阿里云RDS文档概述——性能优化
2014-11-30 10:49
183 查看
该系列博客的目录:
概述与请求方式: /article/11271808.html (请先看这篇了解公共请求参数)
实例管理: /article/11271809.html
数据库管理: /article/11271810.html
数据迁入: /article/11271811.html
账号管理: /article/11271812.html
备份恢复: /article/11271813.html
监控查询: /article/11271814.html
日志查询: /article/11271815.html
性能优化: /article/11271816.html
参数设置: /article/11271808.html
性能优化
查看SQL日志运行报告
查看慢日志列表
查看慢日志明细
查看优化建议
查看SQL日志运行报告:
描述:
查询实例的SQL日志运行报告。
注:一般作整点查询,如查询2-3点的运行报告
请求参数:
返回参数:
SQLReport:
示例:
请求示例:
https://rds.aliyuncs.com/?Action=DescribeSQLLogReports
&DBInstanceId=riauvjz6zajfiq6ba1370329449201
&StartTime=2011-06-11T15:00:00Z
&EndTime=2013-06-05T15:00:00Z
&<公共请求参数>
返回示例:
XML格式:
<DescribeSQLLogReportsResponse>
<RequestId>08A3B71B-FE08-4B03-974F-CC7EA6DB1828</RequestId>
<TotalRecordCount>1</TotalRecordCount>
<PageNumber>1</PageNumber>
<PageRecordCount>1<PageRecordCount>
<Items>
<SQLReport>
<SQLText>update test.zxb set id=0 limit 1</SQLText>
<TotalExecutionCounts>12</TotalExecutionCounts>
<TotalExecutionTimes>34</TotalExecutionTimes>
<ReturnTotalRowCounts>25</ReturnTotalRowCounts>
<TotalExecutionTimes>54</TotalExecutionTimes>
</SQLReport>
</Items>
</DescribeSQLLogReportsResponse>
JSON格式:
{
"PageNumber":1,
"TotalRecordCount":1,
"PageRecordCount":1
"Items": {
"SQLReport": [
{
"SQLText":"update test.zxb set id=0 limit 1"
"TotalExecutionCounts":"12"
"TotalExecutionTimes":"34"
"ReturnTotalRowCounts":"25"
"TotalExecutionTimes":"54"
}
]
},
"RequestId":"08A3B71B-FE08-4B03-974F-CC7EA6DB1828"
}
查看慢日志列表:
描述:
说明:用户可以查询某日期范围内、某个用户实例下、某个DB的慢查询汇总情况。
支持分页查询。SQLServer和MySQL两种数据库实例类型,慢查询返回的SQLs参数值是不一样的,详情请见下面的SQLs参数表
请求参数:
返回参数:
实例类型为SQLServer的SQLSlowLog参数:
示例:
请求示例:
https://rds.aliyuncs.com/?Action=DescribeSlowLogs
&DBInstanceId=riauvjz6zajfiq6ba1370329449201
&StartTime=2011-06-11T15:00:00Z
&EndTime=2013-06-05T15:00:00Z
&SortKey=TotalExecutionCounts
&<公共请求参数>
返回示例:
XML格式:
<DescribeSlowLogsResponse>
<RequestId>A5409D02-D661-4BF3-8F3D-0A814D0574E7</RequestId>
<DBInstanceID>riauvjz6zajfiq6ba1370329449201</DBInstanceID>
<Engine>SQLServer</Engine>
<StartTime>2012-06-11T15:00Z</StartTime>
<EndTime>2013-10-17T15:00Z</EndTime>
<TotalRecordCount>1</TotalRecordCount>
<PageNumber>1</PageNumber>
<PageRecordCount>1</PageRecordCount>
<Items>
<SQLSlowLog>
<SQLText>update test.zxb set id=0 limit 1</SQLText>
<SQLServerTotalExecutionCounts>178</SQLServerTotalExecutionCounts>
<SQLServerTotalExecutionTimes>189</SQLServerTotalExecutionTimes>
<TotalLogicalReadcounts>89</TotalLogicalReadcounts>
<TotalPhysicalReadcounts>90</TotalPhysicalReadcounts>
<ReportTime>2013-11-12Z</ReportTime>
</SQLSlowLog>
</Items>
</DescribeSlowLogsResponse>
JSON格式:
{
"RequestId":"A5409D02-D661-4BF3-8F3D-0A814D0574E7"
"StartTime":"2011-06-11T15:00:00Z",
"EndTime":"2013-06-05T15:00:00Z",
"Engine":"SQLServer",
"PageNumber":1,
"PageRecordCount":1,
"TotalRecordCount":1,
"Items": {
"SQLSlowLog": [
{
"SQLText":"update test.zxb set id=0 limit 1"
"SQLServerTotalExecutionCounts":178
"SQLServerTotalExecutionTimes":189
