Amazon ECS adds the ability to set a default log driver blocking mode

[Amazon Elastic Container Services](https://aws.amazon.com/ecs/) (Amazon ECS) is introducing a new [account setting](https://docs.aws.amazon.com/AmazonECS/latest/developerguide/ecs-account-settings.html), defaultLogDriverMode, allowing you to define whether tasks in your account use "blocking" or "non-blocking" log driver mode by default, when you do not specify or omit it in your applications’ Task Definitions. A “non-blocking” log driver mode allows your applications to continue operating when log routing destinations become unavailable, therefore increasing availability if getting logs is not critical to your application, whereas “blocking” log driver mode signifies you do not want your applications to continue running if you cannot route logs to their intended destination, e.g. to record business-critical transactions or mandated by regulation. You can override this account setting for each application using the “mode” log configuration parameter in its [Task Definition](https://docs.aws.amazon.com/AmazonECS/latest/developerguide/task%5Fdefinition%5Fparameters.html). The new defaultLogDriverMode Account Setting is enabled in all [AWS Regions](https://aws.amazon.com/about-aws/global-infrastructure/regional-product-services/). Click [here](https://docs.aws.amazon.com/AmazonECS/latest/APIReference/API%5FPutAccountSetting.html) and [here](https://docs.aws.amazon.com/AmazonECS/latest/APIReference/API%5FPutAccountSettingDefault.html) for more details on how to set the new account setting.