The EXM connection pool settings
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You use EXM connection pool settings to improve the performance of delivery output.
You specify the connection pool settings in the Sitecore.EDS.Providers.Sparkpost.config file under the <eds><connectionPoolSettings> section.
| Setting | Default value | Description |
|---|---|---|
maxPoolSize | 10 | Specify the number of connections that can be created in the connection pool. Note The value must be the same or higher than the value specified for the NumberThreads setting in the Sitecore.EmailExperience.ContentManagement.config file. |
maxConnectionRetries | 3 | Specify the maximum number of retries allowed for obtaining a connection from the pool. If a connection is not obtained within the specified number of retries, a connection timeout exception is logged in the log file. |
maxConnectionIdleTime | 00:10:00 | Specify the time from the last connection usage after which a connection is removed from the pool. |
maxConnectionWaitTime | 00:00:30 | Specify the maximum time that the connection pool should spend trying to obtain a specific connection if it failed the previous attempt. If a connection pool exceeds the specified time, a connection timeout exception is logged in the log file. |
delayBetweenConnectionRetries | 00:00:10 | Specify the time that the connection pool should delay between retrying to obtain a connection. |
The default values may not apply to your setup of EXM, so if you see any ConnectionTimeoutExceptions in the log file, you must adjust the connectionPoolSettings.
Use the following calculation method as a guide for specifying the values:
delayBetweenConnectionRetries * maxConnectionRetries = maxConnectionWaitTime
For example, 10 seconds * 3 = 30 seconds.
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