"TotalLogicalReadcounts":89
"TotalPhysicalReadcounts":90
"ReportTime":"2013-11-12Z"
}
]
}
}
查看慢日志明细:
描述:
说明:用户可以查询某日期范围内、某个用户实例下、某个DB的慢查询明细,仅支持MySQL数据库。
请求参数:
返回参数:
SQLSlowRecord参数:
示例:
请求示例:
https://rds.aliyuncs.com/?Action=DescribeSlowLogRecords
&DBInstanceId=riauvjz6zajfiq6ba1370329449201
&StartTime=2011-06-11T15:00:00Z
&EndTime=2013-06-05T15:00:00Z
&<公共请求参数>
返回示例:
XML格式:
<DescribeSlowLogRecordsResponse>
<RequestId>542BB8D6-4268-45CC-A557-B03EFD7AB30A</RequestId>
<DBInstanceID>riauvjz6zajfiq6ba1370329449201</DBInstanceID>
<Engine>MySQL</Engine>
<StartTime>2012-06-11T15:00Z</StartTime>
<EndTime>2013-10-17T15:00Z</EndTime>
<TotalRecordCount>1</TotalRecordCount>
<PageNumber>1</PageNumber>
<PageRecordCount>1</PageRecordCount>
<Items>
<SQLSlowRecord>
<HostAddress>192.168.0.123</HostAddress>
<DBName>test</DBName>
<SQLText>update test.zxb set id=0 limit 1</SQLText>
<QueryTimes>123</QueryTimes>
<LockTimes>12</LockTimes>
<ParseRowCounts>125</ParseRowCounts>
<ReturnRowCounts>1</ReturnRowCounts>
<ExecutionStartTime>2012-06-11T15:00:08Z</ExecutionStartTime>
</SQLSlowRecord>
</Items>
</DescribeSlowLogRecordsResponse>
JSON格式:
{
"RequestId":"542BB8D6-4268-45CC-A557-B03EFD7AB30A"
"StartTime":"2011-06-11T15:00:00Z",
"EndTime":"2013-06-05T15:00:00Z",
"Engine":"MySQL",
"PageNumber":1,
"PageRecordCount":1,
"TotalRecordCount":1
"Items": {
"SQLSlowRecord": [
{
HostAddress:”192.168.0.123”
DBName:”test”
SQLText:”update test.zxb set id=0 limit 1”
QueryTimes:”123”
LockTimes”12”
ParseRowCounts:”125”
ReturnRowCounts:”1”
ExecutionStartTime:”2012-06-11T15:00:08Z”
}
]
}
}
查看优化建议
RDS提供了丰富的性能诊断功能,如存储引擎检查、主键检查,索引过多等等
查看优化建议-存储引擎:
描述:
说明:检查数据库存储引擎的问题,必要时会给出建议,只支持MySQL
请求参数:
返回参数:
AdviceOnStorage:
示例:
请求示例:
https://rds.aliyuncs.com/?Action=DescribeOptimizeAdviceOnStorage
&DBInstanceId=riauvjz6zajfiq6ba1370329449201
&<公共请求参数>
返回示例:
XML格式:
<DescribeOptimizeAdviceOnStorageResponse>
<RequestId>08A3B71B-FE08-4B03-974F-CC7EA6DB1828</RequestId>
<TotalRecordCount>1</TotalRecordCount>
<PageNumber>1</PageNumber>
<PageRecordCount>1<PageRecordCount>
<Items>
<AdviceOnStorage>
<DBName>DBTest11</DBName>
<TableName>Tabletest12</TableName>
<CurrentEngine>MyIsam</CurrentEngine>
<AdviseEngine>Innodb</AdviseEngine>
</AdviceOnStorage>
</Items>
</DescribeOptimizeAdviceOnStorageResponse>
JSON格式:
{
"PageNumber":1,
"TotalRecordCount":1,
"PageRecordCount":1
"Items": {
"AdviceOnStorage ": [
{
"DBName":"DBTest11"
"TableName":"Tabletest12"
"CurrentEngine":"MyIsam"
"AdviseEngine":"Innodb"
}
]
},
"RequestId":"08A3B71B-FE08-4B03-974F-CC7EA6DB1828"
}
查看优化建议-大表检查:
描述:
说明:检查数据表大于2G的表
请求参数:
返回参数:
示例:
请求示例:
https://rds.aliyuncs.com/?Action=DescribeOptimizeAdviceOnBigTable
&DBInstanceId=riauvjz6zajfiq6ba1370329449201
&<公共请求参数>
返回示例:
XML格式:
<DescribeOptimizeAdviceOnBigTableResponse>
<RequestId>089FD688-826C-4EAF-8E78-3C342AC5B398</RequestId>
<TotalRecordCount>1</TotalRecordCount>
<PageNumber>1</PageNumber>
<PageRecordCount>1<PageRecordCount>
<Items>
<AdviceOnBigTable>
