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Amazon EMR 终端节点和配额
以下是此服务的服务终端节点和服务配额。要通过编程方式连接到 AWS 服务，您需要使用终端节点。除了标准 AWS 终端节点之外，一些 AWS 服务还在选定区域提供 FIPS 终端节点。有关更多信息，请参阅 AWS 服务终端节点。服务配额（也称为限制）是您的 AWS 账户使用的服务资源或操作的最大数量。有关更多信息，请参阅AWS 服务配额。
服务终端节点
| 区域名称 | 区域 | 终端节点 | 协议 |
|---|---|---|---|
| 美国东部 (俄亥俄) | us-east-2 |
elasticmapreduce.us-east-2.amazonaws.com elasticmapreduce-fips.us-east-2.amazonaws.com |
HTTPS HTTPS |
| 美国东部 (弗吉尼亚北部) | us-east-1 |
elasticmapreduce.us-east-1.amazonaws.com elasticmapreduce-fips.us-east-1.amazonaws.com |
HTTPS HTTPS |
| 美国西部 (加利福尼亚北部) | us-west-1 |
elasticmapreduce.us-west-1.amazonaws.com elasticmapreduce-fips.us-west-1.amazonaws.com |
HTTPS HTTPS |
| 美国西部 (俄勒冈) | us-west-2 |
elasticmapreduce.us-west-2.amazonaws.com elasticmapreduce-fips.us-west-2.amazonaws.com |
HTTPS HTTPS |
| 非洲（开普敦） | af-south-1 | elasticmapreduce.af-south-1.amazonaws.com | HTTPS |
| 亚太区域 (香港) | ap-east-1 | elasticmapreduce.ap-east-1.amazonaws.com | HTTPS |
| 亚太区域 (孟买) | ap-south-1 | elasticmapreduce.ap-south-1.amazonaws.com | HTTPS |
| 亚太区域(大阪本地) | ap-northeast-3 | elasticmapreduce.ap-northeast-3.amazonaws.com | HTTPS |
| 亚太区域 (首尔) | ap-northeast-2 | elasticmapreduce.ap-northeast-2.amazonaws.com | HTTPS |
| 亚太地区 (新加坡) | ap-southeast-1 | elasticmapreduce.ap-southeast-1.amazonaws.com | HTTPS |
| 亚太地区 (悉尼) | ap-southeast-2 | elasticmapreduce.ap-southeast-2.amazonaws.com | HTTPS |
| 亚太地区 (东京) | ap-northeast-1 | elasticmapreduce.ap-northeast-1.amazonaws.com | HTTPS |
| 加拿大（中部) | ca-central-1 |
elasticmapreduce.ca-central-1.amazonaws.com elasticmapreduce-fips.ca-central-1.amazonaws.com |
HTTPS HTTPS |
| 中国 (北京) | cn-north-1 | elasticmapreduce.cn-north-1.amazonaws.com.cn | HTTPS |
| 中国（宁夏） | cn-northwest-1 | elasticmapreduce.cn-northwest-1.amazonaws.com.cn | HTTPS |
| 歐洲 (法蘭克福) | eu-central-1 | elasticmapreduce.eu-central-1.amazonaws.com | HTTPS |
| 歐洲 (愛爾蘭) | eu-west-1 | elasticmapreduce.eu-west-1.amazonaws.com | HTTPS |
| 歐洲 (倫敦) | eu-west-2 | elasticmapreduce.eu-west-2.amazonaws.com | HTTPS |
| 「歐洲」(米蘭) | eu-south-1 | elasticmapreduce.eu-south-1.amazonaws.com | HTTPS |
| 歐洲 (巴黎) | eu-west-3 | elasticmapreduce.eu-west-3.amazonaws.com | HTTPS |
| 歐洲 (斯德哥爾摩) | eu-north-1 | elasticmapreduce.eu-north-1.amazonaws.com | HTTPS |
| 中东 (巴林) | me-south-1 | elasticmapreduce.me-south-1.amazonaws.com | HTTPS |
| 南美洲 (圣保罗) | sa-east-1 | elasticmapreduce.sa-east-1.amazonaws.com | HTTPS |
| AWS GovCloud (美国) 东部 | us-gov-east-1 |
elasticmapreduce.us-gov-east-1.amazonaws.com elasticmapreduce.us-gov-east-1.amazonaws.com |
HTTPS HTTPS |
| AWS GovCloud (美国西部) | us-gov-west-1 |
elasticmapreduce.us-gov-west-1.amazonaws.com elasticmapreduce.us-gov-west-1.amazonaws.com |
HTTPS HTTPS |
如果您指定了通用终端节点 (elasticmapreduce.amazonaws.com)，Amazon EMR 会将您的请求转至默认区域中的终端节点。对于 2013 年 3 月 8 日或之后创建的账户而言，默认区域是 us-west-2；对于较早的账户而言，默认区域是 us-east-1。
Service Quotas
| 资源 | 默认值 |
|---|---|
|
每个 AWS 账户的集群数 |
500 |
|
每个集群的实例数 |
适用于按需实例、Spot 实例和预留实例的Amazon EC2 配额。有关更多信息，请参阅 Amazon EC2 的服务配额。 |
|
每个集群实例的 Amazon EBS 卷数 |
25 |
|
每个集群的 Amazon EMR 笔记本数 |
视主节点实例类型而定。有关更多信息，请参阅 Amazon EMR 管理指南 中的每个集群的笔记本限制。 |
Amazon EMR 基于每个区域限制每个 AWS 账户的以下 API 请求。有关如何应用限制的更多信息，请参阅 Amazon EC2 API Reference 中的 API 请求限制。您可以请求增加您的 AWS 账户的 API 限制配额。要请求配额调整，请使用 AWS Support Center
| API 操作 | 存储桶最大容量 | 存储桶重填速率（每秒） |
|---|---|---|
|
|
20 |
0.2 |
|
|
10 |
0.5 |
|
|
10 |
0.5 |
|
|
10 |
0.5 |
|
|
5 |
0.2 |
|
|
5 |
0.2 |
|
|
5 |
0.2 |
|
|
5 |
0.2 |
|
|
20 |
0.5 |
|
|
10 |
1.0 |
|
|
10 |
0.5 |
|
|
10 |
0.5 |
|
|
5 |
0.5 |
|
|
5 |
0.5 |
|
|
10 |
0.5 |
|
|
5 |
0.5 |
|
|
5 |
0.5 |
|
在 AWS 账户级别，上面列出的所有 API 操作总和的存储桶最大容量和重填速率 |
25 |
5 |