源数据库参数值。
target_value	String	目标数据库参数值。
value_range	String	参数范围。
error_code	String	错误码。
error_message	String	错误信息。

请求示例

批量获取数据库参数请求体示例：

https://{endpoint}/v3/054ba152d480d55b2f5dc0069e7ddef0/jobs/batch-get-params

{
  "jobs" : [ "140b5236-88ad-43c8-811c-1268453jb101" ],
  "refresh": 1
}

响应示例

状态码： 202

Accepted

{
  "count" : 1,
  "params_list" : [ {
    "params" : [ {
      "group" : "performance",
      "key" : "binlog_cache_size",
      "source_value" : "16384",
      "target_value" : "32768",
      "compare_result" : "false",
      "data_type" : "figure",
      "value_range" : "4096-16777216",
      "need_restart" : "false"
    }, {
      "group" : "performance",
      "key" : "binlog_stmt_cache_size",
      "source_value" : "32768",
      "target_value" : "32768",
      "compare_result" : "true",
      "data_type" : "figure",
      "value_range" : "4096-16777216",
      "need_restart" : "false"
    }, {
      "group" : "performance",
      "key" : "bulk_insert_buffer_size",
      "source_value" : "8388608",
      "target_value" : "8388608",
      "compare_result" : "true",
      "data_type" : "figure",
      "value_range" : "0-18446744073709551615",
      "need_restart" : "false"
    }, {
      "group" : "common",
      "key" : "character_set_server",
      "source_value" : "utf8",
      "target_value" : "utf8",
      "compare_result" : "true",
      "data_type" : null,
      "value_range" : "utf8|latin1|gbk|utf8mb4",
      "need_restart" : "true"
    }, {
      "group" : "common",
      "key" : "collation_server",
      "source_value" : "utf8_general_ci",
      "target_value" : "utf8_general_ci",
      "compare_result" : "true",
      "data_type" : null,
      "value_range" : "latin1_german1_ci|latin1_swedish_ci|latin1_danish_ci|latin1_german2_ci|latin1_bin|latin1_general_ci|latin1_general_cs|latin1_spanish_ci|gbk_chinese_ci|gbk_bin|utf8_general_ci|utf8_bin|utf8_unicode_ci|utf8_icelandic_ci|utf8_latvian_ci|utf8_romanian_ci|utf8_slovenian_ci|utf8_polish_ci|utf8_estonian_ci|utf8_spanish_ci|utf8_swedish_ci|utf8_turkish_ci|utf8_czech_ci|utf8_danish_ci|utf8_lithuanian_ci|utf8_slovak_ci|utf8_spanish2_ci|utf8_roman_ci|utf8_persian_ci|utf8_esperanto_ci|utf8_hungarian_ci|utf8_sinhala_ci|utf8mb4_general_ci|utf8mb4_bin|utf8mb4_unicode_ci|utf8mb4_icelandic_ci|utf8mb4_latvian_ci|utf8mb4_romanian_ci|utf8mb4_slovenian_ci|utf8mb4_polish_ci|utf8mb4_estonian_ci|utf8mb4_spanish_ci|utf8mb4_swedish_ci|utf8mb4_turkish_ci|utf8mb4_czech_ci|utf8mb4_danish_ci|utf8mb4_lithuanian_ci|utf8mb4_slovak_ci|utf8mb4_spanish2_ci|utf8mb4_roman_ci|utf8mb4_persian_ci|utf8mb4_esperanto_ci|utf8mb4_hungarian_ci|utf8mb4_sinhala_ci",
      "need_restart" : "true"
    }, {
      "group" : "common",
      "key" : "connect_timeout",
      "source_value" : "10",
      "target_value" : "10",
      "compare_result" : "true",
      "data_type" : null,
      "value_range" : "2-31536000",
      "need_restart" : "false"
    }, {
      "group" : "common",
      "key" : "explicit_defaults_for_timestamp",
      "source_value" : "OFF",
      "target_value" : "OFF",
      "compare_result" : "true",
      "data_type" : null,
      "value_range" : "ON|OFF",
      "need_restart" : "true"
    }, {
      "group" : "performance",
      "key" : "innodb_buffer_pool_size",
      "source_value" : "536870912",
      "target_value" : "536870912",
      "compare_result" : "true",
      "data_type" : "figure",
      "value_range" : "5242880-2147483648",
      "need_restart" : "true"
    }, {
      "group" : "common",