<DBName>DBTest11</DBName>
<TableName>Tabletest12</TableName>
<TableSize>10485760</TableSize>
<DataSize>7000000</DataSize>
<IndexSize>3495253</IndexSize>
</AdviceOnBigTable>
</Items>
</DescribeOptimizeAdviceOnBigTableResponse>
JSON格式:
{
"PageNumber":1,
"TotalRecordCount":1,
"PageRecordCount":1
"Items": {
"AdviceOnBigTable": [
{
"DBName":"DBTest11"
"TableName":"Tabletest12"
"TableSize":10485760
"DataSize":7000000
"IndexSize":3495253
}
]
},
"RequestId":"0089FD688-826C-4EAF-8E78-3C342AC5B398"
}
查看优化建议-主键检查:
描述:
说明:检查数据库中没有创建主键的表
请求参数:
返回参数:
AdviceOnMissPK:
示例:
请求示例:
https://rds.aliyuncs.com/?Action=DescribeOptimizeAdviceOnMissPK
&DBInstanceId=riauvjz6zajfiq6ba1370329449201
&<公共请求参数>
返回示例:
XML格式:
<DescribeOptimizeAdviceOnMissPKResponse>
<RequestId>E3D70B63-BD54-481C-A669-3720FF436EF6</RequestId>
<TotalRecordCount>1</TotalRecordCount>
<PageNumber>1</PageNumber>
<PageRecordCount>1<PageRecordCount>
<Items>
<AdviceOnMissPK>
<DBName>DBTest11</DBName>
<TableName>Tabletest12</TableName>
</AdviceOnMissPK>
</Items>
</DescribeOptimizeAdviceOnMissPKResponse>
JSON格式:
{
"PageNumber":1,
"TotalRecordCount":1,
"PageRecordCount":1
"Items": {
"AdviceOnMissPK": [
{
"DBName":"DBTest11"
"TableName":"Tabletest12"
}
]
},
"RequestId":" E3D70B63-BD54-481C-A669-3720FF436EF6"
}
查看优化建议-索引过多:
描述:
说明:根据RDS的运行情况,系统将提示哪些数据库表中的索引偏多,建议用户修改表结构。
请求参数:
返回参数:
示例:
请求示例:
https://rds.aliyuncs.com/?Action=DescribeOptimizeAdviceOnExcessIndex
&DBInstanceId=riauvjz6zajfiq6ba1370329449201
&<公共请求参数>
返回示例:
XML格式:
<DescribeOptimizeAdviceOnExcessIndexResponse>
<RequestId>B873F269-26F1-43BA-9D43-589A332092B8</RequestId>
<TotalRecordCount>1</TotalRecordCount>
<PageNumber>1</PageNumber>
<PageRecordCount>1<PageRecordCount>
<Items>
<AdviceOnExcessIndex>
<DBName>DBTest11</DBName>
<TableName>Tabletest12</TableName>
<IndexCount>9</IndexCount>
</AdviceOnExcessIndex>
</Items>
</DescribeOptimizeAdviceOnExcessIndexResponse>
JSON格式:
{
"PageNumber":1,
"TotalRecordCount":1,
"PageRecordCount":1
"Items": {
"AdviceOnExcessIndex": [
{
"DBName":"DBTest11"
"TableName":"Tabletest12"
"IndexCount":9
}
]
},
"RequestId":" B873F269-26F1-43BA-9D43-589A332092B8 "
}
查看优化建议-缺失索引:
描述:
说明:根据RDS的SQL语句运行情况及性能,系统将提示缺失索引的数据库表,并提示添加索引的SQL语句。
请求参数:
返回参数:
AdviceOnMissIndex:
示例:
请求示例:
https://rds.aliyuncs.com/?Action=DescribeOptimizeAdviceOnMissIndex
&DBInstanceId=riauvjz6zajfiq6ba1370329449201
&<公共请求参数>
返回示例:
XML格式:
<DescribeOptimizeAdviceOnMissIndexResponse>
<RequestId>08A3B71B-FE08-4B03-974F-CC7EA6DB1828</RequestId>
<TotalRecordCount>1</TotalRecordCount>
<PageNumber>1</PageNumber>
<PageRecordCount>1<PageRecordCount>
<Items>
<AdviceOnMissIndex>
<DBName>DBTest11</DBName>
<TableName>Tabletest12</TableName>
<QueryColumn>nickname</QueryColumn>
<SQLText>Alter table Tabletest12 add INDEX index_nickname(niakname)</SQLText>
</AdviceOnMissIndex>
</Items>
</DescribeOptimizeAdviceOnMissIndexResponse>
JSON格式:
{
"PageNumber":1,
"TotalRecordCount":1,
"PageRecordCount":1
"Items": {
"AdviceOnMissIndex": [
{
"DBName":"DBTest11"
