如果您发现实例规格不能满足或者超出应用需求时，可以先参考本文查看实例支持的变配情况，然后再更改实例规格（包括vCPU和内存），支持升配和降配。具体操作请参见变更按量计费实例规格、变更包年包月实例规格。
不可变更的实例类型
以下类型的实例不支持变配：
可变更的实例类型
除以上不可变更的实例外，其余类型的实例本身支持变配，但能变配到的目标规格族各有不同，详见下表。
| 系统架构类型 | 原规格族 | 目标规格族 |
|---|
X86计算 | g3i、c3i、r3i | - g3i、c3i、r3i
- g3il、c3il、r3il
- hfg3il、hfc3il、hfr3il、hfr3i
- g3ine
|
| g3a、c3a、r3a | g3a、c3a、r3a |
g3il、c3il、r3il | - g3il、c3il、r3il、re3il
- hfg3il、hfc3il、hfr3il
|
| re3il | g3il、c3il、r3il、re3il |
| g3al、c3al、r3al | g3al、c3al、r3al |
| g3ilt | g3ilt |
g2i | s2 t2 g2ine g2i、c2i、r2i g2a、c2a、r2a hfg2、hfc2、hfr2 g3i、c3i、r3i 说明 g2i如需变更为g3i、c3i、r3i，需满足以下条件： g3il、c3il、r3il、re3il
|
c2i、r2i | g2ine s2 g2i、c2i、r2i g2a、c2a、r2a hfg2、hfc2、hfr2 g3i、c3i、r3i 说明 c2i/r2i如需变更为g3i、c3i、r3i，需满足以下条件。 g3il、c3il、r3il、re3il
|
g2a、c2a、r2a | g2a、c2a、r2a g2i、c2i、r2i s2 g3al、c3al、r3al
|
g3ine | - g3ine、g2ine
- g3i、c3i、r3i
- hfr3i
|
g2ine | g3ine、g2ine s2 g2i、c2i、r2i hfg2、hfc2、hfr2
|
hfr3i | hfr3i g3i、c3i、r3i g3ine hfg3il、hfc3il、hfr3il 说明 hfr3i如需变更为hfg3il、hfc3il、hfr3il，请联系客户经理申请。
|
hfg3il、hfc3il、hfr3il | - g3il、c3il、r3il
- hfg3il、hfc3il、hfr3il
- hfr3i
说明 hfg3il、hfc3il、hfr3il如需变更为hfr3i，需满足以下条件。
|
hfg2、hfc2、hfr2 | hfg3il、hfc3il、hfr3il g2ine s2 hfg2、hfc2、hfr2 g2i、c2i、r2i
|
g1ie | s2 t2 g2ine g1ie、c1ie、r1ie g2i、c2i、r2i hfg2、hfc2、hfr2 g3i、c3i、r3i 说明 g1ie如需变更为g3i、c3i、r3i，需满足以下条件。 g3il、c3il、r3il、re3il
|
c1ie、r1ie | g2ine s2 g1ie、c1ie、r1ie g2i、c2i、r2i hfg2、hfc2、hfr2 g3i、c3i、r3i 说明 c1ie/r1ie如需变更为g3i、c3i、r3i，需满足以下条件。 g3il、c3il、r3il、re3il
|
t2 | t2 g3ine、g2ine g1ie、c1ie、r1ie g2i、c2i、r2i g2a、c2a、r2a
|
s2 | s2 g3ine、g2ine g1ie、c1ie、r1ie g2i、c2i、r2i g2a、c2a、r2a hfg2、hfc2、hfr2
|
弹性裸金属 | ebmg2i | - ebmhfc2i
- ebmg3id、ebmc3id、ebmr3id
说明 - ebmg2i如需变更为ebmg3id、ebmc3id、ebmr3id，请联系客户经理申请。
- 暂仅支持完成企业实名认证的账号使用本功能。个人认证如何升级为企业认证？
|
| ebmhfc2i | ebmg2i |
| 异构计算 | gni2 | gni2 |
| ini2 | ini2 |
| pni2 | pni2 |
| g1vc | g1vc |
| g1ve | g1ve |
| g1te | g1te |
| g1tl | g1tl |