{"id":4590,"date":"2020-06-23T14:12:00","date_gmt":"2020-06-23T12:12:00","guid":{"rendered":"https:\/\/promatis.com\/at\/using-latest-flexible-oci-e3-shape-with-e-business-suite-on-oci\/"},"modified":"2023-11-15T14:37:11","modified_gmt":"2023-11-15T13:37:11","slug":"using-latest-flexible-oci-e3-shape-with-e-business-suite-on-oci","status":"publish","type":"post","link":"https:\/\/promatis-test.de\/at\/en\/using-latest-flexible-oci-e3-shape-with-e-business-suite-on-oci\/","title":{"rendered":"Using latest flexible OCI E3 shape with E-Business Suite on OCI"},"content":{"rendered":"

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Johannes Michler<\/a><\/div>\n

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Senior Vice President<\/strong> \u2013\u00a0Head of Platforms\u00a0&\u00a0Development<\/p>\n

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Recently Oracle announced the availability of a new CPU shape E3. Flex in its Oracle Cloud Infrastructure - see here<\/a>. The announcement promises an increase in performance of around 50% compared to the current Intel CPU (e.g. in VMStandard2.x) at the same or lower cost. Reason enough for me to take a closer look at this in the area of operating the E-Business Suite on such instances.<\/p>\n

First Attempt: Changing an existing instance<\/h2>\n

For a first test I tried to change the shape of an existing (VMStandard2.4) instance to E3. Unfortunately, this failed because the image I used for this instance was too old (3 months old EBS@OCI instance):<\/p>\n

\"\"<\/p>\n

Since it is an image provided by Oracle, it is unfortunately not possible to overwrite\/change it - even if I had patched my Oracle Linux to be compatible with flexible shape. The only workaround I see would be to create a custom image and adjust it to be compatible with the E3.Flex shape.<\/p>\n

Second Approach: Cloud Manager 20.1<\/h2>\n

Oracle recently published Oracle E-Business Suite Cloud Manager 20.1, more precisely 20.1.1.0.1. Unfortunately, even there I am not able to choose E3.Flex shapes for newly created (or restored from Backup) E-Business Suite instances:<\/p>\n

\"\"<\/p>\n

I am working with Product Management\/Development for the Cloud Manager tools to make this available.<\/p>\n

Nevertheless, there is some good news: When creating a new environment with a VM.Standard2.x shape, a current OS image is used that is actually compatible with the E3.Flex-Shapes:<\/p>\n

\"\"<\/p>\n

So after creating the instance (which is still done with the \"old\"\/\"slow\" Intel CPU) you can change the shape via the OCI console (which triggers a reboot of the VM).<\/p>\n

Note: Unfortunately you cannot convert an E2.X VM into the E3.Flex shapes, this gives the following error:<\/p>\n

Requested shape: VM.Standard.E3.Flex belongs to a hardware series that is not compatible with the current shape: VM.Standard.E2.1<\/p>\n

However, now that I have been able to get an E3.Flex instance, I have done some Performance Comparisons using sysbench (synthetic CPU performance) and OraPub Speed Test 3.<\/p>\n

Performance with VMStandard.E2.4<\/h2>\n

As a reference the VMStandard.E2.4 gave me the following orabench performance on a 19c database instance:<\/p>\n

Speed Factor (higher is faster) : 184.655 <----<\/pre>\n
Performance with VMStandard.2.4<\/h2>\n
sysbench<\/h3>\n
With the following parameters:<\/p>\n
[oracle@dbupg9db ~]$ sysbench --test=cpu --threads=8 run<\/pre>\n
I managed to get the following CPU Speed:<\/p>\n
Events per second: 5500.55<\/pre>\n
orabench<\/h3>\n
The orabench value of the VMStandard2 CPU is appx. 40% higher than the E2 instance:<\/p>\n
Speed Factor (higher is faster) : 255,4681 <----<\/pre>\n
VMStandard.E3.Flex (4 Cores, 64GB memory)<\/h2>\n
But now let's have a look at the performance of the brand new E3 CPU.<\/p>\n
orabench<\/h3>\n
The orabench Speed factor is appx. 20% faster than the Intel Xeon CPU<\/p>\n
Speed Factor (higher is faster): 305,3364 <----<\/pre>\n
sysbench<\/h3>\n
The sysbench compares similar; also there we get appx. 20% more performance:<\/p>\n
[oracle@dbupg9db ~]$ sysbench --test=cpu --threads=8 run<\/pre>\n
events per second: 6777.76<\/pre>\n
Pricing<\/h2>\n
It becomes even more interesting when comparing the value per price. Let's take a look at the \"per Cent\" performance with orabench with the 4 benchmarks mentioned above (all tested on 4 core CPUs):<\/p>\n
\"\"<\/p>\n
 <\/p>\n
Summary<\/h2>\n
    \n
  • The new E3 shape has a similar \"performance per price\" as the old E2 shape had. The \"value\" and \"absolute performance\" is much better than the Intel Xeon VMStandard.2 cores.<\/li>\n
  • This makes OCI an even better alternative to AWS in terms of \"performance per price\".<\/li>\n
  • Finally, the higher \"absolute\" performance values are a big benefit when operating e.g. Oracle Databases licensed \"per core\". In that scenario, I have preferred VMStandard2.x over the E2 shapes in the past. But now I can also choose the AMD E3 Epyc CPU.<\/li>\n<\/ul>\n
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