Last month we informed you that we have moved to the new generation of Cloud Servers; Cloud Flash. These new Cloud servers are equipped with Flash disks, i.e. NVMe disks, which provide a remarkable improvement in speed, performance, power and efficiency compared to their predecessors that used SSD disks. If you missed the news, you can read it by clicking here.
We want to take this opportunity to show you that the new Cloud servers significantly outperform their predecessors. To support this claim, we have conducted extensive performance tests, detailing and comparing CPU, RAM and HDD performance between the new Cloud server with NVMe (Flash) disks and its predecessor, known as Cloud One, equipped with SSD disks. Having said that, let's get started!
info IMPORTANT: The performance test results graph is located at the bottom of the page, just before the "Conclusion" section.
The CPU (Central Processing Unit) is the brain of any server, responsible for performing calculations and processing data. The “Time to calculate 2000 prime numbers” metric focuses on measuring the CPU's ability to perform events in 1 second. A higher number of events per second indicates greater efficiency and processing speed.
The result of this test has a direct impact on the server's responsiveness to math intensive operations, which is essential for agile performance in fast processing scenarios such as high-demand applications and complex calculations.
In the graph, the new Cloud Flash server stands out with 780 events per second, significantly outperforming the old Cloud One server with SSD disks, which achieves 323 events per second. This contrast shows not only that the performance of the current Cloud is twice as fast, but also that it is more efficient at handling intensive operations.
RAM (Random Access Memory) is the server's temporary workspace, where data is temporarily stored while it is being processed. The “Memory I/O Bandwidth (MEMCOPY)” metric indicates the amount in megabytes (MB) that RAM can read, copy, or write in one second. In other words, it describes how quickly data is transferred in memory.
With this in mind, if we examine the graph, we can see that the new Cloud server has an amazing capacity to read, copy or write at a speed of 4794 MB per second. In contrast, the old Cloud One server, equipped with SSD disks, reaches a speed of 2374 MB per second. This means that the new Cloud has a data transfer rate that is twice as fast as its predecessor, ensuring that operations run extremely smoothly.
Hard disk drive (HDD) performance tests are critical to understanding the processing and handling of stored information. They go further by revealing the disk's response to various operations, such as reading stored data or transferring data from disk to buffer. In this particular analysis, we focus on the metrics: “Timing cached MB reads per second”, “Timing buffered disk MB reads per second”, and “Timing write MB per second”.
The metric “Timing cached MB reads per second” evaluates the speed at which data is read from the disk cache and indicates the efficiency at which recently used data is accessed. Specifically, it measures the number of MBs in the cache that the disk can read in 1 second. In the graph, the new Cloud server with NVMe disks outperforms the old server by achieving 9624 MB of cache reads per second, compared to 6247 MB for the old server. This result highlights the improved efficiency of Cloud Flash for agile data access.
The next metric considered is "Timing buffered disk MB reads per second", which measures the speed at which data is read from disk to buffer, quantifying the efficiency of data transfer between these two points. Specifically, it shows the amount of data in MB that the disk can transfer to the buffer in 1 second. In the graphical analysis, the new Cloud server provides three times more efficient disk to buffer transfer. This increased efficiency translates into optimized read performance, achieving a transfer rate of 350 MB per second compared to 128 MB per second for the previous Cloud.
Finally, "Timing write MB per second" quantifies the speed at which data is written to disk, i.e. it evaluates how many MB can be written to disk in one second. It also reflects the efficiency of the disk in accepting and storing new data. Looking at the graph, it is confirmed that the Cloud Flash server significantly optimizes writing to disk compared to the old server with SSD disks. With a write speed of 360 MB per second, it outperforms the 203 MB per second of the previous server's SSD disks. This is critical for operations that require continuous data writing.
After these performance tests, we can 100% confirm that the new Cloud Flash server equipped with NVMe disks outperforms the old one in all performance metrics. With twice the CPU speed, more efficient RAM, and a disk that processes data three times faster, it is a formidable choice for cloud operations that demand maximum performance and efficiency in data access.
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