本文為英文版的機器翻譯版本，如內容有任何歧義或不一致之處，概以英文版為準。 # Amazon OpenSearch Service 中支援的執行個體類型 Amazon OpenSearch Service 支援以下執行個體類型。並非所有區域皆支援所有執行個體類型。如需可用性詳細資訊，請參閱 [Amazon OpenSearch Service 定價](https://aws.amazon.com/opensearch-service/pricing/)。如需哪些執行個體適合用於您的使用案例之相關資訊，請參閱 [調整 Amazon OpenSearch Service 網域的大小](sizing-domains.md)、[EBS 磁碟區大小配額](limits.md#ebsresource) 與 [網路配額](limits.md#network-limits)。請注意，下列執行個體系列不支援 VPC 加密控制：T2、T3、R3、I3、C4、M4、R4、C5、M5、R5、C6g、M6g、R6g 和 R6gd。VPC Encryption Controls 是一項安全與合規功能，可讓您集中控制流量的加密狀態，協助您識別允許純文字通訊的資源，並最終為您提供機制，以強制執行區域內 VPC 內和跨 VPCs的傳輸中加密。若要進一步了解詳細資訊，請參閱 [ VPC Encryption Controls 文件。](https://docs.aws.amazon.com/vpc/latest/userguide/vpc-encryption-controls.html) ## 最新一代執行個體類型為了獲得最佳效能，我們建議您在建立新 OpenSearch Service 網域時使用下列執行個體類型。 | 執行個體類型 | 執行個體 | 限制 | | --- | --- | --- | | i4i | i4i.large.search
i4i.xlarge.search
i4i.2xlarge.search
i4i.4xlarge.search
i4i.8xlarge.search
i4i.12xlarge.search
i4i.16xlarge.search
i4i.24xlarge.search
i4i.32xlarge.search | i4i 執行個體類型需要 Elasticsearch 5.1 或更新版本或任何版本的 OpenSearch，且不支援 EBS 磁碟區儲存。 | | i7i | i7i.large.search
i7i.xlarge.search
i7i.2xlarge.search
i7i.4xlarge.search
i7i.8xlarge.search
i7i.12xlarge.search
i7i.16xlarge.search | i7i 執行個體類型需要 Elasticsearch 5.1 或更新版本或任何版本的 OpenSearch，且不支援 EBS 磁碟區儲存。 | | i8g | i8g.large.search
i8g.xlarge.search
i8g.2xlarge.search
i8g.4xlarge.search
i8g.8xlarge.search
i8g.12xlarge.search
i8g.16xlarge.search | i8g 執行個體類型需要 Elasticsearch 7.9 或更新版本或任何版本的 OpenSearch，且不支援 EBS 儲存磁碟區。 | | i8ge | i8ge.large.search
i8ge.xlarge.search
i8ge.2xlarge.search
i8ge.3xlarge.search
i8ge.6xlarge.search
i8ge.12xlarge.search
i8ge.18xlarge.search | i8ge 執行個體類型需要 Elasticsearch 7.9 或更新版本或任何版本的 OpenSearch，且不支援 EBS 儲存磁碟區。 | | Graviton3 | c7g.large.search
c7g.xlarge.search
c7g.2xlarge.search
c7g.4xlarge.search
c7g.8xlarge.search
c7g.12xlarge.search
c7g.16xlarge.search
m7g.medium.search
m7g.large.search
m7g.xlarge.search
m7g.2xlarge.search
m7g.4xlarge.search
m7g.8xlarge.search
m7g.12xlarge.search
m7g.16xlarge.search
r7g.medium.search
r7g.large.search
r7g.xlarge.search
r7g.2xlarge.search
r7g.4xlarge.search
r7g.8xlarge.search
r7g.12xlarge.search
r7g.16xlarge.search
r7gd.large.search
r7gd.xlarge.search
r7gd.2xlarge.search
r7gd.4xlarge.search
r7gd.8xlarge.search
r7gd.12xlarge.search
r7gd.16xlarge.search | Graviton3 僅支援 gp3 儲存。Graviton3 執行個體 (c7g、m7g、r7g) 支援所有 OpenSearch 版本和 Elasticsearch 7.9 和 7.10 版。 | | OR1 | `or1.medium.search`
`or1.large.search`
`or1.xlarge.search`
`or1.2xlarge.search`
`or1.4xlarge.search`
`or1.8xlarge.search`
`or1.12xlarge.search`
`or1.16xlarge.search` | [See the AWS documentation website for more details](http://docs.aws.amazon.com/zh_tw/opensearch-service/latest/developerguide/supported-instance-types.html) | | OR2 | `or2.medium.search`
`or2.large.search`
`or2.xlarge.search`
`or2.2xlarge.search`
`or2.4xlarge.search`
`or2.8xlarge.search `
`or2.12xlarge.search`
`or2.16xlarge.search` | [See the AWS documentation website for more details](http://docs.aws.amazon.com/zh_tw/opensearch-service/latest/developerguide/supported-instance-types.html) | | OM2 | `om2.large.search`
`om2.xlarge.search`
`om2.2xlarge.search`
`om2.4xlarge.search`
`om2.8xlarge.search`
`om2.12xlarge.search`