"TableName":"Tabletest12"
"QueryColumn":"nickname"
"SQLText":"Altertable Tabletest12 add INDEX index_nickname(niakname) "
}
]
},
"RequestId":"08A3B71B-FE08-4B03-974F-CC7EA6DB1828"
}
概述与请求方式: /article/11271808.html (请先看这篇了解公共请求参数)
实例管理: /article/11271809.html
数据库管理: /article/11271810.html
数据迁入: /article/11271811.html
账号管理: /article/11271812.html
备份恢复: /article/11271813.html
监控查询: /article/11271814.html
日志查询: /article/11271815.html
性能优化: /article/11271816.html
参数设置: /article/11271808.html
性能优化
查看SQL日志运行报告
查看慢日志列表
查看慢日志明细
查看优化建议
查看SQL日志运行报告:
描述:
查询实例的SQL日志运行报告。
注:一般作整点查询,如查询2-3点的运行报告
请求参数:
名称 | 类型 | 是否必须 | 描述 |
Action | String | 是 | 系统规定参数,取值: DescribeSQLLogReports |
DBInstanceId | String | 是 | 实例名 |
StartTime | String | 是 | 查询开始时间,格式如: yyyy-MM-dd'T’HH:mm:ssZ |
EndTime | String | 是 | 查询结束时间,格式如: yyyy-MM-dd'T’HH:mm:ssZ,且大于查询开始时间 |
PageSize | Integer | 否 | 每页记录数,取值:30|50|100;默认值: 30 |
PageNumber | Integer | 否 | 页码,大于0,且不超过Integer的最大值;默认值: 1 |
名称 | 类型 | 描述 |
TotalRecordCount | Integer | 总记录数 |
PageNumber | Integer | 页码 |
PageRecordCount | Integer | 本页SQL日志运行报告个数 |
Items | List<SQLReport> |
名称 | 类型 | 描述 |
SQLText | String | SQL语句 |
TotalExecutionCounts | String | 执行总时长 |
TotalExecutionTimes | String | 总消耗时间 |
ReturnTotalRowCounts | String | 返回行总数 |
TotalExecutionTimes | String | 总消耗时间 |
请求示例:
https://rds.aliyuncs.com/?Action=DescribeSQLLogReports
&DBInstanceId=riauvjz6zajfiq6ba1370329449201
&StartTime=2011-06-11T15:00:00Z
&EndTime=2013-06-05T15:00:00Z
&<公共请求参数>
返回示例:
XML格式:
<DescribeSQLLogReportsResponse>
<RequestId>08A3B71B-FE08-4B03-974F-CC7EA6DB1828</RequestId>
<TotalRecordCount>1</TotalRecordCount>
<PageNumber>1</PageNumber>
<PageRecordCount>1<PageRecordCount>
<Items>
<SQLReport>
<SQLText>update test.zxb set id=0 limit 1</SQLText>
<TotalExecutionCounts>12</TotalExecutionCounts>
<TotalExecutionTimes>34</TotalExecutionTimes>
<ReturnTotalRowCounts>25</ReturnTotalRowCounts>
<TotalExecutionTimes>54</TotalExecutionTimes>
</SQLReport>
</Items>
</DescribeSQLLogReportsResponse>
JSON格式:
{
"PageNumber":1,
"TotalRecordCount":1,
"PageRecordCount":1
"Items": {
"SQLReport": [
{
"SQLText":"update test.zxb set id=0 limit 1"
"TotalExecutionCounts":"12"
"TotalExecutionTimes":"34"
"ReturnTotalRowCounts":"25"
"TotalExecutionTimes":"54"
}
]
},
"RequestId":"08A3B71B-FE08-4B03-974F-CC7EA6DB1828"
}
查看慢日志列表:
描述:
说明:用户可以查询某日期范围内、某个用户实例下、某个DB的慢查询汇总情况。
支持分页查询。SQLServer和MySQL两种数据库实例类型,慢查询返回的SQLs参数值是不一样的,详情请见下面的SQLs参数表
请求参数:
名称 | 类型 | 是否必须 | 描述 |
Action | String | 是 | 系统规定参数,取值: DescribeSlowLogs |
DBInstanceId | String | 是 | 实例名 |
StartTime | String | 是 | 查询开始日期,格式:YYYY-MM-DDZ,如2011-05-30Z |
EndTime | String | 是 | 查询结束日期,不能小于查询开始日期;格式:YYYY-MM-DDZ,如2011-05-30Z |
DBName | String | 否 | DB名称 |
SortKey | String | 否 | 排序依据,取值: TotalExecutionCounts:总执行次数最多 TotalQueryTimes:总执行时间最多 TotalLogicalReads:总逻辑读最多 TotalPhysicalReads:总物理读最多 此参数对SQLServer实例有效,SQLServer类型必传此参数 |
PageSize | Integer | 否 | 每页记录数,取值:30|50|100;默认值: 30 |
PageNumber | Integer | 否 | 页码,大于0,且不超过Integer的最大值;默认值: 1 |
