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OMF with PI Web API

OMF type cache

  • Last UpdatedSep 04, 2025
  • 1 minute read

UserTypeCacheMemoryLimitMegabytes

The maximum size of the OMF Type Cache in megabytes. If the cache exceeds the specified limit, cache entries are removed.

Default value: 0 (no limit)

Allowed values: 0 - 2,147,483,647

UserTypeCachePhysicalMemoryLimitPercentage

Percentage of physical system memory that the OMF Type Cache can occupy. Must be an integer value from 0-100. If the cache exceeds the specified limit, cache entries are removed.

Default value: 0 (no limit)

Allowed values: 0 - 2,147,483,647

UserTypeCachePollingIntervalSeconds

Maximum time interval in seconds at which the OMF Type Cache should update its memory statistics to evaluate its limit settings.

Default value: 120 seconds

Allowed values: 0 - 2,147,483,647

UserTypeCacheAbsoluteExpirationTimeSeconds

Sets the expiration time in seconds of cached objects for the OMF Type Cache. After the specified duration, the cache entry is removed.

Default value: 86400 seconds

Allowed values: 0 - 2,147,483,647

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