`om2.16xlarge.search` | [See the AWS documentation website for more details](http://docs.aws.amazon.com/zh_tw/opensearch-service/latest/developerguide/supported-instance-types.html) | | OI2 | `oi2.large.search`
`oi2.xlarge.search`
`oi2.2xlarge.search`
`oi2.4xlarge.search`
`oi2.8xlarge.search`
`oi2.12xlarge.search`
`oi2.16xlarge.search`
`oi2.24xlarge.search`
`oi2.32xlarge.search` | [See the AWS documentation website for more details](http://docs.aws.amazon.com/zh_tw/opensearch-service/latest/developerguide/supported-instance-types.html) | | Im4gn | `im4gn.large.search`
`im4gn.xlarge.search`
`im4gn.2xlarge.search`
`im4gn.4xlarge.search`
`im4gn.8xlarge.search`
`im4gn.16xlarge.search` | [See the AWS documentation website for more details](http://docs.aws.amazon.com/zh_tw/opensearch-service/latest/developerguide/supported-instance-types.html) | | T3 | `t3.small.search`
`t3.medium.search` | [See the AWS documentation website for more details](http://docs.aws.amazon.com/zh_tw/opensearch-service/latest/developerguide/supported-instance-types.html) | | c7i | `c7i.large.search`
`c7i.xlarge.search`
`c7i.2xlarge.search`
`c7i.4xlarge.search`
`c7i.8xlarge.search`
`c7i.12xlarge.search`
`c7i.16xlarge.search` | [See the AWS documentation website for more details](http://docs.aws.amazon.com/zh_tw/opensearch-service/latest/developerguide/supported-instance-types.html) | | m7i | `m7i.large.search`
`m7i.xlarge.search`
`m7i.2xlarge.search`
`m7i.4xlarge.search`
`m7i.8xlarge.search`
`m7i.12xlarge.search`
`m7i.16xlarge.search` | [See the AWS documentation website for more details](http://docs.aws.amazon.com/zh_tw/opensearch-service/latest/developerguide/supported-instance-types.html) | | r7i | `r7i.large.search`
`r7i.xlarge.search`
`r7i.2xlarge.search`
`r7i.4xlarge.search`
`r7i.8xlarge.search`
`r7i.12xlarge.search`
`r7i.16xlarge.search` | [See the AWS documentation website for more details](http://docs.aws.amazon.com/zh_tw/opensearch-service/latest/developerguide/supported-instance-types.html) | | c8g | `c8g.large.search`
`c8g.xlarge.search`
`c8g.2xlarge.search`
`c8g.4xlarge.search`
`c8g.8xlarge.search`
`c8g.12xlarge.search`
`c8g.16xlarge.search` | [See the AWS documentation website for more details](http://docs.aws.amazon.com/zh_tw/opensearch-service/latest/developerguide/supported-instance-types.html) | | m8g | `m8g.medium.search`
`m8g.large.search`
`m8g.xlarge.search`
`m8g.2xlarge.search`
`m8g.4xlarge.search`
`m8g.8xlarge.search`
`m8g.12xlarge.search`
`m8g.16xlarge.search` | [See the AWS documentation website for more details](http://docs.aws.amazon.com/zh_tw/opensearch-service/latest/developerguide/supported-instance-types.html) | | r8g | `r8g.medium.search`
`r8g.large.search`
`r8g.xlarge.search`
`r8g.2xlarge.search`
`r8g.4xlarge.search`
`r8g.8xlarge.search`
`r8g.12xlarge.search`
`r8g.16xlarge.search` | [See the AWS documentation website for more details](http://docs.aws.amazon.com/zh_tw/opensearch-service/latest/developerguide/supported-instance-types.html) | | r8gd | `r8gd.medium.search`
`r8gd.large.search`
`r8gd.2xlarge.search`
`r8gd.4xlarge.search`
`r8gd.8xlarge.search`
`r8gd.12xlarge.search`
`r8gd.16xlarge.search` | [See the AWS documentation website for more details](http://docs.aws.amazon.com/zh_tw/opensearch-service/latest/developerguide/supported-instance-types.html) | ## 上一代執行個體類型 OpenSearch Service 提供上一代的執行個體類型，適合已據此將應用程式最佳化且尚未升級的使用者。建議您使用最新一代的執行個體類型以獲得最佳效能，但我們仍會繼續支援下列上一代執行個體類型。 | 執行個體類型 | 執行個體 | 限制 | | --- | --- | --- | | C4 | `c4.large.search`