名称 | 类型 | 描述 |
Engine | String | 数据库类型 |
StartTime | String | 查询开始日期,格式: YYYY-MM-DDZ,如2011-05-30Z |
EndTime | String | 查询结束日期,格式: YYYY-MM-DDZ,如2011-05-30Z |
TotalRecordCount | Integer | 总记录数 |
PageNumber | Integer | 页码 |
PageRecordCount | Integer | 本页SQL语句个数 |
Items | List<SQLSlowLog> | 实例类型为MySQL的SQLSlowLog参数:名称类型描述 |
DBName | String | DB名称 |
SQLText | String | 查询语句 |
MySQLTotalExecutionCounts | Long | 执行总次数 |
MySQLTotalExecut | Long | 执行总时长,单位:秒 |
ionTimes | ||
MaxExecutionTime | Long | 执行最大时长,单位:秒 |
TotalLockTimes | Long | 锁定总时长,单位:秒 |
MaxLockTime | Long | 锁定最大时长,单位:秒 |
ParseTotalRowCounts | Long | 解析总行数 |
ParseMaxRowCount | Long | 解析最大行数 |
ReturnTotalRowCounts | Long | 返回总行数 |
ReturnMaxRowCount | Long | 返回最大行数 |
CreateTime | String | 数据生成日期;格式:"yyyy-MM-ddZ",如2011-05-30Z |
名称 | 类型 | 描述 |
SQLText | String | 查询语句 |
SQLServerTotalExecutionCounts | Long | 总执行次数 |
SQLServerTotalExecutionTimes | Long | 总执行时间,单位:毫秒 |
TotalLogicalReadcounts | Long | 总逻辑读 |
TotalPhysicalReadcounts | Long | 总物理读 |
ReportTime | String | 数据报表生成日期;格式:"yyyy-MM-ddZ",如2011-05-30Z |
请求示例:
https://rds.aliyuncs.com/?Action=DescribeSlowLogs
&DBInstanceId=riauvjz6zajfiq6ba1370329449201
&StartTime=2011-06-11T15:00:00Z
&EndTime=2013-06-05T15:00:00Z
&SortKey=TotalExecutionCounts
&<公共请求参数>
返回示例:
XML格式:
<DescribeSlowLogsResponse>
<RequestId>A5409D02-D661-4BF3-8F3D-0A814D0574E7</RequestId>
<DBInstanceID>riauvjz6zajfiq6ba1370329449201</DBInstanceID>
<Engine>SQLServer</Engine>
<StartTime>2012-06-11T15:00Z</StartTime>
<EndTime>2013-10-17T15:00Z</EndTime>
<TotalRecordCount>1</TotalRecordCount>
<PageNumber>1</PageNumber>
<PageRecordCount>1</PageRecordCount>
<Items>
<SQLSlowLog>
<SQLText>update test.zxb set id=0 limit 1</SQLText>
<SQLServerTotalExecutionCounts>178</SQLServerTotalExecutionCounts>
<SQLServerTotalExecutionTimes>189</SQLServerTotalExecutionTimes>
<TotalLogicalReadcounts>89</TotalLogicalReadcounts>
<TotalPhysicalReadcounts>90</TotalPhysicalReadcounts>
<ReportTime>2013-11-12Z</ReportTime>
</SQLSlowLog>
</Items>
</DescribeSlowLogsResponse>
JSON格式:
{
"RequestId":"A5409D02-D661-4BF3-8F3D-0A814D0574E7"
"StartTime":"2011-06-11T15:00:00Z",
"EndTime":"2013-06-05T15:00:00Z",
"Engine":"SQLServer",
"PageNumber":1,
"PageRecordCount":1,
"TotalRecordCount":1,
"Items": {
"SQLSlowLog": [
{
"SQLText":"update test.zxb set id=0 limit 1"
"SQLServerTotalExecutionCounts":178
"SQLServerTotalExecutionTimes":189
"TotalLogicalReadcounts":89
"TotalPhysicalReadcounts":90
"ReportTime":"2013-11-12Z"
}
]
}
}
查看慢日志明细:
描述:
说明:用户可以查询某日期范围内、某个用户实例下、某个DB的慢查询明细,仅支持MySQL数据库。
请求参数:
名称 | 类型 | 是否必须 | 描述 |
Action | String | 是 | 系统规定参数,取值: DescribeSlowLogRecords |
DBInstanceId | String | 是 | 实例名 |
StartTime | String | 是 | 查询开始时间,格式: YYYY-MM-DD'T'HH:mmZ,如2011-05-30T12:10Z |
EndTime | String | 是 | 查询结束时间,必须大于查询开始时间;格式: YYYY-MM-DD'T'HH:mm Z |
DBName | String | 否 | DB名称 |
PageSize | Integer | 否 | 每页记录数,取值:30|50|100;默认值: 30 |
PageNumber | Integer | 否 | 页码,大于0,且不超过Integer的最大值;默认值: 1 |
名称 | 类型 | 描述 |
