Configuring the xConnect service

Version: 10.1

This topic describes the configuration settings that affect the xConnect Search and xConnect Collection services. All configuration files are located in the C:\path\to\xconnect\App_data\Config folder.

Important

The xConnect Collection and Search service does not use all of the configuration settings available in the \App_data\Config sub-folder - for example, the indexer does not use the settings in the SearchIndexer sub-folder.

sc.Xdb.Collection.RepositorySettings.xml

The following settings control how many records are returned to the indexer by the repository and underlying data provider.

File Path: C:\path\to\xconnect\App_data\Config\Sitecore\Collection\sc.Xdb.Collection.RepositorySettings.xml

Setting	Description
`ContactsReturnedFromDataProviderChunkSize`	Determines number of contacts returned by the underlying data provider. Increase to reduce number of queries to the underlying data provider.
`ContactsReturnedChunkSize`	Determines chunk size of contacts returned by the repository. If `ContactsReturnedFromDataProviderChunkSize` is set to 1000 and `ContactsReturnedChunkSize` is set to 100, only 100 contacts are expanded in memory at one time. Increase or decrease to control memory usage independently of query size.
`InteractionsReturnedChunkSize`	Determines chunk size of interactions returned by the repository and underlying data provider. Increase to reduce number of queries to the underlying data provider.
`DeviceProfilesReturnedChunkSize`	Determines chunk size of device profiles returned by the repository and underlying data provider. Increase to reduce number of queries to the underlying data provider.

Note

Depending on how data is distributed across shards, a request for 1000 contacts to the data provider may result in multiple queries across multiple shards.

sc.XConnect.CollectionService.xml

The following settings control how often and how many times an operation is retried. These settings also apply to calculated facets.

File Path: C:\path\to\xconnect\App_data\Config\Sitecore\Collection\sc.XConnect.CollectionService.xml

Setting	Description
`SlotTime`	The slot time used when pausing. xConnect uses an expotential backoff strategy by default, which means that repeated retries are spaced out at random intervals (using `SlotTime` as a base) to avoid congestion. Can be increased if you experience high response times.
`MaxRetries`	Determines the maximum number of times an operation will retry before failing.

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