This topic describes the r5 and r6 memory optimized instance families, re4 memory optimized instance family with enhanced performance, re4e memory optimized instance family with enhanced performance, se1ne memory optimized instance family with enhanced network performance, and se1 memory optimized instance family and lists their instance types.

r6, memory optimized instance family

Features
  • Provides predictable stable and high performance and reduces virtualization overheads with the use of the X-Dragon architecture
  • I/O optimized
  • Supports enhanced SSDs, standard SSDs, and ultra disks
  • Ultra high packet forwarding rate
  • Equipped with 2.5 GHz Second Generation Intel ® Xeon ® Scalable processors, up to 3.2 GHz Turbo Boost
  • Provides strong network performance with large computing capacity
  • Does not support instance upgrades or downgrades
  • Suitable for the following scenarios:
    • Scenarios where large volumes of packets are received and transmitted, such as bullet screen and re-transmission of telecommunication information
    • High-performance and in-memory databases
    • Data analysis and mining, and distributed memory cache
    • Hadoop, Spark, and other memory-intensive enterprise applications
Instance types
Instance type vCPU Memory (GiB) Local storage (GiB) Base bandwidth (Gbit/s) Burstable bandwidth (Gbit/s) Packet forwarding rate (Kpps) IPv6 support NIC queue ENI Private IP address of a single ENI Disk IOPS Disk bandwidth (Gbit/s)
ecs.r6.large 2 16.0 N/A 1.0 3.0 300 Yes 2 2 6 10,000 1
ecs.r6.xlarge 4 32.0 N/A 1.5 5.0 500 Yes 4 3 10 20,000 1.5
ecs.r6.2xlarge 8 64.0 N/A 2.5 8.0 800 Yes 8 4 10 25,000 2
ecs.r6.3xlarge 12 96.0 N/A 4.0 10.0 900 Yes 8 6 10 30,000 2.5
ecs.r6.4xlarge 16 128.0 N/A 5.0 10.0 1,000 Yes 8 8 20 40,000 3
ecs.r6.6xlarge 24 192.0 N/A 7.5 10.0 1,500 Yes 12 8 20 50,000 4
ecs.r6.8xlarge 32 256.0 N/A 10.0 N/A 2,000 Yes 16 8 20 60,000 5
ecs.r6.13xlarge 52 384 N/A 12.5 N/A 3,000 Yes 32 7 20 100,000 8
ecs.r6.26xlarge 104 768.0 N/A 25.0 N/A 6,000 Yes 32 15 20 200,000 16
Note

r5, memory optimized instance family

Features
  • I/O optimized
  • Supports enhanced SSDs, standard SSDs, and ultra disks
  • Ultra high packet forwarding rate
  • Equipped with 2.5 GHz Intel ® Xeon ® Platinum 8163 (Skylake) processors
  • Provides strong network performance with large computing capacity
  • Suitable for the following scenarios:
    • Scenarios where large volumes of packets are received and transmitted, such as bullet screen and re-transmission of telecommunication information
    • High-performance and in-memory databases
    • Data analysis and mining, and distributed memory cache
    • Hadoop, Spark, and other memory-intensive enterprise applications
Instance types
Instance type vCPU Memory (GiB) Local storage (GiB) Bandwidth (Gbit/s) Packet forwarding rate (Kpps) IPv6 support NIC queue ENI Private IP address of a single ENI
ecs.r5.large 2 16.0 N/A 1.0 300 Yes 2 2 6
ecs.r5.xlarge 4 32.0 N/A 1.5 500 Yes 2 3 10
ecs.r5.2xlarge 8 64.0 N/A 2.5 800 Yes 2 4 10
ecs.r5.3xlarge 12 96.0 N/A 4.0 900 Yes 4 6 10
ecs.r5.4xlarge 16 128.0 N/A 5.0 1,000 Yes 4 8 20
ecs.r5.6xlarge 24 192.0 N/A 7.5 1,500 Yes 6 8 20
ecs.r5.8xlarge 32 256.0 N/A 10.0 2,000 Yes 8 8 20
ecs.r5.16xlarge 64 512.0 N/A 20.0 4,000 Yes 16 8 20
Note

