What are AWS Scheduled Reserved Instances 

What are AWS Scheduled Reserved Instances and do they save money?

AWS scheduled reserved instancesLast week, AWS announced the release of their new Scheduled Reserved Instances. These new reserved instances are designed for workloads that recur on a daily, weekly, or monthly schedule, and are purchased for a one-year term. AWS says that Scheduled Reserved Instances will provide a 5-10% savings over On-Demand instances used for this same purpose.

While we always appreciate new ways to save on AWS, there are a few reasons that Scheduled Reserved Instances are unlikely to make a useful addition to your toolbox.

First of all, they have a decidedly limited use case, only for predictably scheduled operations that will go on for at least one year.

Secondly, they are inflexible. Once you set a schedule, you cannot change or override it, and the options to set schedules are limited to daily, weekly, or monthly recurrence on a set duration.

Additionally, as Beth Pariseau pointed in a TechTarget article, additional management overhead is required to manage every additional type of instance that a company leverages.

Note that Scheduled Reserved Instances are also limited by region – only available in US East (Northern Virginia), US West (Oregon), and Europe (Ireland) regions – and by instance type, currently supporting C3, C4, M4, and R3 instance types.

For your recurring workloads, you can run instances only when you need them but maintain flexibility by using ParkMyCloud to schedule on/off times for On-Demand instances.

See the chart below for a full comparison of using Scheduled Reserved Instances vs. using ParkMyCloud.

scheduled reserved instnaces vs ParkMyCloud

Give ParkMyCloud a try for yourself – start seeing savings today.


About Jay Chapel

Jay Chapel is the CEO and co-founder of ParkMyCloud. After spending several years in the cloud management space, Jay saw that there was no simple solution to the problem of wasted cloud spend – which led him to start ParkMyCloud in 2015. Before that, he spent 10+ years with Micromuse and IBM Tivoli, a provider of business infrastructure management software. After an acquisition by IBM, he led the successful sales integration and subsequent growth of the IBM Tivoli/Netcool business in Europe. He also held several regional and worldwide sales roles in Switzerland, the UK and the US. Jay earned both a BA in Finance and an MBA from West Virginia. Those few hours a month that Jay’s not busy with ParkMyCloud’s growth and success, you can find him on the ski slopes, on the soccer field, or on the golf course often accompanied by his three kids.

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