# OpenAM Administration Guide
18.1. OpenAM Server Settings

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### 18.1.3. Notification Settings

OpenAM has two thread pools used to send notifications to clients. The Service Management Service thread pool can be tuned in OpenAM console under Configuration > Servers and Sites > Default Server Settings > SDK.

Table 18.3. SMS Notification Setting

Property | Default Value | Suggestions
--- | --- | ---
Notification Pool Size | 10 | This is the size of the thread pool used to send notifications. In production this value should be fine unless lots of clients are registering for SMS notifications. (`com.sun.identity.sm.notification.threadpool.size`)

The session service has its own thread pool to send notifications. This is configured under Configuration > Servers and Sites > Default Server Settings > Session.

Table 18.4. Session Service Notification Settings

Property | Default Value | Suggestions
--- | --- | ---
Notification Pool Size | 10 | This is the size of the thread pool used to send notifications. In production this should be around 25-30. (`com.iplanet.am.notification.threadpool.size`)
Notification Thread Pool Threshold | 5000 | This is the maximum number of notifications in the queue waiting to be sent. The default value should be fine in the majority of installations. (`com.iplanet.am.notification.threadpool.threshold`)