re4, memory optimized instance family with enhanced performance

Features
  • I/O optimized
  • Supports standard SSDs and ultra disks
  • Optimized for high-performance databases, in-memory databases, and other memory-intensive enterprise applications
  • Equipped with 2.2 GHz Intel ® Xeon ® E7 8880 v4 (Broadwell) processors, up to 2.4 GHz Turbo Boost
  • CPU-to-memory ratio of 1:12, up to 1920.0 GiB memory
  • ecs.re4.20xlarge and ecs.re4.40xlarge have been certified by SAP HANA
  • Suitable for the following scenarios:
    • High-performance databases and in-memory databases (for example, SAP HANA)
    • Memory-intensive applications
    • Big data processing engines such as Apache Spark or Presto
Instance types
Instance type vCPU Memory (GiB) Local storage (GiB) Bandwidth (Gbit/s) Packet forwarding rate (Kpps) IPv6 support NIC queue ENI Private IP address of a single ENI
ecs.re4.20xlarge 80 960.0 N/A 15.0 2,000 Yes 16 8 20
ecs.re4.40xlarge 160 1920.0 N/A 30.0 4,500 Yes 16 8 20
Note

re4e, memory optimized instance family with enhanced performance

Features
  • I/O optimized
  • Supports standard SSDs and ultra disks
  • Optimized for high-performance databases, in-memory databases, and other memory-intensive enterprise applications
  • Equipped with 2.2 GHz Intel ® Xeon ® E7 8880 v4 (Broadwell) processors, up to 2.4 GHz Turbo Boost
  • CPU-to-memory ratio of 1:24, up to 3840.0 GiB memory
  • Suitable for the following scenarios:
    • High-performance databases and in-memory databases (for example, SAP HANA)
    • Memory-intensive applications
    • Big data processing engines such as Apache Spark or Presto
Instance types
Instance type vCPU Memory (GiB) Local storage (GiB) Bandwidth (Gbit/s) Packet forwarding rate (Kpps) IPv6 support NIC queue ENI Private IP address of a single ENI
ecs.re4e.40xlarge 160 3840.0 N/A 30.0 4,500 Yes 16 15 20
Note

se1ne, memory optimized instance family with enhanced network performance

Features
  • I/O optimized
  • Supports standard SSDs and ultra disks
  • CPU-to-memory ratio of 1:8
  • Ultra high packet forwarding rate
  • Equipped with 2.5 GHz Intel ® Xeon ® E5-2682 v4 (Broadwell) or Platinum 8163 (Skylake) processors
  • Provides strong network performance with large computing capacity
  • Suitable for the following scenarios:
    • Scenarios where large volumes of packets are received and transmitted, such as bullet screen and re-transmission of telecommunication information
    • High-performance and in-memory databases
    • Data analysis and mining, and distributed memory cache
    • Hadoop, Spark, and other memory-intensive enterprise applications
Instance types
Instance type vCPU Memory (GiB) Local storage (GiB) Bandwidth (Gbit/s) Packet forwarding rate (Kpps) IPv6 support NIC queue ENI Private IP address of a single ENI
ecs.se1ne.large 2 16.0 N/A 1.0 300 Yes 2 2 6
ecs.se1ne.xlarge 4 32.0 N/A 1.5 500 Yes 2 3 10
ecs.se1ne.2xlarge 8 64.0 N/A 2.0 1,000 Yes 4 4 10
ecs.se1ne.3xlarge 12 96.0 N/A 2.5 1,300 Yes 4 6 10
ecs.se1ne.4xlarge 16 128.0 N/A 3.0 1,600 Yes 4 8 20
ecs.se1ne.6xlarge 24 192.0 N/A 4.5 2,000 Yes 6 8 20
ecs.se1ne.8xlarge 32 256.0 N/A 6.0 2,500 Yes 8 8 20
ecs.se1ne.14xlarge 56 480.0 N/A 10.0 4,500 Yes 14 8 20
Note

se1, memory optimized instance family

Features
  • I/O optimized
  • Supports standard SSDs and ultra disks
  • CPU-to-memory ratio of 1:8
  • Equipped with 2.5 GHz Intel ® Xeon ® E5-2682 v4 (Broadwell) processors
  • Provides strong network performance with large computing capacity
  • Suitable for the following scenarios:
    • High-performance and in-memory databases
    • Data analysis and mining, and distributed memory cache
    • Hadoop, Spark, and other memory-intensive enterprise applications
Instance types
Instance type vCPU Memory (GiB) Local storage (GiB) Bandwidth (Gbit/s) Packet forwarding rate (Kpps) IPv6 support NIC queue ENI Private IP address of a single ENI
ecs.se1.large 2 16.0 N/A 0.5 100 No 1 2 6
ecs.se1.xlarge 4 32.0 N/A 0.8 200 No 1 3 10
ecs.se1.2xlarge 8 64.0 N/A 1.5 400 No 1 4 10
ecs.se1.4xlarge 16 128.0 N/A 3.0 500 No 2 8 20
ecs.se1.8xlarge 32 256.0 N/A 6.0 800 No 3 8 20
ecs.se1.14xlarge 56 480.0 N/A 10.0 1,200 No 4 8 20
Note