      "key" : "innodb_flush_log_at_trx_commit",
      "source_value" : "1",
      "target_value" : "1",
      "compare_result" : "true",
      "data_type" : null,
      "value_range" : "0|1|2",
      "need_restart" : "false"
    }, {
      "group" : "common",
      "key" : "innodb_lock_wait_timeout",
      "source_value" : "50",
      "target_value" : "50",
      "compare_result" : "true",
      "data_type" : null,
      "value_range" : "1-1073741824",
      "need_restart" : "false"
    }, {
      "group" : "performance",
      "key" : "key_buffer_size",
      "source_value" : "16777216",
      "target_value" : "16777216",
      "compare_result" : "true",
      "data_type" : "figure",
      "value_range" : "8-9223372036854771712",
      "need_restart" : "false"
    }, {
      "group" : "performance",
      "key" : "long_query_time",
      "source_value" : "1.000000",
      "target_value" : "1.000000",
      "compare_result" : "true",
      "data_type" : "figure",
      "value_range" : "0.03-3600",
      "need_restart" : "false"
    }, {
      "group" : "common",
      "key" : "max_connections",
      "source_value" : "800",
      "target_value" : "800",
      "compare_result" : "true",
      "data_type" : null,
      "value_range" : "1-100000",
      "need_restart" : "false"
    }, {
      "group" : "common",
      "key" : "net_read_timeout",
      "source_value" : "30",
      "target_value" : "30",
      "compare_result" : "true",
      "data_type" : null,
      "value_range" : "1-31536000",
      "need_restart" : "false"
    }, {
      "group" : "common",
      "key" : "net_write_timeout",
      "source_value" : "60",
      "target_value" : "60",
      "compare_result" : "true",
      "data_type" : null,
      "value_range" : "1-31536000",
      "need_restart" : "false"
    }, {
      "group" : "performance",
      "key" : "read_buffer_size",
      "source_value" : "262144",
      "target_value" : "262144",
      "compare_result" : "true",
      "data_type" : "figure",
      "value_range" : "8192-2147479552",
      "need_restart" : "false"
    }, {
      "group" : "performance",
      "key" : "read_rnd_buffer_size",
      "source_value" : "524288",
      "target_value" : "524288",
      "compare_result" : "true",
      "data_type" : "figure",
      "value_range" : "1-2147483647",
      "need_restart" : "false"
    }, {
      "group" : "performance",
      "key" : "sort_buffer_size",
      "source_value" : "262144",
      "target_value" : "262144",
      "compare_result" : "true",
      "data_type" : "figure",
      "value_range" : "32768-18446744073709551615",
      "need_restart" : "false"
    }, {
      "group" : "performance",
      "key" : "sync_binlog",
      "source_value" : "1",
      "target_value" : "1",
      "compare_result" : "true",
      "data_type" : "figure",
      "value_range" : "0-4294967295",
      "need_restart" : "false"
    }, {
      "group" : "common",
      "key" : "tx_isolation",
      "source_value" : "REPEATABLE-READ",
      "target_value" : "REPEATABLE-READ",
      "compare_result" : "true",
      "data_type" : null,
      "value_range" : "READ-UNCOMMITTED|READ-COMMITTED|REPEATABLE-READ|SERIALIZABLE",
      "need_restart" : "false"
    } ]
  } ]
}

状态码

状态码	描述
202	Accepted
400	Bad Request

错误码

请参见错误码。

父主题： 公共接口管理

上一篇：批量设置任务限速

下一篇：修改数据库参数

意见反馈

文档内容是否对您有帮助？

有帮助没帮助

提供反馈

提交成功！非常感谢您的反馈，我们会继续努力做到更好！

系统繁忙，请稍后重试

在使用文档中是否遇到以下问题

内容与产品页面不一致

内容不易理解

缺失示例代码

步骤不可操作

搜不到想要的内容

缺少最佳实践

意见反馈（选填）

0/500

请至少选择一项反馈信息并填写问题反馈

字符长度不能超过500

直接提交取消