Engine | String | 数据库类型 |
TotalRecordCount | Integer | 总记录数 |
PageNumber | Integer | 页码 |
PageRecordCount | Integer | 本页SQL日志个数 |
Items | List<SQLSlowRecord> |
名称 | 类型 | 描述 |
HostAddress | String | 用户连接数据库的主机地址 |
DBName | String | DB名称 |
SQLText | String | 查询语句 |
QueryTimes | Long | 执行时长,单位:秒 |
LockTimes | Long | 锁定时长,单位:秒 |
ParseRowCounts | Long | 解析行数 |
ReturnRowCounts | Long | 返回行数 |
ExecutionStartTime | String | 执行开始时间;格式: YYYY-MM-DD’T’HH:mm:ss Z,如2011-05-30T12:11:20Z |
请求示例:
https://rds.aliyuncs.com/?Action=DescribeSlowLogRecords
&DBInstanceId=riauvjz6zajfiq6ba1370329449201
&StartTime=2011-06-11T15:00:00Z
&EndTime=2013-06-05T15:00:00Z
&<公共请求参数>
返回示例:
XML格式:
<DescribeSlowLogRecordsResponse>
<RequestId>542BB8D6-4268-45CC-A557-B03EFD7AB30A</RequestId>
<DBInstanceID>riauvjz6zajfiq6ba1370329449201</DBInstanceID>
<Engine>MySQL</Engine>
<StartTime>2012-06-11T15:00Z</StartTime>
<EndTime>2013-10-17T15:00Z</EndTime>
<TotalRecordCount>1</TotalRecordCount>
<PageNumber>1</PageNumber>
<PageRecordCount>1</PageRecordCount>
<Items>
<SQLSlowRecord>
<HostAddress>192.168.0.123</HostAddress>
<DBName>test</DBName>
<SQLText>update test.zxb set id=0 limit 1</SQLText>
<QueryTimes>123</QueryTimes>
<LockTimes>12</LockTimes>
<ParseRowCounts>125</ParseRowCounts>
<ReturnRowCounts>1</ReturnRowCounts>
<ExecutionStartTime>2012-06-11T15:00:08Z</ExecutionStartTime>
</SQLSlowRecord>
</Items>
</DescribeSlowLogRecordsResponse>
JSON格式:
{
"RequestId":"542BB8D6-4268-45CC-A557-B03EFD7AB30A"
"StartTime":"2011-06-11T15:00:00Z",
"EndTime":"2013-06-05T15:00:00Z",
"Engine":"MySQL",
"PageNumber":1,
"PageRecordCount":1,
"TotalRecordCount":1
"Items": {
"SQLSlowRecord": [
{
HostAddress:”192.168.0.123”
DBName:”test”
SQLText:”update test.zxb set id=0 limit 1”
QueryTimes:”123”
LockTimes”12”
ParseRowCounts:”125”
ReturnRowCounts:”1”
ExecutionStartTime:”2012-06-11T15:00:08Z”
}
]
}
}
查看优化建议
RDS提供了丰富的性能诊断功能,如存储引擎检查、主键检查,索引过多等等
查看优化建议-存储引擎:
描述:
说明:检查数据库存储引擎的问题,必要时会给出建议,只支持MySQL
请求参数:
名称 | 类型 | 是否必须 | 描述 |
Action | String | 是 | 系统规定参数,取值:DescribeOptimizeAdviceOnStorage |
DBInstanceId | String | 是 | 实例名 |
PageSize | Integer | 否 | 每页记录数,取值:30|50|100;默认30 |
PageNumber | Integer | 否 | 页码,大于0,且不超过Integer的最大值;默认1 |
名称 | 类型 | 描述 |
TotalRecordsCount | Integer | 总记录数 |
PageNumber | Integer | 页码 |
PageRecordCount | Integer | 记录列表个数 |
Items | List<AdviceOnStorage> |
名称 | 类型 | 描述 |
DBName | String | 数据库名 |
TableName | String | 数据表名 |
CurrentEngine | String | 存储引擎 |
AdviseEngine | Sting | 建议存储引擎 to abs:统一设置为InnoDB |
请求示例:
https://rds.aliyuncs.com/?Action=DescribeOptimizeAdviceOnStorage
&DBInstanceId=riauvjz6zajfiq6ba1370329449201
&<公共请求参数>
返回示例:
XML格式:
<DescribeOptimizeAdviceOnStorageResponse>
<RequestId>08A3B71B-FE08-4B03-974F-CC7EA6DB1828</RequestId>
<TotalRecordCount>1</TotalRecordCount>
<PageNumber>1</PageNumber>
<PageRecordCount>1<PageRecordCount>
<Items>
<AdviceOnStorage>
<DBName>DBTest11</DBName>
<TableName>Tabletest12</TableName>
<CurrentEngine>MyIsam</CurrentEngine>
