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Add new ECS_LOG_ configuration variables #2330

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Jan 7, 2020
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Add new ECS_LOG_ configuration variables #2330

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4 changes: 4 additions & 0 deletions README.md
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Expand Up @@ -181,6 +181,10 @@ additional details on each available environment variable.
| `ECS_DISABLE_DOCKER_HEALTH_CHECK` | `false` | Whether to disable the Docker Container health check for the ECS Agent. | `false` | `false` |
| `ECS_NVIDIA_RUNTIME` | nvidia | The Nvidia Runtime to be used to pass Nvidia GPU devices to containers. | nvidia | Not Applicable |
| `ECS_ENABLE_SPOT_INSTANCE_DRAINING` | `true` | Whether to enable Spot Instance draining for the container instance. If true, if the container instance receives a [spot interruption notice](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/spot-interruptions.html), agent will set the instance's status to [DRAINING](https://docs.aws.amazon.com/AmazonECS/latest/developerguide/container-instance-draining.html), which gracefully shuts down and replaces all tasks running on the instance that are part of a service. It is recommended that this be set to `true` when using spot instances. | `false` | `false` |
| `ECS_LOG_ROLLOVER_TYPE` | `size` | `hourly` | Determines whether the container agent logfile will be rotated based on size or hourly. By default, the agent logfile is rotated each hour. | `hourly` | `hourly` |
| `ECS_LOG_OUTPUT_FORMAT` | `logfmt` | `json` | Determines the log output format. When the json format is used, each line in the log would be a structured JSON map. | `logfmt` | `logfmt` |
| `ECS_LOG_MAX_FILE_SIZE_MB` | `10` | When the ECS_LOG_ROLLOVER_TYPE variable is set to size, this variable determines the maximum size (in MB) the log file before it is rotated. If the rollover type is set to hourly then this variable is ignored. | `10` | `10` |
| `ECS_LOG_MAX_ROLL_COUNT` | `24` | Determines the number of rotated log files to keep. Older log files are deleted once this limit is reached. | `24` | `24` |

### Persistence

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