High I/O IT5 High I/O IT3 instances, based on NVMe SSD instance storage, are designed for I/O-intensive workloads. They come with the storage resources featuring low latency, super high IOPS and high throughput. They offer an IOPS of up to 1.8 million and a throughput reaching up to 11 GB/s, allowing for an ultra high IOPS at a low cost. This instance type is suitable for I/O-intensive workloads such as high performance relational databases, Elasticsearch, etc. IT3 instances feature inexpensive and intensive storage, providing higher IOPS and larger private network bandwidth for each CPU core. Note: High I/O IT3 instances are currently only available to beta users. Contact your account manager if you wish to purchase these instances. Application Scenarios High-performance databases, NoSQL databases (e.g. MongoDB), and clustered databases

I/O intensive applications that require low latency, such as online transaction processing (OLTP) systems, and Elasticsearch. Features 2.5 GHz Intel Xeon® Skylake 6133 processors with stable computing performance

The latest generation of 6-channel DDR4 memory

Supports up to 23 Gbps of private network bandwidth to meet extremely high private network transmission requirements

NVMe SSD is used for instance storage, offering low latency and ultra-high IOPS Up to 620,000 (4 KB block size) random read IOPS, and up to 2.9 GB/s (128 KB block size) sequential read throughout for a single disk Up to 1.8 million (4 KB block size) random read IOPS, and up to 11 GB/s (128 KB block size) sequential read throughout for a CVM.

Requirements IT3 instances use local disks as data disks, which may lead to a risk of data loss (in case of host crash). If your application does not have a data reliability architecture, we strongly recommend choosing instances using cloud disks as data disks. If the local disk is damaged, you will need to shut down the CVM instance for us to replace the local disk. We will notify you and perform fixes if the CVM instance crashes.

If Agent has not been installed, your CVM instance cannot be monitored. You will not receive a notification if the CVM instance fails, which is very risky. For more information on installing Agent, see Installing CVM Agents.

IT3 instances are pay-as-you-go.

IT3 instances can only be launched in a VPC.

The configuration of IT3 instances cannot be changed.

Configuration purchase is available for IT3 instances. Please see the instance specifications below. Back to Top