<AdviseEngine>Innodb</AdviseEngine>
</AdviceOnStorage>
</Items>
</DescribeOptimizeAdviceOnStorageResponse>
JSON格式:
{
"PageNumber":1,
"TotalRecordCount":1,
"PageRecordCount":1
"Items": {
"AdviceOnStorage ": [
{
"DBName":"DBTest11"
"TableName":"Tabletest12"
"CurrentEngine":"MyIsam"
"AdviseEngine":"Innodb"
}
]
},
"RequestId":"08A3B71B-FE08-4B03-974F-CC7EA6DB1828"
}
查看优化建议-大表检查:
描述:
说明:检查数据表大于2G的表
请求参数:
名称 | 类型 | 是否必须 | 描述 |
Action | String | 是 | 系统规定参数,取值:DescribeOptimizeAdviceOnBigTable |
DBInstanceId | String | 是 | 实例名 |
PageSize | Integer | 否 | 每页记录数,取值:30|50|100默认30 |
PageNumber | Integer | 否 | 页码,大于0,且不超过Integer的最大值;默认1 |
名称 | 类型 | 描述 |
TotalRecordCount | Integer | 总记录数 |
PageNumber | Integer | 页码 |
PageRecordCount | Integer | 本页SQL语句个数 |
Items | List<AdviceOnBigTable> | AdviceOnBigTable名称类型描述 |
DBName | String | 数据库名 |
TableName | String | 数据表名 |
TableSize | Long | 表大小(数据大小+索引大小),单位:Byte |
DataSize | Long | 数据大小,单位:Byte |
IndexSize | Long | 索引大小,单位:Byte |
请求示例:
https://rds.aliyuncs.com/?Action=DescribeOptimizeAdviceOnBigTable
&DBInstanceId=riauvjz6zajfiq6ba1370329449201
&<公共请求参数>
返回示例:
XML格式:
<DescribeOptimizeAdviceOnBigTableResponse>
<RequestId>089FD688-826C-4EAF-8E78-3C342AC5B398</RequestId>
<TotalRecordCount>1</TotalRecordCount>
<PageNumber>1</PageNumber>
<PageRecordCount>1<PageRecordCount>
<Items>
<AdviceOnBigTable>
<DBName>DBTest11</DBName>
<TableName>Tabletest12</TableName>
<TableSize>10485760</TableSize>
<DataSize>7000000</DataSize>
<IndexSize>3495253</IndexSize>
</AdviceOnBigTable>
</Items>
</DescribeOptimizeAdviceOnBigTableResponse>
JSON格式:
{
"PageNumber":1,
"TotalRecordCount":1,
"PageRecordCount":1
"Items": {
"AdviceOnBigTable": [
{
"DBName":"DBTest11"
"TableName":"Tabletest12"
"TableSize":10485760
"DataSize":7000000
"IndexSize":3495253
}
]
},
"RequestId":"0089FD688-826C-4EAF-8E78-3C342AC5B398"
}
查看优化建议-主键检查:
描述:
说明:检查数据库中没有创建主键的表
请求参数:
名称 | 类型 | 是否必须 | 描述 |
Action | String | 是 | 系统规定参数,取值:DescribeOptimizeAdviceOnMissPK |
DBInstanceId | String | 是 | 实例名 |
Pagesize | Integer | 否 | 每页记录数,取值:30|50|100默认30 |
PageNumber | Integer | 否 | 页码,大于0,且不超过Integer的最大值;默认1 |
名称 | 类型 | 描述 |
TotalRecordCount | Integer | 总记录数 |
PageNumber | Integer | 页码 |
PageRecordCount | Integer | 本页SQL语句个数 |
Items | List<AdviceOnMissPK> |
名称 | 类型 | 描述示例 |
DBName | String | 数据库名 |
TableName | String | 数据表名 |
请求示例:
https://rds.aliyuncs.com/?Action=DescribeOptimizeAdviceOnMissPK
&DBInstanceId=riauvjz6zajfiq6ba1370329449201
&<公共请求参数>
返回示例:
XML格式:
<DescribeOptimizeAdviceOnMissPKResponse>
<RequestId>E3D70B63-BD54-481C-A669-3720FF436EF6</RequestId>
<TotalRecordCount>1</TotalRecordCount>
<PageNumber>1</PageNumber>
<PageRecordCount>1<PageRecordCount>
<Items>
<AdviceOnMissPK>
<DBName>DBTest11</DBName>
<TableName>Tabletest12</TableName>
</AdviceOnMissPK>
</Items>
</DescribeOptimizeAdviceOnMissPKResponse>
JSON格式:
{
"PageNumber":1,
"TotalRecordCount":1,
"PageRecordCount":1
"Items": {
"AdviceOnMissPK": [
{
"DBName":"DBTest11"
"TableName":"Tabletest12"
}
]
},
