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# Check Available Resources

You can verify whether HPE IDOL Speech Server has all the necessary resources for a task before you start the task. For example, if you run multiple installations of HPE IDOL Speech Server, you can use the `CheckResources` action to check which one can best process a task``.

    http://host:port/action=CheckResources&Type=task&requiredParams&optionalParams

where:

`host` | is the IP address or name of the machine where HPE IDOL Speech Server is installed.
`port` | is the ACI port by which actions are sent to HPE IDOL Speech Server (set by the `Port` parameter in the HPE IDOL Speech Server configuration file's `[Server]` section).
`task` | is the name of the configuration section that define the options for the task in the HPE IDOL Speech Server tasks configuration file.
`requiredParams` | are the parameters that you must supply for the action you request. (Not all tasks have required parameters.)
`optionalParams` | are the parameters that you can supply for the action you request. (Not all tasks have optional parameters.)

You must specify all parameters that you want use to perform the task. If you intend to run the task across multiple cores (see Run Tasks Across Multiple Cores), you must set the `TaskManagers` parameter.

`TaskManagers` | The number of task managers to split the task across. If you specify more task managers than are available, HPE IDOL Speech Server returns an error.

Note: You do not need to set the `SplitSize` or `Overlap` parameters for the `CheckResources` action.

The `CheckResources` action returns one of the following status messages.

`AVAILABLE_LOADED` | The language pack is already loaded and the server can accept your task.
`AVAILABLE_NOT_LOADED` | The language pack is either already loaded or the task does not use one, so the server can accept your task.
`NOT_AVAILABLE` | The server has either reached the maximum number of tasks it can run in parallel or the maximum number of languages it can load. The task is rejected if submitted.

For example:

    http://localhost:13000/action=CheckResources&Type=WavToText&File=Speech.wav&Out=Text.ctm

This action checks the server resources for a HPE IDOL Speech Server on the local machine using ACI port `13000`. It checks resources for the speech-to-text task defined in the `[WavToText]` section of the HPE IDOL Speech Server tasks configuration file, on the file `Speech.wav`.

Note: If you enabled queuing, the `CheckResources` action is not available.

Note: The results of a `CheckResources` action might not continue to be valid if you subsequently submit new tasks to the server. In addition, `CheckResources` does not consider any pending tasks that might be in the system (that is, tasks that have been submitted using the `AddTask` action, but are not yet fully registered with the task tracker). These tasks are shown as `PENDING` in the `GetStatus` output.

A|fter you submit a task, HPE recommends that you use the `GetStatus` action with the task token to check the status of the task. Do not make any calls to `CheckResources` for subsequent tasks until the task status changes from `PENDING` to `STARTING`, `RUNNING`, `LOADING_LM`, and so on.

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