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[vmcloud]: Cloud tiers assumptions docs (#6948)

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Signed-off-by: Artem Navoiev <tenmozes@gmail.com>
Co-authored-by: Artem Navoiev <tenmozes@gmail.com>
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docs/victoriametrics-cloud/quickstart.md
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@ -201,6 +201,9 @@ On the opened screen, choose parameters of your new deployment:
* `Retention` period for stored metrics.
* `Size` of your deployment [based on your needs](https://docs.victoriametrics.com/guides/understand-your-setup-size.html)
Also see the [Tier Parameters and Flag Parameters Configuration](https://docs.victoriametrics.com/victoriametrics-cloud/tiers-parameters/).
This document provides an overview of tier parameters and predefined flag settings for VictoriaMetrics Cloud.
![Create deployment form](create_deployment_form.webp)

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docs/victoriametrics-cloud/tiers-parameters.md Normal file
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---
weight: 5
title: "VictoriaMetrics Cloud: Tier Parameters and Flag Parameters Configuration"
menu:
docs:
parent: "cloud"
weight: 8
---
The tier parameters are derived from testing in typical monitoring environments, ensuring they are optimized for common use cases.
## VictoriaMetrics Cloud Tier Parameters
| **Parameter** | **Maximum Value** | **Description** |
|-------------------------------------------|-----------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| **Data Ingestion Rate** | Per Tier Limits | Number of [time series](https://docs.victoriametrics.com/keyconcepts/#time-series) ingested per second. |
| **Active Time Series Count** | Per Tier Limits | Number of [active time series](https://docs.victoriametrics.com/faq/#what-is-an-active-time-series) that received at least one data point in the last hour. |
| **Read Rate** | Per Tier Limits | Number of datapoints retrieved from the database per second. |
| **New Series Over 24 Hours** (churn rate) | `<= Active Time Series Count` | Number of new series created in 24 hours. High [churn rate](https://docs.victoriametrics.com/faq/#what-is-high-churn-rate) leads to higher resource consumption. |
| **Concurrent Requests per Token** | `<= 600` | Maximum concurrent requests per access token. It is recommended to create separate tokens for different clients and environments. This can be adjusted via [support](mailto:support@victoriametrics.com). |
For a detailed explanation of each parameter, visit the guide on [Understanding Your Setup Size](https://docs.victoriametrics.com/guides/understand-your-setup-size.html).
## Flag Parameters Configuration
| **Flag** | **Default Value** | **Description** |
|-----------------------------------|---------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| **Max Label Value Length** | `<= 1kb` (Default: `4kb`) | Maximum length of label values. Longer values are truncated. Large label values can lead to high RAM consumption. This can be adjusted via [support](mailto:support@victoriametrics.com). |
| **Max Labels per Time Series** | `<= 30` | Maximum number of labels per time series. Excess labels are dropped. Higher values can increase [cardinality](https://docs.victoriametrics.com/keyconcepts/#cardinality) and resource usage. This can be configured in [deployment settings](https://docs.victoriametrics.com/victoriametrics-cloud/quickstart/#modifying-an-existing-deployment). |
## Terms and definitions:
- [Time series](https://docs.victoriametrics.com/keyconcepts/#time-series)
- [Labels](https://docs.victoriametrics.com/keyconcepts/#labels)
- [Active time series](https://docs.victoriametrics.com/faq/#what-is-an-active-time-series)
- [Churn rate](https://docs.victoriametrics.com/faq/#what-is-high-churn-rate)
- [Cardinality](https://docs.victoriametrics.com/keyconcepts/#cardinality)