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docs/guides/self-hosting/metrics-and-limits/configuring-limits.md
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@ -24,7 +24,7 @@ Limits can be specified that control the number of environments, shares, reserve
Limits can be specified to control the amount of data that can be transferred within a time period. Limits that control the amount of data that can be transferred are called _bandwidth limits_.
zrok limits can be specified _globally_, applying to all users in a service instance. Limit _classes_ can be created to provide different levels of resource allocation. A single limit class can then be _applied_ to multiple accounts, to alter their limit allocation beyond what's configured in the global configuration.
zrok limits can be specified _globally_, applying to all users in a service instance. Limit _classes_ can be created to provide additional levels of resource allocation. Limit classes can then be _applied_ to multiple accounts, to alter their limit allocation beyond what's configured in the global configuration.
## The Global Configuration
@ -72,7 +72,7 @@ These resource counts will be applied to all users in the service instance by de
The `bandwidth` section defines the global bandwidth limits for all users in the service instance.
There are two levels of bandwidth limits that can be specified in the global configuration. The first limit defines a _warning_ threshold where the user will receive an email that they are using increased data transfer amounts and will ultimately be subject to a limit.
There are two levels of bandwidth limits that can be specified in the global configuration. The first limit defines a _warning_ threshold where the user will receive an email that they are using increased data transfer amounts and will ultimately be subject to a limit. If you do not want this warning email to be sent, then configure all of the values to `-1` (unlimited).
The second limit defines the the actual _limit_ threshold, where the limits agent will disabled traffic for the account's shares.
@ -80,6 +80,8 @@ Bandwidth limits can be specified in terms of `tx` (or _transmitted_ data), `rx`
The `period` specifies the time window for the bandwidth limit. See the documentation for [`time.Duration.ParseDuration`](https://pkg.go.dev/time#ParseDuration) for details about the format used for these durations. If the `period` is set to 5 minutes, then the limits agent will monitor the transmitted and receivde traffic for the account for the last 5 minutes, and if the amount of data is greater than either the `warning` or the `limit` threshold, action will be taken.
In the global configuration example above users are allowed to transfer a total of `10485760` bytes in a `5m` period, and they will receive a warning email after they transfer more than `7242880` bytes in a `5m` period.
## Limit Classes
The zrok limits agent includes a concept called _limit classes_. Limit classes can be used to define resource count and bandwidth limits that can be selectively applied to individual accounts in a service instance.