# Container

This page describes the Optimization Pack for the component type (Docker) Container.

## Metrics

| Metric                         | Unit     | Description                                                                                                                |
| ------------------------------ | -------- | -------------------------------------------------------------------------------------------------------------------------- |
| container\_cpu\_util           | CPUs     | The number of CPUs (or fraction of CPUs) allowed for a container                                                           |
| container\_cpu\_used           | percents | CPUs used by the container per second                                                                                      |
| container\_cpu\_throttle\_time | CPUs     | CPUs used by the container per second                                                                                      |
| container\_cpu\_limit          | percent  | The number of CPUs (or fraction of CPUs) allowed for a container                                                           |
| container\_mem\_util\_nocache  | percent  | Percentage of memory used with respect to the limit. Memory used includes all types of memory, including file system cache |
| container\_mem\_util           | percent  | Percentage of working set memory used with respect to the limit                                                            |
| container\_mem\_used           | bytes    | The total amount of memory used by the container. Memory used includes all types of memory, including file system cache    |
| container\_mem\_limit          | bytes    | Memory limit for the container                                                                                             |
| container\_mem\_working\_set   | threads  | Current working set in bytes                                                                                               |
| container\_mem\_limit\_hits    | hits/s   | Number of times memory usage hits memory limit per second                                                                  |

## Parameters

| Parameter        | Type    | Unit      | Default | Domain          | Restart | Description                                              |
| ---------------- | ------- | --------- | ------- | --------------- | ------- | -------------------------------------------------------- |
| limits\_cpu      | integer | CPUs      | 0.7     | `0.1` → `100.0` |         | Limits on the amount of CPU resources usage in CPU units |
| requests\_cpu    | integer | megabytes | 0.7     | `0.1` → `100.0` |         | Limits on the amount of memory resources usage           |
| limits\_memory   | integer | CPUs      | 128     | `64` → `64000`  |         | Amount of CPU resources requests in CPU units            |
| requests\_memory | integer | megabytes | 128     | `64` → `64000`  |         | Amount of memory resources requests                      |


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