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# Cache Partitions analyze view (Diagnostic and Historical)

Analyze views provide in-depth drill-down on storage system data for various collection ranges.

Attribute | Description
--- | ---
Name | The cache partition identifier
% WP Utilization | The percent of tracks in cache that are write-pending. Until the data is de-staged to disk, those tracks are not used to serve reads and improve the hit ratio.
% Hit | The Read/Hit and Write/Hit ratio percentage for the cache partition
% Cache Used | The percent of the cache partition that is used.