UCloud memory-based cloud host, high cost performance, large memory, low latency, Intel® Optane™

Introduction to UCloud Kuaijie memory cloud host

UCloud has launched a new large-capacity memory Kuaijie cloud host product based on the Kuaijie cloud host product architecture and equipped with Intel® Optane™ persistent memory (PMem): Kuaijie memory type. Optane™ Persistent Memory (PMem) uses innovative memory technology to bridge the storage gap between DRAM and block devices. UCloud takes advantage of its cost-effective large-capacity memory to create a Kuaijie memory-based cloud host that will accelerate the digital development process of enterprises with increasingly rapid business growth.

View details: Kuaijie memory cloud host-UCloud neutral cloud computing

• CPU uses DRAM as cache for PMem
• Adopts memory mode to provide large memory capacity without changing the application
• PMem is cheaper than DRAM and has high cost performance
• Performance is slightly worse than DRAM, specific performance depends on workload
• Virtual machines are not aware of PMem, and users have no learning and usage costs
• The latency is higher and is only close to DRAM latency in certain scenarios

UCloud Kuaijie memory cloud host has excellent performance

Based on Kuaijie cloud host product architecture, using Intel's third-generation Xeon® Platinum scalable processor IceLake (Platinum 8358P), the maximum acceleration clock frequency can reach 3.40GHz, using 6 DDR channels and supporting DDR4-2933 speed, a single Socket provides 48 PCIe Gen3 lanes.

Ice Lake has a 38% to 52% performance improvement compared to Cascade Lake. Reduce latency by increasing cache (Cache) size, memory channel number and bandwidth, and IO rates of PCIe and UPI. New feature SGX.

• 10 nm leading process technology
• 10 GB single EIP maximum bandwidth
• 10 million PPS network maximum packet volume (using network enhancement 2.0 technology)
• 1.2 million IOPS storage performance (equipped with RSSD cloud disk)

UCloud Kuaijie memory cloud host application scenarios

In some specific application scenarios (such as in-memory databases with high cache hit rates, KV databases, etc.), Kuaijie memory type has similar PMem latency to DRAM and can play a greater role.

• In-memory databases such as Redis and Memcached
• Container server improves the deployment density of containers on a single machine
• KeyValue DB is generally a user-developed application, directly providing a large memory environment, and the index can be directly cached and hit
• Recommendation system, used in index server, parameter server, etc.

UCloud Kuaijie memory cloud host price comparison

Intel® Optane™ Persistent Memory (PMem) has a large single memory capacity and is cheaper per unit capacity than DRAM. The memory price of Kuijie memory type has dropped by 41% compared with the price of other Kuijie series in the same period last year. The overall price of virtual machines has also dropped significantly. For application scenarios with large memory requirements, it has a certain price advantage over other Kuijie O-type products.

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