Mimir is an open source software project that provides a scalable long-term storage for Prometheus. Some of the core strengths of Mimir include:
Easy to install and maintain: extensive documentation, tutorials, and deployment tooling make it quick to get started. Using its monolithic mode, you can get Mimir up and running with just one binary and no additional dependencies. Once deployed, the best-practice dashboards, alerts, and playbooks packaged with Mimir make it easy to monitor the health of the system.
Massive scalability: You can run horizontally-scalable architecture across multiple machines, resulting in the ability to process orders of magnitude more time series than a single Prometheus instance. Internal testing shows that Mimir handles up to 1 billion active time series.
Global view of metrics: Mimir enables you to run queries that aggregate series from multiple Prometheus instances, giving you a global view of your systems. Its query engine extensively parallelizes query execution, so that even the highest-cardinality queries complete with blazing speed.
Cheap, durable metric storage: Mimir uses object storage for long-term data storage, allowing it to take advantage of this ubiquitous, cost-effective, high-durability technology. It is compatible with multiple object store implementations, including AWS S3, Google Cloud Storage, Azure Blob Storage, OpenStack Swift, as well as any S3-compatible object storage.
High availability: Mimir replicates incoming metrics, ensuring that no data is lost in the event of machine failure. Its horizontally scalable architecture also means that it can be restarted, upgraded, or downgraded with zero downtime, which means no interruptions to metrics ingestion or querying.
Natively multi-tenant: multi-tenant architecture enables you to isolate data and queries from independent teams or business units, making it possible for these groups to share the same cluster. Advanced limits and quality-of-service controls ensure that capacity is shared fairly among tenants.
AWS Marketplace now accepts line of credit payments through the PNC Vendor Finance program. This program is available to select AWS customers in the US, excluding NV, NC, ND, TN, & VT.
Pricing is based on actual usage, with charges varying according to how much you consume. Subscriptions have no end date and may be canceled any time. Alternatively, you can pay upfront for a contract, which typically covers your anticipated usage for the contract duration. Any usage beyond contract will incur additional usage-based costs.
Additional AWS infrastructure costs may apply. Use the AWS Pricing Calculator to estimate your infrastructure costs.
If you are an AWS Free Tier customer with a free plan, you are eligible to subscribe to this offer. You can use free credits to cover the cost of eligible AWS infrastructure. See AWS Free Tier for more details. If you created an AWS account before July 15th, 2025, and qualify for the Legacy AWS Free Tier, Amazon EC2 charges for Micro instances are free for up to 750 hours per month. See Legacy AWS Free Tier for more details.
You pay by the hour for the EC2 instance type you run this software on. Each dimension maps to one AWS instance size, so pricing scales with the compute, memory, storage, and accelerator profile you choose. Smaller general-purpose sizes like t3.micro cost less per hour, while large memory-optimized, storage-optimized, and GPU or accelerator instances such as u7in-32tb.224xlarge or p6-b200.48xlarge cost more. You select the instance that fits your workload, and billing follows actual running hours. There are no upfront commitments or fixed terms in this usage-based model.
Top-of-mind questions for buyers
What does one hourly unit cover for this software?
Each dimension maps to one running EC2 instance of a specific size. You pay for every hour that instance runs the software. The rate reflects that instance's compute, memory, storage, and any accelerators. Running two instances bills two hourly charges, one per instance.
Am I charged when the instance is stopped or paused?
The software charge meters running hours only. A fully stopped instance does not accrue software fees. You may still pay underlying AWS charges, such as storage for the instance volume, but those come from AWS, not this listing's hourly software rate.
Does the metrics data I store affect this listing's hourly charge?
No. This listing bills only per instance-hour for the size you run. Grafana Mimir uses object storage for long-term metric data. Any storage costs come from AWS or another object store, separate from the hourly software charge shown here.
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Vendor refund policy
The instance can be terminated at any time to stop incurring charges.
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An AMI is a virtual image that provides the information required to launch an instance. Amazon EC2 (Elastic Compute Cloud) instances are virtual servers on which you can run your applications and workloads, offering varying combinations of CPU, memory, storage, and networking resources. You can launch as many instances from as many different AMIs as you need.
Version release notes
How experimental PromQL functions are enabled has changed.
The experimental CLI flags -querier.promql-experimental-functions-enabled and -query-frontend.block-promql-experimental-functions and their respective YAML configurations have been removed from query-frontends and queriers.
Experimental PromQL functions are disabled by default. You can enable them using only the enabled_promql_experimental_functions per-tenant setting.
Support for native histograms and out-of-order native histograms is enabled by default in ingesters.
Distributors discard float and histogram samples with duplicated timestamps from each timeseries in a request before the request is forwarded to ingesters. Discarded samples are tracked by cortex_discarded_samples_total metrics with the reason sample_duplicate_timestamp.
Upgrade Steps
You may upgrade your instance using the following command from the shell:
$ dnf update grafana-mimir
Additional details
Usage instructions
Start an instance with 1-Click, or optionally using your cloud provider's web/console
Your product (and all supporting processes) is monitored and restarted via our monit suite. You can verify everything is 'OK' with the following:
$ monit summary
Sensitive Information
mimir contains no cryptographically stored data and does not perform
any encryption at rest.
Local X509 PKI may be utilised to manage network-based TLS. All certificates and keys are stored locally in /etc/pki and it is completely at your discretion to regenerate any of these at any time; the product will transparently operate on any consistent set of configured keys.
mimir ships with openssl, step-cli and other popular tools to facilitate certificate regeneration.
Your system is provisioned with an entitlement to our Yum repositories for software patches and in-place operating system and product upgrades .
You may raise support requests at <https://entitlements.last-bastion.net/support/form> <https://entitlements.last-bastion.net/support/form>. Visit <https://docs.last-bastion.net/support/index.html> <https://docs.last-bastion.net/support/index.html> for more information on how to get help.
AWS infrastructure support
AWS Support is a one-on-one, fast-response support channel that is staffed 24x7x365 with experienced and technical support engineers. The service helps customers of all sizes and technical abilities to successfully utilize the products and features provided by Amazon Web Services.
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