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OMF with PI Web API

OMF quality map cache

  • Last UpdatedSep 04, 2025
  • 1 minute read

UserQualityMapCacheMemoryLimitMegabytes

The maximum size of the OMF Quality Map 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

UserQualityMapCachePhysicalMemoryLimitPercentage

Percentage of physical system memory that the OMF Quality Map 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

UserQualityMapCachePollingIntervalSeconds

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

Default value: 120 seconds

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

UserQualityMapCacheAbsoluteExpirationTimeSeconds

Sets the expiration time in seconds of cached objects for the OMF Quality Map 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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