AF SDK Reference

AFDataCache.MaxCacheEventsPerAttribute Property

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AFDataCache.MaxCacheEventsPerAttribute Property

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Last UpdatedJan 12, 2026
2 minute read

The maximum number of cache events to be kept for each AFAttribute in the cache.

Namespace: OSIsoft.AF.Data
Assembly: OSIsoft.AFSDK (in OSIsoft.AFSDK.dll) Version: 3.2.0.7

Syntax

public int MaxCacheEventsPerAttribute { get; set; }

Public Property MaxCacheEventsPerAttribute As Integer
	Get
	Set

Dim instance As AFDataCache
Dim value As Integer

value = instance.MaxCacheEventsPerAttribute

instance.MaxCacheEventsPerAttribute = value

public:
property int MaxCacheEventsPerAttribute {
	int get ();
	void set (int value);
}

member MaxCacheEventsPerAttribute : int with get, set

Property Value

Type: Int32
The maximum number of cache events to be kept for each AFAttribute in the cache. MaxCacheEventsPerAttributes must be greater than MinCacheEventsPerAttribute. The default value is 1024.

Remarks

CacheTimeSpan, MinCacheEventsPerAttribute and MaxCacheEventsPerAttribute Events more than MaxCacheEventsPerAttribute would be trimmed. Events in excess of MinCacheEventsPerAttribute and CacheTimeSpan are subject to trimming. The trimming properties apply to all AFAttributes in the same AFDataCache.

Version Information

AFSDK

Supported in: 3.1.1, 3.1.0, 3.0.2, 3.0.1, 3.0.0, 2.10.11, 2.10.5, 2.10.0, 2.10, 2.9.5, 2.9, 2.8.5, 2.8, 2.7.5, 2.7, 2.6

AF SDK Reference