"RequestId":" E3D70B63-BD54-481C-A669-3720FF436EF6"
}
查看优化建议-索引过多:
描述:
说明:根据RDS的运行情况,系统将提示哪些数据库表中的索引偏多,建议用户修改表结构。
请求参数:
名称 | 类型 | 是否必须 | 描述 |
Action | String | 是 | 系统规定参数,取值:DescribeOptimizeAdviceOnExcessIndex |
DBInstanceId | String | 是 | 实例名 |
Pagsize | Integer | 否 | 每页记录数,取值:30|50|100默认30 |
PageNumber | Integer | 否 | 页码,大于0,且不超过Integer的最大值;默认1 |
名称 | 类型 | 描述 |
TotalRecordCount | Integer | 总记录数 |
PageNumber | Integer | 页码 |
PageRecordCount | Integer | 本页SQL语句个数 |
Items | List< AdviceOnExcessIndex > | AdviceOnExcessIndex名称类型描述 |
DBName | String | 数据库名 |
TableName | String | 数据表名 |
IndexCount | Integer | 数据表索引个数 |
请求示例:
https://rds.aliyuncs.com/?Action=DescribeOptimizeAdviceOnExcessIndex
&DBInstanceId=riauvjz6zajfiq6ba1370329449201
&<公共请求参数>
返回示例:
XML格式:
<DescribeOptimizeAdviceOnExcessIndexResponse>
<RequestId>B873F269-26F1-43BA-9D43-589A332092B8</RequestId>
<TotalRecordCount>1</TotalRecordCount>
<PageNumber>1</PageNumber>
<PageRecordCount>1<PageRecordCount>
<Items>
<AdviceOnExcessIndex>
<DBName>DBTest11</DBName>
<TableName>Tabletest12</TableName>
<IndexCount>9</IndexCount>
</AdviceOnExcessIndex>
</Items>
</DescribeOptimizeAdviceOnExcessIndexResponse>
JSON格式:
{
"PageNumber":1,
"TotalRecordCount":1,
"PageRecordCount":1
"Items": {
"AdviceOnExcessIndex": [
{
"DBName":"DBTest11"
"TableName":"Tabletest12"
"IndexCount":9
}
]
},
"RequestId":" B873F269-26F1-43BA-9D43-589A332092B8 "
}
查看优化建议-缺失索引:
描述:
说明:根据RDS的SQL语句运行情况及性能,系统将提示缺失索引的数据库表,并提示添加索引的SQL语句。
请求参数:
名称 | 类型 | 是否必须 | 描述 |
Action | String | 是 | 系统规定参数,取值:DescribeOptimizeAdviceOnMissIndex |
DBInstanceId | String | 是 | 实例名 |
Pagesize | Integer | 否 | 每页记录数,取值:30|50|100|默认30 |
PageNumber | Integer | 否 | 页码,大于0,且不超过Integer的最大值;默认1 |
名称 | 类型 | 描述 |
TotalRecordCount | Integer | 总记录数 |
PageNumber | Integer | 页码 |
PageRecordCount | Integer | 本页SQL语句个数 |
Items | List<AdviceOnMissIndex> |
名称 | 类型 | 描述 |
DBName | String | 数据库名 |
TableName | String | 数据表名 |
QueryColumn | String | 缺失索引的查询列 |
SQLText | String | 推荐创建索引的SQL语句 |
请求示例:
https://rds.aliyuncs.com/?Action=DescribeOptimizeAdviceOnMissIndex
&DBInstanceId=riauvjz6zajfiq6ba1370329449201
&<公共请求参数>
返回示例:
XML格式:
<DescribeOptimizeAdviceOnMissIndexResponse>
<RequestId>08A3B71B-FE08-4B03-974F-CC7EA6DB1828</RequestId>
<TotalRecordCount>1</TotalRecordCount>
<PageNumber>1</PageNumber>
<PageRecordCount>1<PageRecordCount>
<Items>
<AdviceOnMissIndex>
<DBName>DBTest11</DBName>
<TableName>Tabletest12</TableName>
<QueryColumn>nickname</QueryColumn>
<SQLText>Alter table Tabletest12 add INDEX index_nickname(niakname)</SQLText>
</AdviceOnMissIndex>
</Items>
</DescribeOptimizeAdviceOnMissIndexResponse>
JSON格式:
{
"PageNumber":1,
"TotalRecordCount":1,
"PageRecordCount":1
"Items": {
"AdviceOnMissIndex": [
{
"DBName":"DBTest11"
"TableName":"Tabletest12"
"QueryColumn":"nickname"
"SQLText":"Altertable Tabletest12 add INDEX index_nickname(niakname) "
}
]
},
"RequestId":"08A3B71B-FE08-4B03-974F-CC7EA6DB1828"
}
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