`c4.xlarge.search`
`c4.2xlarge.search`
`c4.4xlarge.search`
`c4.8xlarge.search` | | | I2 | `i2.xlarge.search`
`i2.2xlarge.search` | | | M3 | `m3.medium.search`
`m3.large.search`
`m3.xlarge.search`
`m3.2xlarge.search` | [See the AWS documentation website for more details](http://docs.aws.amazon.com/zh_tw/opensearch-service/latest/developerguide/supported-instance-types.html) | | M4 | `m4.large.search`
`m4.xlarge.search`
`m4.2xlarge.search`
`m4.4xlarge.search`
`m4.10xlarge.search` | | | R3 | `r3.large.search`
`r3.xlarge.search`
`r3.2xlarge.search`
`r3.4xlarge.search`
`r3.8xlarge.search` | R3 執行個體類型不支援靜態資料加密或精細存取控制。 | | R4 | `r4.large.search`
`r4.xlarge.search`
`r4.2xlarge.search`
`r4.4xlarge.search`
`r4.8xlarge.search`
`r4.16xlarge.search` | | | i4g | i4g.large.search
i4g.xlarge.search
i4g.2xlarge.search
i4g.4xlarge.search
i4g.8xlarge.search
i4g.16xlarge.search | i4g 執行個體類型需要 Elasticsearch 7.9 或更新版本或任何版本的 OpenSearch，且不支援 EBS 儲存磁碟區。 | | C5 | `c5.large.search`
`c5.xlarge.search`
`c5.2xlarge.search`
`c5.4xlarge.search`
`c5.9xlarge.search`
`c5.18xlarge.search` | C5 執行個體類型需要 Elasticsearch 5.1 或更新版本或任何版本的 OpenSearch。 | | C6g | `c6g.large.search`
`c6g.xlarge.search`
`c6g.2xlarge.search`
`c6g.4xlarge.search`
`c6g.8xlarge.search`
`c6g.12xlarge.search` | [See the AWS documentation website for more details](http://docs.aws.amazon.com/zh_tw/opensearch-service/latest/developerguide/supported-instance-types.html) | | I3 | `i3.large.search`
`i3.xlarge.search`
`i3.2xlarge.search`
`i3.4xlarge.search`
`i3.8xlarge.search`
`i3.16xlarge.search` | | | M5 | `m5.large.search`
`m5.xlarge.search`
`m5.2xlarge.search`
`m5.4xlarge.search`
`m5.12xlarge.search` | M5 執行個體類型需要 Elasticsearch 5.1 或更新版本或任何版本的 OpenSearch。 | | M6g | `m6g.large.search`
`m6g.xlarge.search`
`m6g.2xlarge.search`
`m6g.4xlarge.search`
`m6g.8xlarge.search`
`m6g.12xlarge.search` | [See the AWS documentation website for more details](http://docs.aws.amazon.com/zh_tw/opensearch-service/latest/developerguide/supported-instance-types.html) | | R5 | `r5.large.search`
`r5.xlarge.search`
`r5.2xlarge.search`
`r5.4xlarge.search`
`r5.12xlarge.search` | R5 執行個體類型需要 Elasticsearch 5.1 或更新版本或任何版本的 OpenSearch。 | | R6g | `r6g.large.search`
`r6g.xlarge.search`
`r6g.2xlarge.search`
`r6g.4xlarge.search`
`r6g.8xlarge.search`
`r6g.12xlarge.search` | [See the AWS documentation website for more details](http://docs.aws.amazon.com/zh_tw/opensearch-service/latest/developerguide/supported-instance-types.html) | | R6gd | `r6gd.large.search`
`r6gd.xlarge.search`
`r6gd.2xlarge.search`
`r6gd.4xlarge.search`
`r6gd.8xlarge.search`
`r6gd.12xlarge.search`
`r6gd.16xlarge.search` | [See the AWS documentation website for more details](http://docs.aws.amazon.com/zh_tw/opensearch-service/latest/developerguide/supported-instance-types.html) | | T2 | `t2.micro.search`
`t2.small.search`
`t2.medium.search` | [See the AWS documentation website for more details](http://docs.aws.amazon.com/zh_tw/opensearch-service/latest/developerguide/supported-instance-types.html) | **提示** 對於[專用主節點](managedomains-dedicatedmasternodes.md)及資料節點，我們經常建議使用不同的執行個體類型。