As part of our ongoing improvement initiatives, we will be kicking off our storage upgrade programme to give a better, predictable and consistent experience when it comes to cloud storage. We have invested new industry-leading hardware to meet the above and to ensure sustainable performance as we continue to grow.
To this end, on Thursday November 1st, the following disk speeds (tiers): Economy, Standard and High Performance, in AP3 (Singapore) will be transitioned to our new “burstable” storage environment.
In AP3, the change will be implemented in 2 stages:
STAGE 1: Application of storage changes to newly provisioned disks; during expansion of current disks and when disk speed changes are made. This change will be applied on November 1, 2018.
STAGE 2: Application of the storage changes to the existing disks. This change is now planned to be applied in mid-November.
There is no downtime or maintenance associated with this change, hence the enablement will occur outside of the software upgrade window on November 1, 2018 at approximately 10:00 PM Singapore Time (14:00 UTC)
Here is a summary of the impacts that should be expected with the first stage:
For all newly deployed servers, new disks added to existing servers, and changes to existing disks such as disk expansion or a change in disk speed:
1. Disks will be allowed to burst up to the following IOPS limits:
ECONOMY: Greater of 100 IOPS or 0.5 IOPS/GB based on the size of the disk
STANDARD: Greater of 500 IOPS or 3 IOPS/GB based on the size of the disk
HIGH PERFORMANCE: Greater of 800 IOPS or 6 IOPS/GB based on the size of the disk
Example: A 100 GB Disk using Standard Disk Speed will be assigned a 500 IOPS maximum. A 180 GB Disk using Standard Disk Speed will be assigned 540 IOPS maximum (180 GB x 3 IOPS/GB).
2. Disks will be allowed to burst up to a Throughput limit equal to the IOPS maximum x 16 KB. This limit applies in addition to the above IOPS limit.
Example: A 100 GB Disk using Standard Disk Speed will be assigned an 8,000 KB/second Throughput maximum (500 IOPS x 16 GB). A 180 GB Disk using Standard Disk Speed will be assigned an 8,640 KB/second Throughput maximum (540 IOPS x 16 KB)
For more information please refer to the “Introduction to Disk Speeds" section of the following article:
Introduction to Cloud Server Local Storage ("Disks") and Disk Speeds - https://docs.mcp-services.net/x/UwIu
Oct 26, 16:37 UTC