Cloud Mercato’s blog

  • Ampere X Oracle
    New CPU architecture at Oracle Cloud: VM.Standard.A1.Flex
    A decade before, no one was bidding on ARM architecture for server side. It is and was well established in the embebed and mobile systems but it was an odd idea to use it for any layer of a server application. We were able to see only it for some custom requirement such as testing of ARM …
  • AWS M5 / M5a / M6g Benchmak
    Amazon Web Services : M5 vs M5a vs M6g
    In other words Intel vs AMD vs ARM. AWS recently released Graviton series for all their main instance types: R6g with extended memory, C6g for compute optimized and M6g for general purpose. Their offering has always been based on Intel but in the past years we saw AMD and now with Graviton 2 making …
  • How to qualify Object Storage perf
    Understand Object storage by its performance
    Nowadays anyone who want to smartly store cool or cold data will be guided to an Object Storage solution.  This cloud model replaced a lot of usages such as our old FTP servers, our backup storage or static website hosting. The keywords here are “Low price”, “Scability”, …
  • New AWS C5a series
    New C5a benchmark: Performance/Price
    AWS recently released the new series C5a equipped with custom AMD EPYC 7R32. We can discover here, a less expensive alternative to C5, similar to what they did with M5, R5 and T3. But cost isn’t an appropriated metric if you doesn’t take in account performance, so let’s dive into …
  • AWS and the volume equation
    Despite being one of the the worldwide most used block storage solution, Amazon’s General Purpose SSD is far away from being a general and versatile solution. Unlike other providers selling volumes based on device type and an hourly price per gigabytes, AWS made the choice to create products …
  • Top 10s Cloud Compute debriefing
    We recently release our Top 10 for Cloud Compute North America and Europe. With the help of our automated platform we tested near to 20 cloud providers and selected the most interesting per region. These studies outline performance/price value of Cloud Computes and bound Block Storages. We focus on …
  • New HTTP benchmark tool: pycurlb
    Many tools exist around the globe to get performance data for a HTTP connection but we can consider them as stress tools: They focus on launching an amount of request and output statistical aggregations of latency, throughput and rate. ApacheBenchmark (ab), wrk, httperf, we regularly use these …
  • Do you warm up volumes ?
    Nowadays, most of the cloud vendors provide different solutions to store your data and exploit them from other services. In virtual machine realm, it is often admitted that block storage brings a flexible consumption and local device ensures a low latency. At Cloud Mercato we continuously test and …
  • Observe worldwide network latencies
    Have you ever thought which provider will give the best latency to your users ? Not a theoretical value but an accurate metric representing a real end-to-end connection. At Cloud Mercato our platform allow us to manage cloud components all around the globe. VPS, virtual machines, buckets or CDN, we …
  • dd is not a benchmarking tool
    There is a widely held idea in the Internet that a written snippet will be universally valid to test and produce comparable results from any machine. Said like that, this assertion is globally false but a piece of code, valid in a context, can do a lot of road on the web and easily fool a good …